Question 1

The normal white blood cell count is ________ cells per microliter of blood.

Accepted Answer

A) 500 
B) 4,500 
C) 45,000 
D) 5,000,000 
A) 500 
B) 4,500 
C) 45,000 
D) 5,000,000

Question 2

The red blood cells of type AB blood have on their surfaces

Accepted Answer

A) antigens A and B. 
B) antigen A only. 
C) antigen B only. 
D) neither antigens A nor B. 
A) antigens A and B. 
B) antigen A only. 
C) antigen B only. 
D) neither antigens A nor B.

Question 3

What is the difference between serum and plasma?

Accepted Answer

A) Plasma contains calcium; serum does not. 
B) Plasma does not have blood cells; serum does. 
C) Plasma contains fibrinogen; serum does not. 
D) Plasma contains albumin; serum does not. 
A) Plasma contains calcium; serum does not. 
B) Plasma does not have blood cells; serum does. 
C) Plasma contains fibrinogen; serum does not. 
D) Plasma contains albumin; serum does not.

Question 4

The final step in the formation of a blood clot is

Accepted Answer

A) the formation of prothrombin activator. 
B) the conversion of fibrinogen to fibrin by thrombin. 
C) the conversion of prothrombin to thrombin by prothrombin activator. 
D) tissue damage. 
A) the formation of prothrombin activator. 
B) the conversion of fibrinogen to fibrin by thrombin. 
C) the conversion of prothrombin to thrombin by prothrombin activator. 
D) tissue damage.

Question 5

The biconcave cells in blood that lack nuclei when they are mature are the

Accepted Answer

A) white blood cells. 
B) red blood cells. 
C) platelets. 
D) macrophages. 
A) white blood cells. 
B) red blood cells. 
C) platelets. 
D) macrophages.

Question 6

The release of tissue thromboplastin initiates

Accepted Answer

A) the intrinsic clotting mechanism. 
B) the extrinsic clotting mechanism. 
C) platelet plug formation. 
D) hemolysis. 
A) the intrinsic clotting mechanism. 
B) the extrinsic clotting mechanism. 
C) platelet plug formation. 
D) hemolysis.

Question 7

While looking at a sample of blood in a microscope, you see a purple-stained cell that is markedly larger than a red blood cell (about two to three times larger). It has a large kidney-shaped nucleus. What type of blood cell is this?

Accepted Answer

A) A monocyte 
B) An eosinophil 
C) A basophil 
D) A neutrophil 
A) A monocyte 
B) An eosinophil 
C) A basophil 
D) A neutrophil

Question 8

In leukemia,

Accepted Answer

A) the blood has too many immature leukocytes. 
B) the body doesn't produce enough red blood cells. 
C) red blood cells become occupied by parasites. 
D) red blood cells are misshapen and become lodged in capillaries. 
A) the blood has too many immature leukocytes. 
B) the body doesn't produce enough red blood cells. 
C) red blood cells become occupied by parasites. 
D) red blood cells are misshapen and become lodged in capillaries.

Question 9

Leukopenia is a disorder resulting from conditions like HIV and aplastic anemia that causes levels of white blood cells to drop below the normal standard. Which of the following white blood cell counts suggests leukopenia?

Accepted Answer

A) 5,000 WBCs per microliter of blood 
B) 3,000 WBCs per microliter of blood 
C) 3,900 WBCs per microliter of blood 
D) 10,000 WBCs per microliter of blood 
A) 5,000 WBCs per microliter of blood 
B) 3,000 WBCs per microliter of blood 
C) 3,900 WBCs per microliter of blood 
D) 10,000 WBCs per microliter of blood

Question 10

Which of the following are most active as phagocytes?

Accepted Answer

A) Erythrocytes 
B) Neutrophils 
C) Basophils 
D) Eosinophils 
A) Erythrocytes 
B) Neutrophils 
C) Basophils 
D) Eosinophils

Question 11

The formed elements in the blood are

Accepted Answer

A) mostly red blood cells. 
B) mostly white blood cells. 
C) mostly platelets. 
D) about equal numbers of red blood cells, white blood cells, and platelets. 
A) mostly red blood cells. 
B) mostly white blood cells. 
C) mostly platelets. 
D) about equal numbers of red blood cells, white blood cells, and platelets.

The normal white blood cell count is ________ cells per microliter of blood.

The red blood cells of type AB blood have on their surfaces

What is the difference between serum and plasma?

The final step in the formation of a blood clot is

The biconcave cells in blood that lack nuclei when they are mature are the

The release of tissue thromboplastin initiates

While looking at a sample of blood in a microscope, you see a purple-stained cell that is markedly larger than a red blood cell (about two to three times larger). It has a large kidney-shaped nucleus. What type of blood cell is this?

In leukemia,

Leukopenia is a disorder resulting from conditions like HIV and aplastic anemia that causes levels of white blood cells to drop below the normal standard. Which of the following white blood cell counts suggests leukopenia?

Which of the following are most active as phagocytes?

The formed elements in the blood are

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Cardiovascular System

Lymphatic System and Immunity

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Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

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Genetics and Genomics

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Exam 14: Blood

The normal white blood cell count is ________ cells per microliter of blood.

The red blood cells of type AB blood have on their surfaces

What is the difference between serum and plasma?

The final step in the formation of a blood clot is

The biconcave cells in blood that lack nuclei when they are mature are the

The release of tissue thromboplastin initiates

While looking at a sample of blood in a microscope, you see a purple-stained cell that is markedly larger than a red blood cell (about two to three times larger). It has a large kidney-shaped nucleus. What type of blood cell is this?

In leukemia,

Leukopenia is a disorder resulting from conditions like HIV and aplastic anemia that causes levels of white blood cells to drop below the normal standard. Which of the following white blood cell counts suggests leukopenia?

Which of the following are most active as phagocytes?

The formed elements in the blood are

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

Filters