7-2 Exercises for Lesson 7

1. For self-protection and to prevent the spread of disease, you should

__________________________and _____________________________

when collecting specimens for laboratory analysis.

2. A throat culture is done to ____________________________________________

____________________________ that may be causing a throat disorder.

3. A full culture and sensitivity test takes ________________________________.

4. The supplies and equipment required to obtain a sample for throat culture are:

a. ______________________________________________.

b. ______________________________________________.

c. ______________________________________________.

d. ______________________________________________.

5. Which of the following is not a correct step in collecting a sample for throat culture.

a. Illuminate the back of the throat.

b. Swab inflamed and purulent sites in the tonsillar area.

c. Swab the tongue and cheeks before placing the cotton-tipped applicator into the culture tube.

d. Label the culture tube with the patient's name, SSAN, and ward number.

6. A sputum specimen should be collected_________________________________.

7. Supplies and equipment required to collect a sputum specimen are:

a. ______________________________________________.

b. ______________________________________________.

c. ______________________________________________.

d. ______________________________________________.

8. A sputum specimen is treated with caution because it is considered


9. The most common examination for which a stool specimen is collected is the


10. The hormone HCG can be detected in the urine and blood of a


11. After collecting a sputum specimen, you should record in the Nurses Notes:

a. ______________________________________________.

b. ______________________________________________.

c. ______________________________________________.

d. ______________________________________________.

12. ________________ or _______________________ may be done at the nursing

station to test a stool specimen for occult blood.

13. Urine should be assessed first for its physical appearance. Freshly voided urine is

___________________ and _____________________ in color.

14. When urine stands, decomposition from bacterial activity gives it an

___________________________ odor.

15. The most common method of obtaining urine from adults is

________________________________ collection.

16. Supplies and equipment required for a clean-catch urine collection are:

a. ______________________________________________.

b. ______________________________________________.

c. ______________________________________________.

d. ______________________________________________.

17. A _______________________ urine collection always begins with an empty

bladder so that none of the urine collected is "left over" from previous hours.

18. A large, clean bottle and refrigerated storage area is used for a

_________________________urine collection.

19. A ___________________ is done to identify a disease-causing organism,

especially in patients who have an elevated temperature for an unknown reason.

20. A sterile 20 cc syringe, three sterile 20 gauge needles, betadine solution, a

tourniquet and a Band-aidŽ are required to collect a specimen for


Solutions to Exercises for Lesson

1. Wear gloves; wash hands carefully. (para 2-1)

2. Isolate and identify any pathogens that may be causing a throat disorder.

(para 2-2)

3. Several days. (para 2-2)

4. The following in any order.

Sterile cotton-tipped applicator or culturette.

Tongue depressor.

Laboratory request form.

Flashlight. (paras 2-3a--d)

5. c (para 2-4a-e)

6. Early in the morning. (para 2-5)

7. The following in any order.

Sterile container with tight fitting lid.

Box of tissues.


Lab request form (SF 553). (paras 2-6a--d)

8. Highly contaminated. (para 2-7d)

9. Ova and parasites test. (para 2-8)

10. Pregnant woman. (para 2-15)

11. The following in any order.

The amount of sputum.

Consistency of sputum.

Color of sputum.

Time and date collected. (para 2-7f)

12. Guaiac; HemOccult test. (para 2-8)

13. Transparent; light amber. (para 2-12a)

14. Ammonia-like. (para 2-12b)

15. Midstream (clean-catch). (para 2-13)

16. The following in any order.

Sterile specimen cup.

Zephiran, a soap solution, or antiseptic towelettes.

Cotton balls.

Lab request form. (para-2-13a(1)--(4))

17. 24-hour. (para 2-14)

18. 24-hour. (para 2-14a)

19. Blood culture. (para 2-16)

20. Blood culture. (paras 2-17a-i)

End of Lesson 7

Go to Lesson 8

Go to Table of Contents