CMA Certified Medical Assistant MCQ 4 — Questions and Answers
Question 1: When collecting a urine specimen for culture and sensitivity, which collection method is most appropriate to minimize contamination?
- First morning void into a regular cup
- Midstream clean-catch into a sterile container (Correct answer)
- Random sample collected via catheter bag
- 24-hour urine collection
Correct answer: Midstream clean-catch into a sterile container
A midstream clean-catch specimen reduces contamination from urethral flora, making it ideal for culture and sensitivity.
Question 2: Which of the following is the correct needle gauge for an intramuscular injection in an adult with average muscle mass?
- 25-27 gauge, 3/8 inch
- 22-25 gauge, 5/8 inch
- 21-23 gauge, 1-1.5 inch (Correct answer)
- 18-20 gauge, 2 inch
Correct answer: 21-23 gauge, 1-1.5 inch
IM injections in adults typically use a 21-23 gauge needle that is 1 to 1.5 inches long to reach muscle tissue.
Question 3: A patient's BMI is calculated as 31. This is classified as:
- Normal weight (18.5-24.9)
- Overweight (25.0-29.9)
- Obese Class I (30.0-34.9) (Correct answer)
- Obese Class II (35.0-39.9)
Correct answer: Obese Class I (30.0-34.9)
A BMI of 30.0-34.9 falls within Obese Class I according to the CDC/WHO classification.
Question 4: Which of the following describes an advance directive?
- A court order authorizing involuntary treatment
- A legal document expressing a patient's healthcare wishes if incapacitated (Correct answer)
- A provider's order limiting resuscitation attempts
- An insurance pre-authorization for a procedure
Correct answer: A legal document expressing a patient's healthcare wishes if incapacitated
An advance directive (e.g., living will or healthcare proxy) documents a patient's end-of-life wishes when they cannot speak for themselves.
Question 5: Which of the following is a Schedule II controlled substance?
- Alprazolam (Xanax)
- Oxycodone (OxyContin) (Correct answer)
- Tramadol (Ultram)
- Zolpidem (Ambien)
Correct answer: Oxycodone (OxyContin)
Oxycodone is a Schedule II controlled substance due to its high potential for abuse and dependence.
Question 6: The term 'tachycardia' in an adult refers to a heart rate greater than:
- 60 beats per minute
- 80 beats per minute
- 100 beats per minute (Correct answer)
- 120 beats per minute
Correct answer: 100 beats per minute
Tachycardia is defined as a resting heart rate exceeding 100 beats per minute in adults.
Question 7: Informed consent for a surgical procedure must include all of the following EXCEPT:
- The risks of the procedure
- The expected benefits
- The cost of the procedure (Correct answer)
- Available alternatives
Correct answer: The cost of the procedure
Informed consent legally requires disclosure of risks, benefits, and alternatives, but does not require disclosure of cost.
CMA Certified Medical Assistant MCQ 4
When collecting a urine specimen for culture and sensitivity, which collection method is most appropriate to minimize contamination?