Quiz 1 Flashcards

1
Q

The antiseptic used when measuring blood alcohol level

A

Benzalkonium chloride

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The appropriate dilution of bleach to be used as disinfectant in the laboratory is

A

1:10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the proper angle of needle insertion for phlebotomy

A

15-30’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which blood specimen additive can inhibit the metabolism of glucose by the cells?

A

Sodium fluoride

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Plastic red-top tabes used to collect blood specimens usually contain

A

Clot activators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the reason why milking the puncture site is discouraged when collecting samples via capillary method? It…

A

Decreases the clotting time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

To what does the ‘gauge of a needle relate?

A

Diameter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Standard precaution involve

A. Behavior that prevents contact with virally infected patients
B. Behavior that prevents direct contact with bodily fluids or contaminated surfaces
C Behavior that prevents contact with urine and sputum
D. Behavior that prevents contact wth terminally ill patients

A

B. Behavior that prevents direct contact with bodily fluids or contaminated surfaces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Blood - to- anticoagulant ratio is most critical for a specimen collected in this tube

A

Light blue top

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Rupture of rbc’S with consequent release of hemoglobin is termed as

A

Hemolysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What substance is contained in a serum separator tube?

A

Thixotropic gel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Hepatitis virus can survive on inanimate objects for of least how many week/s?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The enzyme inhibited by the additive found in the gray top tube

A

Enolase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the reason why glass serum tabes do not require inversions?

A

The glass is pro-clotting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

K2 EDTA is also known as

A

Versene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What component is present in plasma and absent in serum

A

Coagulation protein

17
Q

What additive can be found in an orange-topped collection tube?

A

Thrombin

18
Q

Lithium heparin is a suitable anticoagulant of which test?

A

ABG

19
Q

Which of the following tubes will yield a serum sample?

A. green top
B. Lavender top
C. Red top
D. Light blue top

A

C. Red top

20
Q

What is the method of choice to obtain blood specimen from newborns for newborn screening?

A

Dermal puncture

21
Q

Lavender-stopper tabes are most commonly used to collect

A

Hematology test

22
Q

What is the relationship between the gauge number and the bore size?

A

Inversely

23
Q

What leukocyte are increased in patients who are stressed during blood extraction?

A

Neutrophil

24
Q

What is the purpose of an antiglycolytic agent?

A

It preserves glucose

25
Q

The anticoagulant present in gray top tube

A

Oxalate

26
Q

This is the time for DNA replication where the centromere is also duplicated

A

S phase