NBCMI Certified Medical Interpreter (CMI) Written Exam — Questions and Answers

Question 1: A surgeon diagnoses cholecystitis. Which organ is inflamed?

Gallbladder (Correct answer)
Pancreas
Bile ducts
Liver

Correct answer: Gallbladder

Chole- (bile) + cyst (sac/bladder) + -itis (inflammation) means inflammation of the gallbladder.

Question 2: Which of the following actions would be considered a violation of the professional code of ethics regarding role boundaries for a medical interpreter?

Performing a sight translation of a standard consent form at the provider's request.
Agreeing to drive the patient home after their appointment because they missed their bus. (Correct answer)
Requesting that the provider speak in shorter sentences to ensure accuracy.
Alerting the clinical staff that the patient seems to be in extreme, unaddressed pain.

Correct answer: Agreeing to drive the patient home after their appointment because they missed their bus.

Maintaining professional boundaries means refraining from personal involvement and not taking on duties outside the interpreter's role. Providing transportation is a personal favor that creates a dual relationship, which is a clear violation of role boundaries. The other options fall within the acceptable scope of an interpreter's actions (managing the session, acting as an advocate for patient safety, and performing sight translation).

Question 3: When a patient's family member insists on interpreting for a LEP patient despite a qualified interpreter being available, the healthcare provider should:

Always defer to the family member's offer to save resources
Respect the patient's right to decide who interprets after explaining the risks (Correct answer)
Allow the family member only if they sign a consent form
Require the professional interpreter be used regardless of patient preference

Correct answer: Respect the patient's right to decide who interprets after explaining the risks

The patient has the right to choose their communication method; the provider should explain the risks of using an untrained interpreter and then respect the competent adult patient's informed decision.

Question 4: What is the purpose of a 'Pap smear'?

Screen for cervical cancer by collecting cervical cells for microscopic examination (Correct answer)
Diagnose UTIs
Measure pregnancy hormones
Test for STIs

Correct answer: Screen for cervical cancer by collecting cervical cells for microscopic examination

Pap smears screen for precancerous or cancerous cervical changes, enabling early intervention.

Question 5: During a session, a provider asks a patient if they are following a 'dieta' for their diabetes management. The interpreter knows that in the patient's culture and specific dialect, 'dieta' can refer to a specific, temporary post-partum regimen, not a general diet for a chronic illness. What is the BEST first step for the interpreter?

Explain the cultural nuance of 'dieta' to the provider immediately and suggest an alternative phrasing.
Use the incremental intervention model and ask the provider for clarification on what they mean by 'dieta'.
Alert both parties that you are pausing to clarify a potential linguistic and cultural misunderstanding of a specific term. (Correct answer)
Interpret the word 'diet' directly and wait to see if the patient looks confused.

Correct answer: Alert both parties that you are pausing to clarify a potential linguistic and cultural misunderstanding of a specific term.

Transparency is a key ethical principle. When a term has a significant potential for misunderstanding due to cultural and linguistic differences, the most ethical and effective first step is to alert both parties to the issue. This allows the interpreter to manage the communication flow and clarify the term openly, ensuring both patient and provider share the same understanding before proceeding. This is a form of clarification that prevents a likely miscommunication.

Question 6: Under what circumstances may an interpreter advocate for a patient?

Whenever they feel care is poor
When health, well-being, or dignity is at risk and no one else is addressing the concern (Correct answer)
Never
Only when the patient explicitly asks

Correct answer: When health, well-being, or dignity is at risk and no one else is addressing the concern

Patient advocacy is appropriate when health, safety, or dignity is at risk and not being addressed through normal communication.

Question 7: A medical interpreter is assigned to a patient they know from their community. The interpreter is aware of personal information about the patient that is not clinically relevant but could be embarrassing. Which ethical principle is most critical for the interpreter to uphold in this situation?

Accuracy
Confidentiality (Correct answer)
Advocacy
Professionalism

Correct answer: Confidentiality

Confidentiality is paramount. The interpreter must treat all information learned during the performance of their duties as confidential. This includes not disclosing any information, whether learned inside or outside the interpreting session, to anyone outside the direct treatment team. This maintains patient privacy and trust.

