Question 1

In aplastic anemia,

Accepted Answer

A)  There is insufficient hemoglobin formation due to iron deficiency. 
B)  There is an acute loss of blood. 
C)  Destruction of the bone marrow has occurred due to toxic chemicals or radiation. 
D)  The stomach secretes inadequate intrinsic factor, which is essential for intestinal absorption of vitamin B12. 
E)  There is increased fragility of the erythrocyte cell membrane. 
A)  There is insufficient hemoglobin formation due to iron deficiency. 
B)  There is an acute loss of blood. 
C)  Destruction of the bone marrow has occurred due to toxic chemicals or radiation. 
D)  The stomach secretes inadequate intrinsic factor, which is essential for intestinal absorption of vitamin B12. 
E)  There is increased fragility of the erythrocyte cell membrane.

Question 2

What form of polycythemia occurs when an individual lives in a high altitude environment?

Accepted Answer

A)  primary 
B)  secondary 
C)  tertiary 
D)  relative 
E)  none of these 
A)  primary 
B)  secondary 
C)  tertiary 
D)  relative 
E)  none of these

Question 3

Which of these conditions would increase the rate of erythropoiesis?

Accepted Answer

A)  high altitudes 
B)  increased physical activity 
C)  loss of blood 
D)  increased hormone secretion from kidneys 
E)  all of these 
A)  high altitudes 
B)  increased physical activity 
C)  loss of blood 
D)  increased hormone secretion from kidneys 
E)  all of these

Question 4

The amount of blood in the human body is about ____ liters.

Accepted Answer

A)  2 
B)  5 
C)  10 
D)  12 
E)  15 
A)  2 
B)  5 
C)  10 
D)  12 
E)  15

Question 5

Plasmin

Accepted Answer

A)  disposes of fibrin 
B)  inhibits red blood cell production 
C)  is a cofactor in blood clotting 
D)  stimulates fibrin production 
E)  disposes of fibrin and inhibits red blood cell production 
A)  disposes of fibrin 
B)  inhibits red blood cell production 
C)  is a cofactor in blood clotting 
D)  stimulates fibrin production 
E)  disposes of fibrin and inhibits red blood cell production

Question 6

White blood cells

Accepted Answer

A)  are the most abundant type of blood cell 
B)  do not have nuclei 
C)  are actually only cell fragments 
D)  defend the body against foreign invasion 
E)  are found only in the blood 
A)  are the most abundant type of blood cell 
B)  do not have nuclei 
C)  are actually only cell fragments 
D)  defend the body against foreign invasion 
E)  are found only in the blood

Question 7

What are the different types and functions of plasma proteins, and where are they made?

Accepted Answer

There are three major groups of plasma p

Question 8

An increase in the circulating number of ____ is associated with parasite infestations.

Accepted Answer

A)  neutrophils 
B)  eosinophils 
C)  basophils 
D)  lymphocytes 
E)  monocytes 
A)  neutrophils 
B)  eosinophils 
C)  basophils 
D)  lymphocytes 
E)  monocytes

Question 9

Since fibrinogen is always present in the blood but the blood does not clot, ____ must normally be absent.

Accepted Answer

A)  prothrombin 
B)  thrombin 
C)  calcium 
D)  red blood cells 
E)  platelets 
A)  prothrombin 
B)  thrombin 
C)  calcium 
D)  red blood cells 
E)  platelets

Question 10

Serum is identical in composition to plasma in that both of them contain all of the components of blood except for the blood cells.

Accepted Answer

A) True 
 B)False

Question 11

If the hematocrit is 42 percent, then 58 percent of the whole blood is comprised of plasma.

Accepted Answer

A) True 
 B)False

Question 12

Antibodies are gamma globulins produced by B lymphocytes.

Accepted Answer

A) True 
 B)False

Question 13

Pernicious anemia occurs when the bone marrow is destroyed by drugs or radiation.

Accepted Answer

A) True 
 B)False

Question 14

Some leukocytes are formed from megakaryocytes.

Accepted Answer

A) True 
 B)False

Question 15

Which type of anemia is caused by a genetic abnormality?

