Question 1

Platelets are best described as

Accepted Answer

A)  giant, multinucleated cells. 
B)  immature leukocytes. 
C)  cytoplasmic fragments of cells. 
D)  lymphoid cells. 
A)  giant, multinucleated cells. 
B)  immature leukocytes. 
C)  cytoplasmic fragments of cells. 
D)  lymphoid cells.

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

Diapedesis is

Accepted Answer

A)  the formation of platelets from megakaryocytes. 
B)  filling of red blood cells with hemoglobin. 
C)  movements of white blood cells out of the circulation. 
D)  squeezing of red blood cells through narrow capillaries. 
A)  the formation of platelets from megakaryocytes. 
B)  filling of red blood cells with hemoglobin. 
C)  movements of white blood cells out of the circulation. 
D)  squeezing of red blood cells through narrow capillaries.

Question 4

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 5

Which plasma protein is accurately described?

Accepted Answer

A)  Albumin-blood clot formation 
B)  Gamma globulin-maintaining blood osmotic pressure 
C)  Fibrinogen-transport of lipids and fat-soluble vitamins 
D)  Beta globulins-transport of lipids and fat-soluble vitamins 
A)  Albumin-blood clot formation 
B)  Gamma globulin-maintaining blood osmotic pressure 
C)  Fibrinogen-transport of lipids and fat-soluble vitamins 
D)  Beta globulins-transport of lipids and fat-soluble vitamins

Question 6

The test that determines the percentages of various types of leukocytes in a blood sample is the _____ white blood cell count.

Accepted Answer

The answer of The test that determines the percentages of...

Question 7

Petechiae are a symptom of

Accepted Answer

A)  anemia. 
B)  thrombocytopenia. 
C)  leukemia. 
D)  hemophilia. 
A)  anemia. 
B)  thrombocytopenia. 
C)  leukemia. 
D)  hemophilia.

Question 8

What is the substance in tea that binds iron, reducing the amount absorbed?

Accepted Answer

A)  Ascorbic acid 
B)  Caffeine 
C)  Folic acid 
D)  Tannic acid 
A)  Ascorbic acid 
B)  Caffeine 
C)  Folic acid 
D)  Tannic acid

Question 9

Blood vessel spasms following an injury are stimulated by

Accepted Answer

A)  parasympathetic impulses. 
B)  the formation of a fibrin clot. 
C)  serotonin released from platelets. 
D)  the release of heparin from eosinophils. 
A)  parasympathetic impulses. 
B)  the formation of a fibrin clot. 
C)  serotonin released from platelets. 
D)  the release of heparin from eosinophils.

Question 10

What percentage of the US population is Rh negative?

Accepted Answer

A)  1.5% of Caucasians and 5% of African Americans 
B)  5% of Caucasians and 5% of African Americans 
C)  15% of Caucasians and 5% of African Americans 
D)  25% of the total population 
A)  1.5% of Caucasians and 5% of African Americans 
B)  5% of Caucasians and 5% of African Americans 
C)  15% of Caucasians and 5% of African Americans 
D)  25% of the total population

Question 11

Thrombocytopenia is due to a deficiency of

Accepted Answer

A)  vitamin K. 
B)  platelets. 
C)  leukocytes. 
D)  factor VII. 
A)  vitamin K. 
B)  platelets. 
C)  leukocytes. 
D)  factor VII.

Question 12

The most important action of plasma albumin is

Accepted Answer

A)  acting as antibodies of immunity. 
B)  transporting lipids and fat-soluble vitamins. 
C)  serving as energy sources. 
D)  helping maintain colloid osmotic pressure. 
A)  acting as antibodies of immunity. 
B)  transporting lipids and fat-soluble vitamins. 
C)  serving as energy sources. 
D)  helping maintain colloid osmotic pressure.

Question 13

Plasma contains fibrinogen, serum does not.

Accepted Answer

A) True 
 B)False

Question 14

Cyanosis is caused by an increased blood concentration of

Accepted Answer

A)  deoxyhemoglobin. 
B)  oxyhemoglobin. 
C)  carbon dioxide. 
D)  carbon monoxide. 
A)  deoxyhemoglobin. 
B)  oxyhemoglobin. 
C)  carbon dioxide. 
D)  carbon monoxide.

Question 15

The normal white blood cell count is

Accepted Answer

A)  500-1,000 cells per microliter of blood. 
B)  4,500-10,000 cells per microliter of blood. 
C)  45,000-100,000 cells per microliter of blood. 
D)  5,000,000-10,000,000 cells per microliter of blood. 
A)  500-1,000 cells per microliter of blood. 
B)  4,500-10,000 cells per microliter of blood. 
C)  45,000-100,000 cells per microliter of blood. 
D)  5,000,000-10,000,000 cells per microliter of blood.

Question 16

Vitamin B is important for the production of red blood cells because it is utilized in the synthesis of __________ .

Accepted Answer

The answer of Vitamin B is important for the production...

Question 17

Blood is a type of epithelial tissue.

Accepted Answer

A) True 
 B)False

Question 18

The distribution of ABO blood types among Korean Americans differs markedly from that of Native Americans in that

Accepted Answer

A)  Native Americans have about equal frequency of types O, A, and B, with 10% AB, whereas Korean Americans have mostly type O, with type AB very rare. 
B)  nearly all Korean Americans are blood types A or B. 
C)  nearly all Native Americans are type AB, with very few type O. 
D)  Korean Americans have about equal frequency of types O, A, and B, with 10% AB, whereas Native Americans have mostly type O, with type AB very rare. 
A)  Native Americans have about equal frequency of types O, A, and B, with 10% AB, whereas Korean Americans have mostly type O, with type AB very rare. 
B)  nearly all Korean Americans are blood types A or B. 
C)  nearly all Native Americans are type AB, with very few type O. 
D)  Korean Americans have about equal frequency of types O, A, and B, with 10% AB, whereas Native Americans have mostly type O, with type AB very rare.

Question 19

A red blood cell contains a large nucleus; it is thicker near the center and thin around the rim of the cell.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following usually accounts for the smallest percentage of leukocytes in a blood sample?

Accepted Answer

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

Exam 14: Blood

Platelets are best described as

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

Diapedesis is

Which of the following are most active as phagocytes?

Which plasma protein is accurately described?

The test that determines the percentages of various types of leukocytes in a blood sample is the _____ white blood cell count.

Petechiae are a symptom of

What is the substance in tea that binds iron, reducing the amount absorbed?

Blood vessel spasms following an injury are stimulated by

What percentage of the US population is Rh negative?

Thrombocytopenia is due to a deficiency of

The most important action of plasma albumin is

Plasma contains fibrinogen, serum does not.

Cyanosis is caused by an increased blood concentration of

The normal white blood cell count is

Vitamin B is important for the production of red blood cells because it is utilized in the synthesis of __________ .

Blood is a type of epithelial tissue.

The distribution of ABO blood types among Korean Americans differs markedly from that of Native Americans in that

A red blood cell contains a large nucleus; it is thicker near the center and thin around the rim of the cell.

Which of the following usually accounts for the smallest percentage of leukocytes in a blood sample?

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: Division 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-Based Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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