Question 8: What is the interpreter's role when witnessing potential child or elder abuse?

Report directly to law enforcement
Only report if the patient asks
Not the interpreter's concern
Follow mandatory reporting requirements applicable in their jurisdiction (Correct answer)

Correct answer: Follow mandatory reporting requirements applicable in their jurisdiction

In most jurisdictions, interpreters are mandatory reporters and must follow applicable reporting requirements.

Question 9: A lab report mentions a low erythrocyte count. What type of cell is this?

White blood cell
Plasma cell
Red blood cell (Correct answer)
Platelet

Correct answer: Red blood cell

Erythro- means red and -cyte means cell, so an erythrocyte is a red blood cell.

Question 10: What does 'PRN' mean on a medication order?

As needed (Correct answer)
At bedtime
Before meals
Twice daily

Correct answer: As needed

PRN stands for 'pro re nata,' Latin for 'as needed.'

Question 11: Which technique helps interpreters maintain accuracy when encountering unfamiliar medical terminology?

Skip the term and continue
Ask the speaker to spell or clarify the term (Correct answer)
Substitute a general term
End the session

Correct answer: Ask the speaker to spell or clarify the term

When encountering unfamiliar terminology, professional interpreters should transparently request clarification from the speaker rather than guessing or omitting information.

Question 12: What is the interpreter's responsibility during informed consent?

Decide whether the patient should consent
Ensure the patient signs quickly
Accurately interpret all information so the patient can make an informed decision (Correct answer)
Explain the procedure in own words

Correct answer: Accurately interpret all information so the patient can make an informed decision

The interpreter must ensure complete and accurate interpretation of all consent elements.

Question 13: A patient offers the interpreter a $50 gift card as thanks after a long hospitalization. According to professional ethics, the interpreter should:

Accept it and split it with the care team
Courteously decline gifts beyond token value, following employer policy (Correct answer)
Accept it only if the patient insists twice
Accept it since refusing would be culturally offensive

Correct answer: Courteously decline gifts beyond token value, following employer policy

Interpreters should avoid accepting gifts or gratuities that could create a conflict of interest or appearance of bias.

Question 14: Which of the following scenarios BEST illustrates an interpreter appropriately acting as a cultural broker?

Telling a physician that the patient's family will likely not approve of the surgical procedure.
Advising a patient that a recommended treatment is against their likely religious beliefs.
Recommending a specific herbal remedy to the patient that is common in their shared culture.
Explaining to a pharmacist that a patient is fasting for a religious holiday, which may impact their medication schedule, after the patient expresses concern. (Correct answer)

Correct answer: Explaining to a pharmacist that a patient is fasting for a religious holiday, which may impact their medication schedule, after the patient expresses concern.

Acting as a cultural broker is appropriate when a cultural practice directly impacts health and treatment, and the patient has indicated a concern. In this case, the patient has already expressed a concern that is rooted in a cultural/religious practice (fasting). The interpreter bridges the cultural gap by explaining the relevant practice to the provider so that the provider can make a clinically appropriate decision regarding medication timing. The other options involve making assumptions, giving advice, or overstepping professional boundaries.

Question 15: Simon is determined to buy a new Jaguar even if it would cost him an arm and a leg.

Be very expensive (Correct answer)
Make him argue with someone
Cause him to be paralyzed
Terminate him from his job

Correct answer: Be very expensive

The phrase "cost him an arm and a leg" is an idiom that means something is very expensive. In this context, it suggests that Simon is willing to pay a high price for a new Jaguar, indicating that the correct answer is "be very expensive."

Question 16: A patient is referred to a nephrologist. Which organ system does this specialist primarily treat?

The skin
The heart and blood vessels
The kidneys (Correct answer)
The nervous system

Correct answer: The kidneys

Nephrology deals with kidney function and disease, such as chronic kidney disease, dialysis and electrolyte disorders. The root 'nephr-' means kidney.

Question 17: A urologist explains that a patient has nephrolithiasis. What condition is this?

Gallstones
Kidney failure
Kidney infection
Kidney stones (Correct answer)

Correct answer: Kidney stones

Nephr- (kidney) + lith (stone) + -iasis (condition) means kidney stones.