Accepted Answer

A)  pernicious 
B)  hemorrhagic 
C)  sickle-cell 
D)  nutritional 
E)  iron-deficient 
A)  pernicious 
B)  hemorrhagic 
C)  sickle-cell 
D)  nutritional 
E)  iron-deficient

Question 16

What advantages does the biconcavity of the erythrocyte impart on the cell?

Accepted Answer

A)  It increases the overall surface area. 
B)  It increases the flexibility of the cell. 
C)  It prevents toxins from entering the cell. 
D)  All of these. 
E)  None of these. 
A)  It increases the overall surface area. 
B)  It increases the flexibility of the cell. 
C)  It prevents toxins from entering the cell. 
D)  All of these. 
E)  None of these.

Question 17

Only Rh-negative individuals can produce anti-Rh antibodies.

Accepted Answer

A) True 
 B)False

Question 18

Which statement is incorrect?

Accepted Answer

A)  Plasma proteins are responsible for the blood colloid osmotic pressure. 
B)  Plasma proteins provide a source of readily available amino acids to be utilized by the tissue cells for the synthesis of new tissue proteins. 
C)  Antibodies are gamma globulins important in the body's defense mechanism. 
D)  Plasma proteins play a role in buffering changes in pH in the body fluids. 
E)  The presence of plasma proteins in the blood is the primary factor responsible for preventing excessive loss of plasma from the capillaries into the interstitial fluid. 
A)  Plasma proteins are responsible for the blood colloid osmotic pressure. 
B)  Plasma proteins provide a source of readily available amino acids to be utilized by the tissue cells for the synthesis of new tissue proteins. 
C)  Antibodies are gamma globulins important in the body's defense mechanism. 
D)  Plasma proteins play a role in buffering changes in pH in the body fluids. 
E)  The presence of plasma proteins in the blood is the primary factor responsible for preventing excessive loss of plasma from the capillaries into the interstitial fluid.

Question 19

If the hematocrit is 40, then the volume occupied by the

Accepted Answer

A)  red blood cells is 60 percent of the total blood volume 
B)  white blood cells is 40 percent of the total blood volume 
C)  red blood cells is 40 percent of the total blood volume 
D)  plasma and other cellular elements is 40 percent of the total blood volume 
E)  red blood cells is 40 percent of the total blood volume, and by the white blood cells is 40 percent of the total blood volume 
A)  red blood cells is 60 percent of the total blood volume 
B)  white blood cells is 40 percent of the total blood volume 
C)  red blood cells is 40 percent of the total blood volume 
D)  plasma and other cellular elements is 40 percent of the total blood volume 
E)  red blood cells is 40 percent of the total blood volume, and by the white blood cells is 40 percent of the total blood volume

Question 20

Complete each of the following statments.
Undifferentiated stem cells in the bone marrow that divide continuously and differentiate to give rise to each of the types of blood cells are said to be ____________________.

Accepted Answer

The answer of Complete each of the following statments.
Undifferentiated stem...

Exam 11: The Blood

In aplastic anemia,

What form of polycythemia occurs when an individual lives in a high altitude environment?

Which of these conditions would increase the rate of erythropoiesis?

The amount of blood in the human body is about ____ liters.

Plasmin

White blood cells

What are the different types and functions of plasma proteins, and where are they made?

An increase in the circulating number of ____ is associated with parasite infestations.

Since fibrinogen is always present in the blood but the blood does not clot, ____ must normally be absent.

Serum is identical in composition to plasma in that both of them contain all of the components of blood except for the blood cells.

If the hematocrit is 42 percent, then 58 percent of the whole blood is comprised of plasma.

Antibodies are gamma globulins produced by B lymphocytes.

Pernicious anemia occurs when the bone marrow is destroyed by drugs or radiation.

Some leukocytes are formed from megakaryocytes.

Which type of anemia is caused by a genetic abnormality?

What advantages does the biconcavity of the erythrocyte impart on the cell?

Only Rh-negative individuals can produce anti-Rh antibodies.

Which statement is incorrect?

If the hematocrit is 40, then the volume occupied by the

Complete each of the following statments. Undifferentiated stem cells in the bone marrow that divide continuously and differentiate to give rise to each of the types of blood cells are said to be ____________________.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

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