Question 1

Secretion of erythropoietin is stimulated by:

Accepted Answer

A)  low blood pressure. 
B)  hypercarbia. 
C)  inflammation. 
D)  hypoxia. 
A)  low blood pressure. 
B)  hypercarbia. 
C)  inflammation. 
D)  hypoxia. D

Question 2

Recycled iron from macrophages is delivered to the bone marrow bound to:

Accepted Answer

A)  ferritin. 
B)  hemoglobin. 
C)  hemosiderin. 
D)  transferrin. 
A)  ferritin. 
B)  hemoglobin. 
C)  hemosiderin. 
D)  transferrin. D

Question 3

A 45-year-old female undergoes splenectomy to remove a tumor. Which of the following is most likely to occur following surgery?

Accepted Answer

A)  Leukocytosis 
B)  Hypoglycemia 
C)  Decreased red blood cell count 
D)  Increased white blood cell count 
A)  Leukocytosis 
B)  Hypoglycemia 
C)  Decreased red blood cell count 
D)  Increased white blood cell count A

Question 4

A group of cells is isolated in the laboratory. The cells 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)  Eosinophils 
A)  Monocyte 
B)  Macrophage 
C)  Lymphocyte 
D)  Eosinophils

Question 5

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

Accepted Answer

A)  macrophages are rapidly dividing. 
B)  edema accumulates within the fibrous capsule. 
C)  microorganisms are accumulating. 
D)  the nodes are not functioning properly. 
A)  macrophages are rapidly dividing. 
B)  edema accumulates within the fibrous capsule. 
C)  microorganisms are accumulating. 
D)  the nodes are not functioning properly.

Question 6

A 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)  Neutrophils 
B)  Eosinophils 
C)  Monocytes 
D)  Lymphocytes 
A)  Neutrophils 
B)  Eosinophils 
C)  Monocytes 
D)  Lymphocytes

Question 7

Monocytes are blood cells that mature (differentiate) into:

Accepted Answer

A)  macrophages. 
B)  neutrophils. 
C)  eosinophils. 
D)  mast cells. 
A)  macrophages. 
B)  neutrophils. 
C)  eosinophils. 
D)  mast cells.

Question 8

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. 
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.

Question 9

A cell that can differentiate into any tissue type is referred to as:

Accepted Answer

A)  hematopoietic. 
B)  pluripotent. 
C)  blastocyst. 
D)  blastomere. 
A)  hematopoietic. 
B)  pluripotent. 
C)  blastocyst. 
D)  blastomere.

Question 10

Plasma proteins synthesized by lymphocytes in the lymph nodes are:

Accepted Answer

A)  globulins. 
B)  albumins. 
C)  clotting factors. 
D)  complement proteins. 
A)  globulins. 
B)  albumins. 
C)  clotting factors. 
D)  complement proteins.

Question 11

The main site of hematopoiesis in the fetus is the:

Accepted Answer

A)  bone marrow. 
B)  liver. 
C)  lymph nodes. 
D)  spleen. 
A)  bone marrow. 
B)  liver. 
C)  lymph nodes. 
D)  spleen.

Question 12

After erythrocytes have circulated for about 120 days, they are removed by macrophages, which are mainly in the:

Accepted Answer

A)  liver. 
B)  spleen. 
C)  appendix. 
D)  bone marrow. 
A)  liver. 
B)  spleen. 
C)  appendix. 
D)  bone marrow.

Question 13

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

Accepted Answer

A)  liver and bone marrow. 
B)  liver and spleen. 
C)  bone marrow. 
D)  spleen and bone marrow. 
A)  liver and bone marrow. 
B)  liver and spleen. 
C)  bone marrow. 
D)  spleen and bone marrow.

Question 14

Which of the following nutritional components is needed for erythropoiesis?

Accepted Answer

A)  Cobalamin 
B)  Vitamin B1 
C)  Vitamin D 
D)  Zinc 
A)  Cobalamin 
B)  Vitamin B1 
C)  Vitamin D 
D)  Zinc

Question 15

A newborn baby is diagnosed with a blood disorder in which her platelet count is low. Which of the following could be the reason?

Accepted Answer

A)  Increased megakaryocytes 
B)  Increased cell division 
C)  Decreased thrombopoietin 
D)  Decreased spleen function 
A)  Increased megakaryocytes 
B)  Increased cell division 
C)  Decreased thrombopoietin 
D)  Decreased spleen function

Question 16

A newborn baby has a clotting disorder that results in her body being unable to produce thrombin. Which of the following phases of platelet degranulation would be impossible?