Question 18: What is osteogenic?

Fracture of a bone
Originating in the muscle
Bone spur
Originating in the bone (Correct answer)

Correct answer: Originating in the bone

Osteogenic means originating in the bone. The term is commonly used in the context of cells or processes associated with bone formation or development. For example, osteogenic cells are those involved in the production of bone tissue. The term is derived from the Greek words "osteon," meaning bone, and "genesis," meaning origin or creation. It is used in medical and anatomical contexts to describe things related to bones or bone formation.

Question 19: An interpreter overhears staff discussing a celebrity patient in the hallway and later tells a friend. Which ethical principle is breached?

Advocacy
Confidentiality (Correct answer)
Transparency
Impartiality

Correct answer: Confidentiality

Any information learned in the course of interpreting work, even incidentally, must be kept confidential.

Question 20: How does linguistic interference impact the quality of medical interpretation?

It has no measurable effect
It only affects written translation
It causes structural or lexical patterns from one language to incorrectly influence the other (Correct answer)
It improves fluency by blending languages

Correct answer: It causes structural or lexical patterns from one language to incorrectly influence the other

Linguistic interference occurs when patterns from one language bleed into another, potentially causing grammatical errors or meaning distortions.

Question 21: Which principle is violated when an interpreter softens a provider's blunt prognosis to spare the patient's feelings?

Professional development
Respect for privacy
Cultural awareness
Accuracy and completeness (Correct answer)

Correct answer: Accuracy and completeness

Interpreters must convey the full meaning and tone of messages without adding, omitting, or softening.

Question 22: An interpreter notices that a provider is standing very close to a patient from a culture that values more personal space, and the patient appears visibly uncomfortable, shifting away. Which of the following is the most subtle and appropriate intervention?

Interrupt the session and tell the provider they are standing too close to the patient.
Say nothing, as it is not the interpreter's role to manage non-verbal communication.
Take a small step back themselves, subtly repositioning the triangle of communication to create more space between the provider and patient. (Correct answer)
Tell the patient that American doctors often stand close and they should not be alarmed.

Correct answer: Take a small step back themselves, subtly repositioning the triangle of communication to create more space between the provider and patient.

This situation calls for a subtle, non-verbal intervention that respects the flow of communication. By repositioning themselves, the interpreter can often influence the positioning of the other parties without having to interrupt or explicitly point out the cultural difference, which could cause embarrassment. This action falls within the interpreter's role of managing the communication environment to ensure it is effective and comfortable for all parties, demonstrating high cultural awareness and situational judgment.

Question 23: Which federal law specifically prohibits healthcare providers who receive federal funding from discriminating against individuals based on national origin, which includes denial of language access services?

The Rehabilitation Act of 1973
Title VI of the Civil Rights Act of 1964 (Correct answer)
The Patient Protection and Affordable Care Act
The Emergency Medical Treatment Act (EMTALA)

Correct answer: Title VI of the Civil Rights Act of 1964

Title VI of the Civil Rights Act of 1964 prohibits discrimination based on national origin by recipients of federal funding, which courts have interpreted to require meaningful access for limited English proficient individuals.

Question 24: What is hemiplegia?

Paralysis of the arms
Paralysis of the legs
Paralysis of one side of the body (Correct answer)
Left-sided weakness

Correct answer: Paralysis of one side of the body

Hemiplegia refers to paralysis of one side of the body. It can affect either the right or left side and typically involves the arms and legs on the same side. Hemiplegia is often caused by damage to the motor cortex of the brain or the nerves connecting the brain to the affected side of the body. This condition can result from various factors such as stroke, traumatic brain injury, or certain neurological disorders. It differs from monoplegia (paralysis of one limb), paraplegia (paralysis of both lower limbs), and quadriplegia (paralysis of all four limbs).

Question 25: How should you handle side conversations between family members during the encounter?

Ignore all side conversations
Determine relevance: interpret relevant ones and note to provider that a conversation occurred (Correct answer)
Tell family to stop talking
Interpret every word of every conversation

Correct answer: Determine relevance: interpret relevant ones and note to provider that a conversation occurred

Exercise judgment about relevance, interpreting medically significant content and noting conversations to the provider.

