1.3 Specimen Collection, Handling, and Preservation

Question 1

Preferred specimen for routine urinalysis?

Answer 1

First morning collected using midstream clean catch

Question 2

What is the recommended volume for preferred specimen?

Answer 2

10-15mL

Question 3

The container for specimen collection of routine urinalysis should have a capacity of?

Answer 3

50mL

Question 4

Labeling for Routine urinalysis on specimen?

Answer 4

Must be attach to the body of the container, consist of FULL NAME, DATE AND TIME

Question 5

If the urine specimen is standing for more than 2 hours, it is acceptable

T or F

Answer 5

F

Question 6

Rejection Criteria for Urine in RU:

• Unlabeled
• Mislabeled
• Contam
• Insuffiecient
• Improper transport
• Improper preservative

T or F

Answer 6

T

Question 7

Preservation Techniques:

In Refrigeration, Bacteriostatic for ____ hrs, Maintains acid pH up to ____ hrs ; does not interfere with routine test but may cause precipitation of amorphous phosphate and urates

Answer 7

24 hrs

8hrs

Question 8

Preservation Techniques:

Does not interfere with routine tests; cause odor change

a. Refrigeration
b. Phenol
c. Toluene
d. Thymol

Answer 8

b

Question 9

Preservation Techniques:

Preserves glucose and sediments well; interferes with acid precipitation test

a. Refrigeration
b. Phenol
c. Toluene
d. Thymol

Answer 9

d

Question 10

Preservation Techniques:

Does not interfere with routine tests; floats on surface and clings to pipettes

a. Refrigeration
b. Phenol
c. Toluene
d. Thymol

Answer 10

c

Question 11

Preservation Techniques:

Good preservative for drug analysis

a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative

Answer 11

b

Question 12

Preservation Techniques:

Excellent sediment preservative; preservative for addis count

a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative

Answer 12

a

Question 13

Preservation Techniques:

Preserves protein and formed elements well

a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative

Answer 13

c

Question 14

Preservation Techniques:

Preserves cellular elements; for cytology studies

a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative

Answer 14

d

Question 15

Preservation Techniques:

Interfere with Reagent strip test for glucose, blood, leukocyte esterase

a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative

Answer 15

a and b

Question 16

Preservation Techniques:

Interferes with drug and hormone analysis

a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative

Answer 16

c

Question 17

Preservation Techniques:

Commercial fixative for cytology studies

a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative

Answer 17

d

Question 18

Collection kits:

No preservative; refrigerate with 2 hours

a. Yellow UA plus tube
b. Light gray and Gray C & S
c. Cherry red/yellow tube

Answer 18

a

Question 19

Collection kits:

Contains sodium propionate, ethyl paraben and chlorhexidine

a. Yellow UA plus tube
b. Light gray and Gray C & S
c. Cherry red/yellow tube

Answer 19

c

Question 20

Collection kits:

Contains boric acid, sodium borate, and sodium formate

a. Yellow UA plus tube
b. Light gray and Gray C & S
c. Cherry red/yellow tube

Answer 20

b

Question 21

Collection kits:

Prevents bacterial growth and metabolism

a. Yellow UA plus tube
b. Light gray and Gray C & S
c. Cherry red/yellow tube

Answer 21

b

Question 22

In light gray and gray C&S tube, This prevents bacterial and metabolism for _____ hrs at ____ C, Keeps pH at about _____

Answer 22

48 hours

Room temp

6.0

Question 23

Cherry red/yellow tube, the sepecimen is stable for ____ hrs at ____C

Answer 23

72 hours

Room Temp