ANSWERS
Which of the following actions should a medical assistant take to comply with chain-of-
custody principles for urine drug testing?
A. Ship the specimen to the reference laboratory on the day of collection.
B. Observe the patient pouring the urine from the cup into the specimen container
C. Have the patient sign the forms and labels before specimen collection
D. Provide a physician signature on all labels - Answer-A. Ship the specimen to the
reference laboratory on the day of collection.
What is the normal range for the PR interval on a standard EKG?
A. 0.04 to 0.1 seconds
B. 0.06 to 0.08 seconds
C. 0.12 to 0.2 seconds
D. 1.2 to 2 seconds - Answer-D. 1.2 to 2 seconds
The sinoatrial node is located in the wall of which of the following cardiac chambers?
A. Right Atrium
B. Right Ventricle
C. Left Atrium
D. Left Ventricle - Answer-A. Right Atrium
A medical assistant is speaking with a patient who has mild hearing loss in an
examination room. Which of the following actions should the assistant take?
A. Obtains information from a family member.
B. Speak using extended sentences.
C. Increase the volume of speech
D. Stand in the patient's line of vision - Answer-D. Stand in the patient's line of vision
Which of the following should a medical assistant recognize as a goal of patient-
centered care?
A. To improve the insurance coverage of services
B. To increase the likelihood of hospitalization for chronic disorders
C. To include patients and family in team communication