Question 26: The patella is the anatomical term for which structure?

Shoulder blade
Heel bone
Kneecap (Correct answer)
Elbow joint

Correct answer: Kneecap

The patella is the small, flat, triangular bone located at the front of the knee joint, commonly called the kneecap.

Question 27: Which part of the brain controls balance and coordination?

Cerebellum (Correct answer)
Thalamus
Medulla oblongata
Cerebrum

Correct answer: Cerebellum

The cerebellum is located at the back of the brain and is responsible for coordinating voluntary movements, balance, and fine motor control.

Question 28: Under HIPAA, what constitutes Protected Health Information (PHI)?

Any individually identifiable health information including name, address, dates, and treatment information (Correct answer)
Only information the interpreter writes down
Only electronic medical records
Only the patient's full name

Correct answer: Any individually identifiable health information including name, address, dates, and treatment information

PHI includes any individually identifiable health information in any form -- oral, written, or electronic.

Question 29: How does accuracy apply when a patient makes offensive statements?

Interpret accurately and completely regardless of content (Correct answer)
Soften the statements
Substitute polite language
Refuse to interpret offensive content

Correct answer: Interpret accurately and completely regardless of content

Accuracy requires interpreting all statements faithfully, including offensive content.

Question 30: What is the purpose of post-session debriefing?

Provide additional medical advice
Bill for extra time
Process emotional reactions, identify learning opportunities, and address session issues (Correct answer)
Gossip about cases

Correct answer: Process emotional reactions, identify learning opportunities, and address session issues

Debriefing allows processing emotional content, reflecting on performance, and addressing vicarious trauma.

Question 31: The combining form 'nephro-' relates to which organ?

Kidney (Correct answer)
Lung
Liver
Brain

Correct answer: Kidney

'Nephro-' refers to the kidney, from Greek 'nephros.'

Question 32: A patient uses traditional herbal remedies alongside prescribed medication. What is the interpreter's responsibility?

Accurately interpret the disclosure so the provider can assess interactions (Correct answer)
Recommend specific herbal remedies
Tell the patient to stop
Don't mention it

Correct answer: Accurately interpret the disclosure so the provider can assess interactions

The interpreter must accurately convey all health-related information so the provider can make informed clinical decisions.

Question 33: What does 'laparoscopic surgery' involve?

Large abdominal incisions only
Minimally invasive surgery through small incisions using camera and instruments, with less pain and faster recovery (Correct answer)
Non-surgical external massage
Surgery with lasers through the mouth

Correct answer: Minimally invasive surgery through small incisions using camera and instruments, with less pain and faster recovery

Laparoscopic surgery uses small incisions, a camera, and specialized instruments, resulting in less trauma and faster recovery.

Question 34: Jeremy is the head honcho of the new car company.

Endorser
Top boss (Correct answer)
Role model
First client

Correct answer: Top boss

The term "head honcho" is often used to refer to the person in charge or the top boss of a company. In this context, Jeremy is described as the head honcho of the new car company, indicating that he holds a high-ranking position and has significant authority and decision-making power within the organization. Therefore, the correct answer is "top boss."

Question 35: What is 'dialysis' and when is it required?

Physical therapy for joints
Artificially filtering waste and fluid from blood when kidneys can no longer function adequately (Correct answer)
IV medication delivery
Surgery to repair blood vessels

Correct answer: Artificially filtering waste and fluid from blood when kidneys can no longer function adequately

Dialysis artificially performs kidney filtering when kidneys have failed or are severely impaired.

Question 36: What is the primary purpose of register switching in medical interpreting?

To match the language level of the speaker being interpreted (Correct answer)
To use the highest register at all times
To simplify all medical terms for patients
To impress the medical staff with vocabulary

Correct answer: To match the language level of the speaker being interpreted

Register switching allows the interpreter to match the language level of whoever is speaking, ensuring accurate communication between providers using technical language and patients using everyday language.

