CHAP 16

Question 1

1. If a urine sample for routine urinalysis cannot be delivered to the laboratory within 2 hours, how should the sample be stored?
   a. freeze the sample
   b. reject the sample and ask the patient to
   collect a new one
   c. refrigerate the sample
   d. add a boric acid preservative

Answer 1

c. refrigerate the sample

Question 2

2. What urine test would require a patient to collect a midstream clean-catch sample?
   a. culture and sensitivity
   b. pregnancy test
   c. 24-hour protein
   d. drug test

Answer 2

a. culture and sensitivity

Question 3

3. Which of the following tests would require a patient to collect a 72-hour fecal sample?
   a. fecal ova and parasites
   b. fecal occult blood
   c. fecal fat analysis
   d. fecal culture and sensitivity

Answer 3

c. fecal fat analysis

Question 4

4. All of the following are instructions that a
   patient must follow in the collection of a
   semen sample EXCEPT:
   a. abstain from sexual activity for 3 days but not longer than 5 days
   b. collect in a condom
   c. place in a warm sterile container
   d. record the time of collection

Answer 4

b. collect in a condom

Question 5

5. Areas that should be avoided when collecting a throat culture include all of the following
   EXCEPT:
   a. tonsils
   b. cheeks
   c. tongue
   d. lips

Answer 5

a. tonsils

Question 6

6. What type of sample is collected by inserting a flexible mini-tip culture swab through the nose?
   a. gastric
   b. NP
   c. serous fluid
   d. buccal

Answer 6

b. NP

Question 7

7. Sweat electrolytes are collected to confirm the diagnosis of:
   a. peptic ulcers
   b. RSV
   c. lactose intolerance
   d. cystic fibrosis

Answer 7

d. cystic fibrosis

Question 8

8. Which of the following would disqualify a person in the blood donor selection process?
   a. weight: 220 pounds
   b. hemoglobin: 11.0 g/dL
   c. blood pressure: 160/90 mm Hg
   d. temperature: 98°F

Answer 8

b. hemoglobin: 11.0 g/dL

Question 9

9. CSF samples labeled No. 1, No. 2, and No. 3 are delivered to the laboratory. What section should tube No. 3 be delivered to?
   a. hematology
   b. chemistry
   c. microbiology
   d. serology

Answer 9

a. hematology

Question 10

10. Bone marrow is collected from the:
    a. femur
    b. lumbar vertebrae
    c. radius
    d. iliac crest

Answer 10

d. iliac crest

Question 11

11. Sputum samples are collected to diagnosis:
    a. tuberculosis
    b. endocarditis
    c. strep throat
    d. cystic fibrosis

Answer 11

a. tuberculosis

Question 12

12. Pleural fluid is collected from the:
    a. heart
    b. lymph node
    c. joint
    d. chest

Answer 12

d. chest

Question 13

13. What special handling requirement is necessary for amniotic fluid that is to be tested for hemolytic disease of the newborn?
    a. protected from light
    b. placed in an ice slurry
    c. placed in a warm sterile container
    d. transported via the pneumatic tube system

Answer 13

a. protected from light

Question 14

14. Serum or plasma must be separated from cells within:
    a. 30 minutes from collection
    b. 45 minutes from collection
    c. 60 minutes from collection
    d. 120 minutes from collection

Answer 14

d. 120 minutes from collection

Question 15

15. The phlebotomist would use the LIS to perform all of the following EXCEPT:
    a. generate a requisition
    b. print sample labels
    c. check patient results
    d. collect from correct patient

Answer 15

d. collect from correct patient