Deck 18: Hematology

Question 1

What is the normal range for a platelet count for an adult (in platelets per cubic millimeter of blood)?

A) 5000 to 10,000
B) 12 to 16
C) 180,000 to 300,000
D) 150,000 to 400,000

Answer 1

150,000 to 400,000

Question 2

Which of the following red blood cell indices measures the average size of a single red blood cell?

A) MCV
B) MCH
C) MCHC
D) RDW

Answer 2

MCV

Question 3

When using a microhematocrit centrifuge, the hematocrit test results should be read at the

A) Top of the red cell column
B) Bottom of the red cell column
C) Top of the buffy coat
D) Top of the plasma column

Answer 3

Top of the red cell column

Question 4

The movement of leukocytes through the pores of the capillaries is known as

A) Leukocytosis
B) Phagocytosis
C) Flagellation
D) Diapedesis

Question 5

Mrs. Nelson has a white blood cell count of 14,500. This is considered to be

A) Within the reference range
B) Above the reference range
C) Below the reference range
D) An inaccurate test result

Question 6

Mr. Johnson has a hematocrit reading of 60. This is considered to be

A) Increased
B) Decreased
C) Normal
D) Invalid

Question 7

The plasma functions in

A) Transporting electrolytes needed by the cells
B) Transporting nutrients to the tissues
C) Picking up wastes from the tissues
D) Transporting antibodies, enzymes, and hormones
E) All of the above

Question 8

Pus consists of all of the following except

A) Dead leukocytes
B) Erythrocytes
C) Dead bacteria
D) Dead tissue cells

Question 9

A mature erythrocyte

A) Has a biconcave shape and contains a nucleus
B) Has a round shape and contains a multilobed nucleus
C) Has a convex shape and does not contain a nucleus
D) Has a biconcave shape and does not contain a nucleus

Question 10

In an adult, red blood cells are formed in the red bone marrow of the

A) Ribs
B) Sternum
C) Skull
D) Ends of the long bones of the limbs
E) All of the above

Question 11

How many pints of blood does the average adult contain?

A) 4 to 6 pints
B) 8 to 10 pints
C) 10 to 12 pints
D) 15 to 20 pints

Question 12

Which of the following results in leukopenia?

A) Appendicitis
B) Chickenpox
C) Chemotherapy
D) Rheumatic fever

Question 13

Leukocytes do their work in the

A) Circulatory system
B) Tissues
C) Lymphatic system
D) Central nervous system

Question 14

What is the average life span of a red blood cell?

A) 1 week
B) 30 days
C) 120 days
D) 6 months

Question 15

Which of the following tests is not included in a CBC?

A) Differential white blood cell count
B) Hemoglobin
C) Hematocrit
D) Prothrombin time
E) Red and white blood cell counts

Question 16

A low hemoglobin reading may occur with all of the following except

A) Anemia
B) Polycythemia
C) Leukemia
D) Severe hemorrhaging

Question 17

What is the normal range for a red blood cell count for a woman (in cells per cubic millimeter of blood)?

A) 3 to 4 million
B) 4 to 5.5 million
C) 4.5 to 6.2 million
D) 5 to 6 million

Question 18

The function of hemoglobin is to

A) Defend the body against infection
B) Transport oxygen in the body
C) Assist in blood clotting
D) Transport electrolytes in the body

Question 19

Mr. Peterson has a hemoglobin reading of 16. This is considered to be

A) Within the reference range
B) Above the reference range
C) Below the reference range
D) An invalid result

Question 20

An abnormal increase in the number of leukocytes is known as

A) Lymphocytosis
B) Leukopenia
C) Leukocytosis
D) Hyperleukia

Question 21

The primary function of a neutrophil is to

A) Engulf pathogens through phagocytosis
B) Act as a scavenger to clean up debris
C) Produce antibodies
D) Transport carbon dioxide

Question 22

The results of a differential white blood cell count indicate there are no basophils. This is considered to be

A) Below the reference range
B) Within the reference range
C) Above the reference range
D) Invalid

Question 23

Match each word part meaning with its correct word part.
Below, deficient

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 24

Match each word part meaning with its correct word part.
Color

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 25

What is the PT/INR result of a healthy individual with a normal clotting ability?

