and Verified Answers 2025
✓ 100% Accurate & Verified Questions and Answers
Question 1
A medical assistant discovers a medication dosage error documented on a patient’s chart. What is
the appropriate corrective action?
A) Erase the error completely with correction fluid
B) Draw a single line through the error and write the correct dosage
C) Initial the error and add a note in the margin
D) Create a new chart page and ignore the original entry
✓ Correct Answer: Draw a single line through the error and write the correct dosage
RATIONALE
Documentation errors must be corrected with a single line through the mistake and the correct entry
added, preserving the original record.
Question 2
Which universal claim form is currently required for outpatient medical billing in the United States?
A) UB-04
B) CMS-1500
C) HCFA-1500
D) CMS-1500
✓ Correct Answer: CMS-1500
RATIONALE
The CMS-1500 form is the standard claim form for outpatient services.
,Question 3
When preparing an exam room for a patient with a suspected infectious disease, which action best
ensures standard precautions are met?
A) Place a disposable gown on the examination table
B) Stock the room with gloves, mask, and hand sanitizer
C) Cover all surfaces with a plastic sheet
D) Leave the room empty for 30 minutes before use
✓ Correct Answer: Stock the room with gloves, mask, and hand sanitizer
RATIONALE
Standard precautions require readily available personal protective equipment such as gloves and
masks.
Question 4
Which instrument is used by a medical assistant to accurately measure a patient’s joint range of
motion?
A) Sphygmomanometer
B) Goniometer
C) Thermometer
D) Stadiometer
✓ Correct Answer: Goniometer
RATIONALE
A goniometer is the tool designed to measure joint angles and range of motion.
, Question 5
A patient asks what an ESR test measures. Which response shows correct understanding?
A) It measures the amount of iron in your blood
B) It measures how quickly red blood cells settle in a tube
C) It measures the distance my RBCs have dropped
D) It measures the oxygen-carrying capacity of hemoglobin
✓ Correct Answer: It measures the distance my RBCs have dropped
RATIONALE
Erythrocyte sedimentation rate (ESR) reflects the rate at which red blood cells settle.
Question 6
During ear irrigation, a patient experiences dizziness. Which side effect is most likely?
A) Tinnitus
B) Vertigo
C) Otitis externa
D) Hearing loss
✓ Correct Answer: Vertigo
RATIONALE
Irrigating the ear canal can stimulate the vestibular system, causing vertigo.