Question 37: Ostensibly confused

Presumably
Superficially
Truly (Correct answer)
Possibly

Correct answer: Truly

The word "ostensibly" means seemingly or apparently, so if someone is ostensibly confused, it means they appear to be confused but may not actually be. The word "truly" means genuinely or really, so if someone is truly confused, it means they are genuinely confused without any doubt. Therefore, "truly" is the correct answer as it provides the opposite meaning to "ostensibly confused".

Question 38: 'Meninges' refers to protective membranes surrounding which organ?

Lungs
Heart
Kidneys
Brain and spinal cord (Correct answer)

Correct answer: Brain and spinal cord

The meninges are three membranes (dura mater, arachnoid mater, pia mater) protecting the brain and spinal cord.

Question 39: After an interpreting session, a medical interpreter is in the hospital cafeteria and is approached by a friend who is a nurse in a different department. The nurse asks, 'I saw you with Mr. Smith. Is his cancer back?' How must the interpreter respond to be compliant with HIPAA?

Say 'I don't know' even if the interpreter knows the answer.
Suggest the nurse look up the patient's information in the hospital's electronic health record system.
Confirm the diagnosis but ask the nurse to keep it confidential.
State, 'I cannot discuss any patient information due to confidentiality laws.' (Correct answer)

Correct answer: State, 'I cannot discuss any patient information due to confidentiality laws.'

HIPAA's Privacy Rule strictly prohibits discussing patient information with anyone not directly involved in the patient's care, even other healthcare professionals. Disclosing PHI in a public setting is a clear violation. The only compliant response is to refuse to share any information by citing confidentiality rules. Acknowledging the person is a patient or discussing their condition is a breach of privacy.

Question 40: After a difficult session involving a child's death, the interpreter feels emotionally overwhelmed. What is the professional step consistent with the standards?

Seek support through debriefing with a supervisor or a confidential support program, without revealing identifying details (Correct answer)
Keep it bottled up because it's part of the job
Post a general post on social media to get support
Talk about the case in detail with friends to release the tension

Correct answer: Seek support through debriefing with a supervisor or a confidential support program, without revealing identifying details

Self-care is part of professionalism, but it must be done without breaching patient confidentiality.

Question 41: What is 'angioplasty'?

Removing a brain blood clot
Stopping stomach bleeding
A cholesterol blood test
Widening narrowed blood vessels using a balloon catheter, often with stent placement (Correct answer)

Correct answer: Widening narrowed blood vessels using a balloon catheter, often with stent placement

Angioplasty threads a catheter with balloon to a narrowed artery, inflates to restore blood flow, usually with stent placement.

Question 42: During an oncology appointment, the physician says the cancer has 'metastasized.' What does this mean?

The tumor is benign
The cancer has spread from its original site to other parts of the body (Correct answer)
The tumor has shrunk after treatment
The cancer is in remission

Correct answer: The cancer has spread from its original site to other parts of the body

Metastasis is when cancer spreads from the primary tumor to distant tissues or organs. The interpreter must render this accurately, without softening or adding to it.

Question 43: The provider uses highly technical language the patient may not understand. What strategy should the interpreter use?

Only interpret parts the patient will understand
Tell the patient to look it up later
Interpret accurately, then alert the provider the patient may need simpler explanations (Correct answer)
Simplify without telling the provider

Correct answer: Interpret accurately, then alert the provider the patient may need simpler explanations

Interpret accurately first, then flag potential comprehension issues for the provider to address.

Question 44: Which of the following is a minimally invasive procedure that uses a small camera inserted through a tiny incision to diagnose and treat problems inside a joint?

Arthrocentesis
Myelogram
Arthroscopy (Correct answer)
Laparoscopy

Correct answer: Arthroscopy

Arthroscopy involves inserting an arthroscope, a thin tube with a camera, into a joint to visualize and treat conditions. Arthrocentesis is the aspiration of fluid from a joint. Laparoscopy is a similar procedure but for the abdominal cavity. A myelogram is an imaging test of the spinal canal.

Question 45: How should an interpreter handle idiomatic expressions with no direct equivalent in the target language?

