Certified Medical Assistant MCQ Flashcards

When collecting a urine specimen for culture and sensitivity, which collection method is most appropriate to minimize contamination?

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.

Which of the following is the correct needle gauge for an intramuscular injection in an adult with average muscle mass?

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.

A patient's BMI is calculated as 31. This is classified as:

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.

Which of the following describes an advance directive?

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.

Which of the following is a Schedule II controlled substance?

Answer: Oxycodone (OxyContin)

Oxycodone is a Schedule II controlled substance due to its high potential for abuse and dependence.

The term 'tachycardia' in an adult refers to a heart rate greater than:

Answer: 100 beats per minute

Tachycardia is defined as a resting heart rate exceeding 100 beats per minute in adults.

Informed consent for a surgical procedure must include all of the following EXCEPT:

Answer: The cost of the procedure

Informed consent legally requires disclosure of risks, benefits, and alternatives, but does not require disclosure of cost.