NHA: Module 11 - Testing and
Laboratory Procedures
A medical assistant is instructing a patient about collecting stool specimens at home for
occult blood testing. Which of the following statements should the assistant make about
the patient's medications? - correct answer "Discontinue any NSAIDs a week before
the test"
-The assistant should instruct the patient to stop taking NSAIDs a week before the test,
as NSAIDs can cause a false positive result
Which of the following sites should a medical assistant use for the administration of an
intradermal skin test? - correct answer Anterior forearm
- The assistant should perform an intradermal skin test on the patient's forearm or back
A medical assistant is performing a visual acuity test on an adult patient. The patient is
able to read the 20/30 line with both eyes, but misses one letter. Which of the following
results should the assistant document in the patient's medical record? - correct answer
20/30-1 both eyes
- The assistant should use this notation to document the results of the patient's visual
acuity test. The assistant should document what line the patient read, any letters the
patient missed, and which eyes the patient used.
A medical assistant is performing a routine hearing test on a patient. Which of the
following procedures measures a patient's hearing by using air and bone conduction? -
correct answer Tuning fork test
- A tuning fork test measures hearing using air and bone conduction
A medical assistant is assisting a provider with the collection of a stool specimen. The
assistant should identify that which of the following statements about the fecal occult
blood testing process is true? - correct answer The result is positive if a trace of blue
color is detected on the edge of the smear
- The assistant should recognize that the test result is positive if any trace of blue color
is detected on or at the edge of the smear.
A medical assistant is collecting a specimen for testing. When is it appropriate for the
assistant to label the specimen? - correct answer After collecting the specimen
- The assistant should label the specimen immediately after collecting it to avoid
processing errors.
Laboratory Procedures
A medical assistant is instructing a patient about collecting stool specimens at home for
occult blood testing. Which of the following statements should the assistant make about
the patient's medications? - correct answer "Discontinue any NSAIDs a week before
the test"
-The assistant should instruct the patient to stop taking NSAIDs a week before the test,
as NSAIDs can cause a false positive result
Which of the following sites should a medical assistant use for the administration of an
intradermal skin test? - correct answer Anterior forearm
- The assistant should perform an intradermal skin test on the patient's forearm or back
A medical assistant is performing a visual acuity test on an adult patient. The patient is
able to read the 20/30 line with both eyes, but misses one letter. Which of the following
results should the assistant document in the patient's medical record? - correct answer
20/30-1 both eyes
- The assistant should use this notation to document the results of the patient's visual
acuity test. The assistant should document what line the patient read, any letters the
patient missed, and which eyes the patient used.
A medical assistant is performing a routine hearing test on a patient. Which of the
following procedures measures a patient's hearing by using air and bone conduction? -
correct answer Tuning fork test
- A tuning fork test measures hearing using air and bone conduction
A medical assistant is assisting a provider with the collection of a stool specimen. The
assistant should identify that which of the following statements about the fecal occult
blood testing process is true? - correct answer The result is positive if a trace of blue
color is detected on the edge of the smear
- The assistant should recognize that the test result is positive if any trace of blue color
is detected on or at the edge of the smear.
A medical assistant is collecting a specimen for testing. When is it appropriate for the
assistant to label the specimen? - correct answer After collecting the specimen
- The assistant should label the specimen immediately after collecting it to avoid
processing errors.
