Question 1

In one form of anemia, the hematocrit is lower than normal but the amount of hemoglobin inside erythrocytes is much higher.

Accepted Answer

A) True 
 B)False  False

Question 2

Which statement is incorrect?

Accepted Answer

A)  Platelets do not adhere to normal vascular surfaces. 
B)  Aggregated platelets release ADP, which causes other platelets to become sticky and adhere to the platelet plug. 
C)  Platelets directly convert fibrinogen to fibrin. 
D)  A platelet plug releases chemicals that cause the injured vessel to constrict. 
E)  Platelets are produced in the bone marrow. 
A)  Platelets do not adhere to normal vascular surfaces. 
B)  Aggregated platelets release ADP, which causes other platelets to become sticky and adhere to the platelet plug. 
C)  Platelets directly convert fibrinogen to fibrin. 
D)  A platelet plug releases chemicals that cause the injured vessel to constrict. 
E)  Platelets are produced in the bone marrow. C

Question 3

Carbonic anhydrase is important for

Accepted Answer

A)  CO2 transport in blood 
B)  conversion of CO2 into bicarbonate ion 
C)  production of NO 
D)  CO2 transport in blood and conversion of CO2 into bicarbonate ion 
E)  CO2 transport in blood and production of NO 
A)  CO2 transport in blood 
B)  conversion of CO2 into bicarbonate ion 
C)  production of NO 
D)  CO2 transport in blood and conversion of CO2 into bicarbonate ion 
E)  CO2 transport in blood and production of NO D

Question 4

Platelets trapped within the fibrous meshwork of the clot

Accepted Answer

A)  release plasmin 
B)  release prostacyclin 
C)  retract the clot 
D)  inactivate thrombin 
E)  none of these 
A)  release plasmin 
B)  release prostacyclin 
C)  retract the clot 
D)  inactivate thrombin 
E)  none of these

Question 5

What chemical signal released by healthy endothelial tissue prevents overgrowth of platelet plugs?

Accepted Answer

A)  ATP 
B)  fibrinogen 
C)  prostacyclin 
D)  thromboxane 
E)  thrombopoietin 
A)  ATP 
B)  fibrinogen 
C)  prostacyclin 
D)  thromboxane 
E)  thrombopoietin

Question 6

The condition that results from inadequate amounts of platelets is

Accepted Answer

A)  hemophilia 
B)  sickle cell anemia 
C)  thrombocytopenia 
D)  Hageman disorder 
E)  none of these 
A)  hemophilia 
B)  sickle cell anemia 
C)  thrombocytopenia 
D)  Hageman disorder 
E)  none of these

Question 7

Platelet plugs do not grow excessively because of plasmin release by normal endothelial cells.

Accepted Answer

A) True 
 B)False

Question 8

The plasma is about 50 percent water.

Accepted Answer

A) True 
 B)False

Question 9

Blood is comprised of cellular elements and an extracellular matrix comprised primarily of water. What is the name of the blood's extracellular matrix?

Accepted Answer

A)  hematocrit 
B)  fibrinogen 
C)  buffy coat 
D)  plasma 
E)  none of these 
A)  hematocrit 
B)  fibrinogen 
C)  buffy coat 
D)  plasma 
E)  none of these

Question 10

Select the incorrect statement about heparin.

Accepted Answer

A)  It is normally present in the body. 
B)  It is present in basophils. 
C)  It is present in mast cells. 
D)  It is used in blood samples. 
E)  It stimulates the coagulation of blood. 
A)  It is normally present in the body. 
B)  It is present in basophils. 
C)  It is present in mast cells. 
D)  It is used in blood samples. 
E)  It stimulates the coagulation of blood.

Question 11

Anemia refers to a reduction in the oxygen-carrying capacity of the blood.

Accepted Answer

A) True 
 B)False

Question 12

Which chemical is not involved in fibrinolysis?

Accepted Answer

A)  plasmin 
B)  plasminogen 
C)  tissue plasminogen activator 
D)  thrombin 
E)  Hageman factor 
A)  plasmin 
B)  plasminogen 
C)  tissue plasminogen activator 
D)  thrombin 
E)  Hageman factor

Question 13

One reason why men have a higher hematocrit than women is due to

Accepted Answer

A)  having smaller leucocytes 
B)  having a larger muscle mass 
C)  testosterone interactions with erythropoietin 
D)  having a lower concentration of albumin in the plasma 
E)  having smaller leucocytes and testosterone interactions with erythropoietin 
A)  having smaller leucocytes 
B)  having a larger muscle mass 
C)  testosterone interactions with erythropoietin 
D)  having a lower concentration of albumin in the plasma 
E)  having smaller leucocytes and testosterone interactions with erythropoietin

Question 14

Hemoglobin is found within the nuclei of erythrocytes.

Accepted Answer

A) True 
 B)False

Question 15

Agranulocytes lack hemoglobin, whereas granulocytes contain small amounts of globin.

Accepted Answer

A) True 
 B)False

Question 16

The hormone controlling erythropoiesis is produced in the

Accepted Answer

A)  pancreas 
B)  brain 
C)  heart 
D)  kidney 
E)  intestine 
A)  pancreas 
B)  brain 
C)  heart 
D)  kidney 
E)  intestine

Question 17

Anemia is a condition in which the oxygen-carrying capacity of the blood is increased.

Accepted Answer

A) True 
 B)False

Question 18

Describe the pathway through which pluripotent stem cells become differentiated into each type of cellular component in the blood. Be as specific as possible.

Accepted Answer

Pluripotent cells differentiate into mye

Question 19

Basophils

Accepted Answer

A)  contain granules that preferentially take up a basic blue dye 
B)  leave the blood to become macrophages 
C)  synthesize and store histamine and heparin 
D)  contain granules that preferentially take up a basic blue dye and leave the blood to become macrophages 
E)  contain granules that preferentially take up a basic blue dye, and synthesize and store histamine and heparin 
A)  contain granules that preferentially take up a basic blue dye 
B)  leave the blood to become macrophages 
C)  synthesize and store histamine and heparin 
D)  contain granules that preferentially take up a basic blue dye and leave the blood to become macrophages 
E)  contain granules that preferentially take up a basic blue dye, and synthesize and store histamine and heparin

Question 20

Erythropoietin stimulates erythropoiesis in the liver.

Accepted Answer

A) True 
 B)False

Exam 11: The Blood

In one form of anemia, the hematocrit is lower than normal but the amount of hemoglobin inside erythrocytes is much higher.

Which statement is incorrect?

Carbonic anhydrase is important for

Platelets trapped within the fibrous meshwork of the clot

What chemical signal released by healthy endothelial tissue prevents overgrowth of platelet plugs?

The condition that results from inadequate amounts of platelets is

Platelet plugs do not grow excessively because of plasmin release by normal endothelial cells.

The plasma is about 50 percent water.

Blood is comprised of cellular elements and an extracellular matrix comprised primarily of water. What is the name of the blood's extracellular matrix?

Select the incorrect statement about heparin.

Anemia refers to a reduction in the oxygen-carrying capacity of the blood.

Which chemical is not involved in fibrinolysis?

One reason why men have a higher hematocrit than women is due to

Hemoglobin is found within the nuclei of erythrocytes.

Agranulocytes lack hemoglobin, whereas granulocytes contain small amounts of globin.

The hormone controlling erythropoiesis is produced in the

Anemia is a condition in which the oxygen-carrying capacity of the blood is increased.

Describe the pathway through which pluripotent stem cells become differentiated into each type of cellular component in the blood. Be as specific as possible.

Basophils

Erythropoietin stimulates erythropoiesis in the liver.

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

Filters