Question 1

An adult patient's blood sample is analyzed in a laboratory.Assuming a normal sample, which type of white blood cell accounts for the highest percentage?

Accepted Answer

A)   Neutrophil
B)   Eosinophil
C)   Basophil
D)   LymphocyteE) None of the above
F) B) and D) A

Question 2

Which of the following nutritional components will the nurse encourage a patient to consume as it is needed for erythropoiesis?

Accepted Answer

A)   Vitamin B12
B)   Vitamin B1
C)   Vitamin D
D)   ZincE) B) and C)
F) A) and D)

Question 3

A nurse is discussing a cell that can differentiate into any tissue type.Which term is the nurse describing?

Accepted Answer

A)   Hematopoietic
B)   Pluripotent
C)   Blastocyst
D)   ProgenitorE) B) and C)
F) A) and B)

Question 4

While planning care for a newborn, the pediatric nurse recalls that the site of hematopoiesis in the fetus is the:

Accepted Answer

A)   bone marrow.
B)   kidney.
C)   lymph nodes.
D)   spleen.E) A) and B)
F) B) and D)

Question 5

The predominant phagocyte of early inflammation is the:

Accepted Answer

A)   eosinophil.
B)   lymphocyte.
C)   macrophage.
D)   neutrophil.E) A) and C)
F) None of the above

Question 6

When a staff member asks how erythrocytes can carry oxygen, the nurse should describe which of the following properties that allow erythrocytes to function as gas carriers? (select all that apply)

Accepted Answer

A)   Biconcavity
B)   Reversible deformability
C)   Undergoes mitotic division
D)   Presence of many mitochondria
E)   Presence of a nucleusF) A) and B)
G) A) and E)

Question 7

The greatest proportion of total body iron is located in the:

Accepted Answer

A)   erythrocytes.
B)   spleen pulp.
C)   bone marrow.
D)   liver tissue.E) B) and C)
F) C) and D)

Question 8

During an infection, lymph nodes enlarge and become tender because:

Accepted Answer

A)   lymphocytes are rapidly dividing.
B)   edema accumulates within the fibrous capsule.
C)   microorganisms are accumulating.
D)   the nodes are not functioning properly.E) A) and B)
F) None of the above

Question 9

A nurse is caring for an elderly patient.Which of the following are true regarding the hematological system and aging? (select all that apply)

Accepted Answer

A)   Total serum iron is decreased.
B)   Total iron-binding capacity is decreased.
C)   Intestinal iron absorption is decreased.
D)   Lymphocyte function is unchanged.
E)   Platelet aggregation is unchanged.F) C) and E)
G) None of the above

Question 10

A group of cells isolated in the laboratory have membrane-bound granules in their cytoplasm, and they show phagocytic activity.Which of the following cells is most similar?

Accepted Answer

A)   Monocyte
B)   Macrophage
C)   Lymphocyte
D)   EosinophilE) B) and D)
F) All of the above

Question 11

Fibrinolysis is mediated by:

Accepted Answer

A)   heparin.
B)   fibrinogen.
C)   plasmin.
D)   albumin.E) None of the above
F) B) and C) C

Question 12

In addition to playing a role in hemostasis, platelets have the ability to:

Accepted Answer

A)   stimulate bone marrow production of erythrocytes.
B)   release biochemical mediators of inflammation.
C)   undergo cell division in response to bleeding.
D)   activate a humoral response.E) All of the above
F) B) and D)

Question 13

Erythropoietin is produced in the:

Accepted Answer

A)   liver.
B)   bone marrow.
C)   kidneys.
D)   spleen.E) A) and C)
F) None of the above

Question 14

After birth, red blood cells are normally made only in the:

Accepted Answer

A)   liver.
B)   spleen.
C)   bone marrow.
D)   kidney.E) A) and C)
F) A) and B)

Question 15

Which cytokines participate in hematopoiesis?

Accepted Answer

A)   Stimulating factors (CSFs) 
B)   Eosinophils
C)   Basophils
D)   NeutrophilsE) B) and C)
F) A) and D)

Question 16

Which of the following assessment findings is most likely to occur following a splenectomy?

Accepted Answer

A)   Leukocytosis
B)   Hypoglycemia
C)   Decreased red blood cell count
D)   Decreased plateletsE) B) and D)
F) None of the above

Question 17

Which condition will cause a patient to secrete erythropoietin?

Accepted Answer

A)   Low blood pressure
B)   Hypercarbia
C)   Inflammation
D)   HypoxiaE) A) and B)
F) B) and C)

Question 18

Which electrolyte will the nurse check to ensure normal platelet functioning?

Accepted Answer

A)   Sodium
B)   Potassium
C)   Magnesium
D)   CalciumE) A) and D)
F) B) and C)

Question 19

While checking lab results, the nurse remembers that the normal leukocyte count is:

Accepted Answer

A)   1000-2000 per cubic millimeter.
B)   5000-10,000 per cubic millimeter.
C)   4.2-6.2 million per cubic millimeter.
D)   1.2-2.2 million per cubic millimeter.E) None of the above
F) C) and D) B

Question 20

Monocytes are blood cells that mature (differentiate) into:

Accepted Answer

A)   macrophages.
B)   neutrophils.
C)   eosinophils.
D)   mast cells.E) B) and C)
F) None of the above

Exam 20: Structure and Function of the Hematologic System

An adult patient's blood sample is analyzed in a laboratory.Assuming a normal sample, which type of white blood cell accounts for the highest percentage?

Correct AnswerverifiedA

Which of the following nutritional components will the nurse encourage a patient to consume as it is needed for erythropoiesis?

Correct AnswerverifiedShow Answer

A nurse is discussing a cell that can differentiate into any tissue type.Which term is the nurse describing?

Correct AnswerverifiedShow Answer

While planning care for a newborn, the pediatric nurse recalls that the site of hematopoiesis in the fetus is the:

Correct AnswerverifiedShow Answer

The predominant phagocyte of early inflammation is the:

Correct AnswerverifiedShow Answer

When a staff member asks how erythrocytes can carry oxygen, the nurse should describe which of the following properties that allow erythrocytes to function as gas carriers? (select all that apply)

Correct AnswerverifiedShow Answer

The greatest proportion of total body iron is located in the:

Correct AnswerverifiedShow Answer

During an infection, lymph nodes enlarge and become tender because:

Correct AnswerverifiedShow Answer

A nurse is caring for an elderly patient.Which of the following are true regarding the hematological system and aging? (select all that apply)

Correct AnswerverifiedShow Answer

A group of cells isolated in the laboratory have membrane-bound granules in their cytoplasm, and they show phagocytic activity.Which of the following cells is most similar?

Correct AnswerverifiedShow Answer

Fibrinolysis is mediated by:

Correct AnswerverifiedC

In addition to playing a role in hemostasis, platelets have the ability to:

Correct AnswerverifiedShow Answer

Erythropoietin is produced in the:

Correct AnswerverifiedShow Answer

After birth, red blood cells are normally made only in the:

Correct AnswerverifiedShow Answer

Which cytokines participate in hematopoiesis?

Correct AnswerverifiedShow Answer

Which of the following assessment findings is most likely to occur following a splenectomy?

Correct AnswerverifiedShow Answer

Which condition will cause a patient to secrete erythropoietin?

Correct AnswerverifiedShow Answer

Which electrolyte will the nurse check to ensure normal platelet functioning?

Correct AnswerverifiedShow Answer

While checking lab results, the nurse remembers that the normal leukocyte count is:

Correct AnswerverifiedB

Monocytes are blood cells that mature (differentiate) into:

Correct AnswerverifiedShow Answer

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A

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C

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B

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