Blood

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Question 1
Free
Multiple Choice

Plasma is closest in composition to

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A

urine.

B

isotonic saline solution.

C

sterile water.

D

CSF.

E

interstitial fluid.

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Question 2
Free
Multiple Choice

The percent fraction of formed elements relative to whole blood is the

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A

viscosity.

B

specific gravity.

C

packed volume.

D

hematocrit.

E

differential cell count.

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Question 3
Free
Multiple Choice

Which of the following statements about blood is false?

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A

Blood contains buffers that control pH.

B

The normal pH of blood is 6.8 to 7.0.

C

Blood is more viscous than water.

D

Blood is about 55 percent plasma.

E

Cells in blood comprise the formed elements.

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Question 4
Free
Multiple Choice

The combination of plasma and formed elements is called

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A

serum.

B

lymph.

C

whole blood.

D

extracellular fluid.

E

packed blood.

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Question 5
Free
Multiple Choice

Whole blood for testing in a clinical laboratory is usually collected from

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A

the heart.

B

a superficial artery.

C

a superficial vein.

D

a capillary.

E

an arteriole.

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Question 6
Multiple Choice

Consider the following results from a blood lab test. Which value is most likely abnormal?

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A
RBCs-5.2 million/µl
B
platelets-280,000/µl
C
leukocytes-8600/µl
D
hemoglobin-10.7 g/100 ml
E
hematocrit-44 percent
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Question 7
Multiple Choice

Each of the following is a characteristic of whole blood, except a

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A
temperature of approximately 38 degrees Celsius.
B
viscosity about the same as water.
C
pH of 7.4.
D
built-in system for clotting.
E
red color from hemoglobin.
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Question 8
Multiple Choice

The total volume of blood in the body of a 76-kg man is approximately ________ liters.

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A
10
B
6 to 8
C
5.3
D
4.4
E
3.8
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Question 9
Multiple Choice

The most abundant component of plasma is

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A
ions.
B
proteins.
C
water.
D
gases.
E
nutrients.
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Question 10
Multiple Choice

A person who has a low blood volume is said to be

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A
hypovolemic.
B
hypervolemic.
C
normovolemic.
D
isovolemic.
E
antivolemic.
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Question 11
Multiple Choice

The chief difference between plasma and interstitial fluid involves the concentration of

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A
water.
B
electrolytes.
C
nitrogen wastes.
D
proteins.
E
glucose.
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Question 12
Multiple Choice

A typical adult hematocrit is

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A
85.
B
75.
C
65.
D
45.
E
25.
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Question 13
Multiple Choice

Which of the following is not one of the formed elements of blood?

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A
RBCs
B
platelets
C
antibodies
D
lymphocytes
E
basophils
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Question 14
Multiple Choice

Plasma composes about ________ percent of whole blood and water composes ________ percent of the plasmavolume.

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A
55; 92
B
92; 7
C
92; 55
D
45; 55
E
50; 50
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Question 15
Multiple Choice

A hematocrit provides information on

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A
blood type.
B
clotting factors.
C
formed elements abundance.
D
plasma composition.
E
sedimentation rate.
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Question 16
Multiple Choice

You are caring for an adult patient who weighs 48 kg. What would her approximate blood volume be?

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A
6.6 L
B
6.0 L
C
5.6 L
D
4.8 L
E
3.8 L
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Question 17
Multiple Choice

Approximately 45 percent of blood volume is composed of the

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A
clotting factors.
B
formed elements.
C
leukocytes.
D
plasma.
E
antibodies.
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Question 18
Multiple Choice

Blood volume represents about ________ percent of a person's body weight.

Choose correct answer/s
A
7
B
15
C
2
D
25
E
42
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Question 19
Multiple Choice

Thyroid-binding globulin is an example of which kind of plasma protein?

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A
metalloprotein
B
steroid-binding
C
hormone-binding
D
apolipoprotein
E
transport albumin
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Question 20
Multiple Choice

Transferrin is an example of which kind of plasma protein?

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A
metalloprotein
B
steroid-binding protein
C
hormone-binding protein
D
apolipoprotein
E
transport albumin
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