Point of Care Testing & Laboratory Procedures (Module 7)

Question 1

An adult with normal hearing should be to hear tones at which of the following decibels?

Answer 1

25 decibels

Question 2

Which of the following is required when obtaining and transporting a drug screening?

Answer 2

chain of custody

Question 3

Which of the following describes how an abnormal tympanogram appears on a graph when completed?

Answer 3

flat line

Question 4

Which of the following is a normal range for a hemoglobin A1C?

Answer 4

less than 5.7%

Question 5

Which of the following can cause a false positive when obtaining a specimen for fecal occult testing?

Answer 5

consuming Vitamin C and iron supplements

Question 6

How many days prior to skin testing should the patient discontinue antihistamines?

Answer 6

3 days

Question 7

In which of the following phases of quality assurance are instruments maintained and calibrated?

Answer 7

analytical phases

Question 8

Which of the following is considered proper technique to avoid contamination during collection of a urine sample?

Answer 8

avoid touching the inside of the container or lid

Question 9

Which of the following is the amount of time it takes to process a result for a urine pregnancy test?

Answer 9

5 min

Question 10

Which of the following is required to be included on a urine specimen label prior to sending it to the laboratory?

Answer 10

time when the urine is collected

Question 11

Which specimen collection performs tests for substances that are sporadically released into the urine?

Answer 11

24-hour urine

Question 12

Which of the following is the normal range for a total cholesterol?

Answer 12

130 to 200 mg/dL

Question 13

Which of the following should be included when labeling a patient’s specimen?

Answer 13

collector’s initials

Question 14

Ishihara color plates are used to screen for what sensory disorder?

Answer 14

color deficiency

Question 15

Which of the following identifiers should be used to verify the patient before obtaining a specimen for laboratory collection?

Answer 15

name and date of birth

Question 16

Which of the following is an error that would affect the test results in the preanalytical phase (before the specimen is sent to the lab) of quality assurance?

Answer 16

order of entry error

Question 17

Which of the following is the number of successful and measured breathing maneuvers that a patient must complete during spirometry testing?

Answer 17

three

Question 18

Which of the following could cause a specimen to be rejected from the lab?

Answer 18

name on the specimen label does not match the lab requisition

Question 19

Which of the following is the best instruction to give a patient on how to perform a peak flow test?

Answer 19

“Take the deepest breath possible. Seal your lips around the mouthpiece. Blow out as hard and as fast as you can.” 

Question 20

When performing a scratch test for allergen testing, which of the following is the amount of time that must pass before checking for a wheal formation?

Answer 20

15 min

Question 21

quality control (QC)

Answer 21

action is performed to ensure the reliability of test results by detecting and eliminating error.

Question 22

quality assurance (QA)

Answer 22

maintenance of a desired level of quality related to a service or piece of equipment.

Question 23

What are the steps needed for specimen collection?

Answer 23

-collect the specimen at the appropriate time.

-collect the specimen from the site of suspected infection.

-minimize transport time to a reference lab.
Collect the appropriate quantity.

-use the appropriate containers and label them accordingly.

Question 24

fecal occult blood test (FOBT)

Answer 24

lab test used to check stool samples for hidden (occult) blood.

Question 25

random urine

Answer 25

can be collected at any time, used for screening purposes.

PATIENT URINATES IN CLEAN, NONSTERILE CONTAINER

Question 26

first morning specimen

Question 27

clean-catch midstream

Question 28

24-hour sample

Question 29

catheterized collection

Question 30

Which of the following category of tests is most often offered in a laboratory at a provider’s office?

Answer 30

waived

Question 31

Which of the following number of antiseptic wipes will be provided for a female patient when instructing them to obtain a clean catch, midstream urine specimen?

Answer 31

three

Question 32

What are some examples of patient identifiers?

Answer 32

-name
-DOB
-assigned identification number
-phone number
-address

Question 33

What is the most effective means of preventing the spread of infection?

Answer 33

handwashing

Question 34

chain of custody

Answer 34

Everyone who handles the specimen, including the patient being tested, must sign the chain of custody form.

Question 35

The laboratory courier cannot pick up the patient’s urine sample for another 4 hr. Which of the following methods will ensure specimen preservation?

Answer 35

store the urine in the refrigerator