Accepted Answer

A)  Subendothelial exposure 
B)  Adhesion 
C)  Activation 
D)  Aggregation 
A)  Subendothelial exposure 
B)  Adhesion 
C)  Activation 
D)  Aggregation

Question 17

The most abundant cells in the blood are:

Accepted Answer

A)  leukocytes. 
B)  lymphocytes. 
C)  erythrocytes. 
D)  thrombocytes. 
A)  leukocytes. 
B)  lymphocytes. 
C)  erythrocytes. 
D)  thrombocytes.

Question 18

All of the following properties allow erythrocytes to function as gas carriers except:

Accepted Answer

A)  biconcavity. 
B)  reversible deformability. 
C)  presence of hemoglobin in cytoplasm. 
D)  presence of many mitochondria. 
A)  biconcavity. 
B)  reversible deformability. 
C)  presence of hemoglobin in cytoplasm. 
D)  presence of many mitochondria.

Question 19

Fibrinolysis is mediated by:

Accepted Answer

A)  heparin. 
B)  fibrinogen. 
C)  plasmin. 
D)  albumin. 
A)  heparin. 
B)  fibrinogen. 
C)  plasmin. 
D)  albumin.

Question 20

The predominant phagocyte of early inflammation is the:

Accepted Answer

A)  eosinophil. 
B)  lymphocyte. 
C)  macrophage. 
D)  neutrophil. 
A)  eosinophil. 
B)  lymphocyte. 
C)  macrophage. 
D)  neutrophil.

Exam 19: Structure and Function of the Hematologic System

Secretion of erythropoietin is stimulated by:

Recycled iron from macrophages is delivered to the bone marrow bound to:

A 45-year-old female undergoes splenectomy to remove a tumor. Which of the following is most likely to occur following surgery?

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

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

A blood sample is analyzed in a laboratory. Assuming a normal sample, which type of white blood cell accounts for the highest percentage?

Monocytes are blood cells that mature (differentiate) into:

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

A cell that can differentiate into any tissue type is referred to as:

Plasma proteins synthesized by lymphocytes in the lymph nodes are:

The main site of hematopoiesis in the fetus is the:

After erythrocytes have circulated for about 120 days, they are removed by macrophages, which are mainly in the:

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

Which of the following nutritional components is needed for erythropoiesis?

A newborn baby is diagnosed with a blood disorder in which her platelet count is low. Which of the following could be the reason?

A newborn baby has a clotting disorder that results in her body being unable to produce thrombin. Which of the following phases of platelet degranulation would be impossible?

The most abundant cells in the blood are:

All of the following properties allow erythrocytes to function as gas carriers except:

Fibrinolysis is mediated by:

The predominant phagocyte of early inflammation is the:

Cellular Biology

Genes and Genetic Diseases

Altered Cellular and Tissue Biology

Fluids and Electrolytes, Acids and Bases

Innate Defenses: Inflammation

Adaptive Immunity

Hypersensitivities, Infection, and Immune Deficiencies

Stress and Disease

Biology of Cancer and Tumor Spread

Cancer Epidemiology, Manifestations, and Treatment

Cancer in Children

Structure and Function of the Neurologic System

Pain, Temperature, Sleep, and Sensory Function

Concepts of Neurologic Dysfunction

Alterations of Neurologic Function

Alterations of Neurologic Function in Children

Mechanisms of Hormonal Regulation

Alterations of Hormonal Regulation

Alterations of Hematologic Function

Alterations of Hematologic Function in Children

Structure and Function of the Cardiovascular and Lymphatic Systems

Alterations of Cardiovascular Function

Alterations of Cardiovascular Function in Children

Structure and Function of the Pulmonary System

Alterations of Pulmonary Function

Alterations of Pulmonary Function in Children

Structure and Function of the Renal and Urologic Systems

Alterations of Renal and Urinary Tract Function

Alterations of Renal and Urinary Tract Function in Children

Structure and Function of the Reproductive Systems

Alterations of the Reproductive Systems, Including Sexually Transmitted Infections

Structure and Function of the Digestive System

Alterations of Digestive Function

Alterations of Digestive Function in Children

Structure and Function of the Musculoskeletal System

Alterations of Musculoskeletal Function

Alterations of Musculoskeletal Function in Children

Structure, Function, and Disorders of the Integument

Alterations of the Integument in Children

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