Ask the patient to explain first
Omit the expression entirely
Interpret the idiom word-for-word
Convey the intended meaning using equivalent expressions or explanations (Correct answer)

Correct answer: Convey the intended meaning using equivalent expressions or explanations

When idioms lack direct equivalents, interpreters should convey the intended meaning rather than translating literally.

Question 46: When an interpreter must clarify a cultural misunderstanding, the recommended practice is to:

Explain the issue only to the provider in private
Change the provider's words to fit the patient's culture
Inform all parties that they are stepping out of the interpreting role and why (Correct answer)
Ignore it since culture is outside the interpreter's role

Correct answer: Inform all parties that they are stepping out of the interpreting role and why

Transparency requires that any interpreter intervention be made known to all parties in the encounter.

Question 47: What is 'chemotherapy' and how does it work?

A special anti-cancer diet
Surgical tumor removal
Systemic drugs killing rapidly dividing cells, targeting cancer but also affecting some normal cells (Correct answer)
Radiation targeting cancer

Correct answer: Systemic drugs killing rapidly dividing cells, targeting cancer but also affecting some normal cells

Chemotherapy uses cytotoxic drugs targeting rapidly dividing cells throughout the body.

Question 48: The concept of 'patient-centered care' requires that interpreters:

Intervene when patient choices seem medically inadvisable
Prioritize the provider's efficiency over patient preferences
Support communication that centers the patient's values, needs, and preferences (Correct answer)
Ensure the patient agrees with the provider's recommended treatment

Correct answer: Support communication that centers the patient's values, needs, and preferences

Patient-centered care means the patient's values, cultural context, and preferences guide the healthcare interaction; interpreters support this by ensuring those preferences are accurately communicated.

Question 49: What responsibility exists when overhearing PHI outside an assignment?

Only matters in a hospital
Maintain the same confidentiality standards as during an assignment (Correct answer)
Report to the patient's interpreter
Discuss freely since not on assignment

Correct answer: Maintain the same confidentiality standards as during an assignment

Confidentiality extends beyond active assignments to all PHI encountered in healthcare settings.

Question 50: Alex was in a hurry so he wasn’t able to grab a bite before going to the office.

Brush his teeth
Get something to eat (Correct answer)
Bite someone
Go to the dentist

Correct answer: Get something to eat

The given correct answer is "get something to eat". This answer is supported by the statement in the question that Alex was in a hurry and wasn't able to grab a bite before going to the office. This implies that he needed to eat something but didn't have the time to do so.

Question 51: We are encouraging Maggie to audition for the musical play and not hide her light under a bushel.

Conceal or obscure her talents (Correct answer)
Hide a candle inside a box
Stay inside the house
Have no sense of responsibility

Correct answer: Conceal or obscure her talents

The phrase "hide her light under a bushel" is an idiom that means to conceal or obscure one's talents or abilities. In this context, the statement is encouraging Maggie to audition for the musical play and not to hide her talents. Therefore, the correct answer is "conceal or obscure her talents."

Question 52: Rodel is planning to enter law school because he wants to tread in the footsteps of his father.

Walk closely behind
Follow the example of (Correct answer)
Avoid the mistakes of.
Surpass the accomplishment of

Correct answer: Follow the example of

The correct answer is "follow the example of". This means that Rodel wants to imitate or emulate his father's actions and choices, possibly because he admires his father's achievements or believes that his father's path in law school will lead to success.

NBCMI Certified Medical Interpreter (CMI) Written Exam

The NBCMI CMI written exam certifies medical interpreters on ethics, cultural competence, medical terminology, interpreting standards, and healthcare regulations.

Questions

75 min

Time Limit

75%

To Pass

Checking for saved progress...

Exam Rules

You can skip questions and return to them later
Flag questions for review before submitting
No feedback shown until you submit the entire exam
Unanswered questions count as wrong — answer everything
10 pretest questions are mixed in and don't affect your score
Timer auto-submits when time runs out
Your progress is auto-saved every 30 seconds

These practice questions were written with AI tools. They are not real exam questions. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

certifiedmedicalinterpreters.org — Eligibility, fees, test dates, time limit, renewal, score validity, passing score, retake policy, score release, exam format · verified Oct 2026
prometric.com — Test delivery · verified Oct 2026