A) 10 to 20 seconds
B) 0.8 to 1.2
C) 1 to 2
D) 2.5 to 3.5

Question 26

An increase in eosinophils often occurs

A) With an acute infection
B) With congestive heart failure
C) With allergic conditions
D) With chemotherapy

Question 27

Which of the following white blood cells has a light-staining nucleus that is often masked by the presence of large dark-staining granules?

A) Neutrophil
B) Basophil
C) Lymphocyte
D) Monocyte
E) Eosinophil

Question 28

An increase in lymphocytes usually occurs

A) With an asthma attack
B) With iron-deficiency anemia
C) During an invasion by parasites
D) With infectious mononucleosis

Question 29

Which of the following is not a granular leukocyte?

A) Neutrophil
B) Eosinophil
C) Basophil
D) Monocyte

Question 30

The nucleus of a neutrophil generally contains

A) Three to five lobes
B) Six to eight lobes
C) Fine granules
D) No lobes

Question 31

Which of the following white blood cells has granules in the cytoplasm that stain bright reddish orange?

A) Neutrophil
B) Basophil
C) Lymphocyte
D) Monocyte
E) Eosinophil

Question 32

What is the function of warfarin?

A) To inhibit the formation of blood clots
B) To prevent atrial fibrillation
C) To encourage blood clotting
D) To speed up production of red blood cells

Question 33

An immature form of a neutrophil is known as a

A) Plasma cell
B) Mast cell
C) Band
D) Seg

Question 34

The results of a differential white blood cell count indicate that there are 40 neutrophils. This is considered to be

A) Below the reference range
B) Within the reference range
C) Above the reference range
D) Invalid

Question 35

Which of the following red blood cell indices measures the average concentration of hemoglobin within a single red blood cell?

A) MCV
B) MCH
C) MCHC
D) RDW

Question 36

Which of the following is the largest white blood cell?

A) Neutrophil
B) Basophil
C) Lymphocyte
D) Monocyte
E) Eosinophil

Question 37

An increase in neutrophils occurs during

A) An acute infection
B) Polycythemia
C) Bone marrow damage
D) A chronic infection

Question 38

What is the most common cause of microcytic anemia?

A) A lack of iron in the diet
B) A lack of vitamin B₁₂ in the body
C) Kidney disease
D) Bone cancer

Question 39

How often should a patient on warfarin therapy have a PT/INR test performed?

A) Once each week
B) Every 2 to 4 weeks
C) Every 2 months
D) Every 6 months

Question 40

Which of the following tubes may occur if the PT/INR blood tube is not filled to the exhaustion of the vacuum?

A) Hemolysis of the blood specimen
B) Clotting of the blood specimen
C) Inaccurate test results
D) Contamination of the blood specimen

Question 41

Match each word part meaning with its correct word part.
Cell

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 42

Match each word part meaning with its correct word part.
Unequal, dissimilar

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 43

Match each word part meaning with its correct word part.
Abnormal condition

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 44

Match each word part meaning with its correct word part.
White

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 45

Match each word part meaning with its correct word part.
Eat, swallow

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 46

Match each word part meaning with its correct word part.
Abnormally large

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 47

Match each word part meaning with its correct word part.
Breakdown

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 48

Match each word part meaning with its correct word part.
Small

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 49

Match each word part meaning with its correct word part.
Abnormal reduction in number

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o

Question 50

Match each word part meaning with its correct word part.
Blood

A)anis/o
B)chrom/o
C)cyt/o
D)hem/o
E)hypo-
F)leuk/o
G)-lysis
H)macr/o
I)micro-
J)-osis
K)-penia
L)phag/o