Question 1

Which is the correct sequence of events leading to clot formation?

Accepted Answer

A)  prothrombin¾thrombin¾fibrin¾fibrinogen 
B)  fibrin¾prothrombin¾fibrinogen¾thrombin 
C)  prothrombin¾thrombin¾fibrinogen¾fibrin 
D)  fibrin¾thrombin¾prothrombin¾fibrinogen 
E)  fibrinogen¾thrombin¾fibrin¾prothrombin 
A)  prothrombin¾thrombin¾fibrin¾fibrinogen 
B)  fibrin¾prothrombin¾fibrinogen¾thrombin 
C)  prothrombin¾thrombin¾fibrinogen¾fibrin 
D)  fibrin¾thrombin¾prothrombin¾fibrinogen 
E)  fibrinogen¾thrombin¾fibrin¾prothrombin

Question 2

Which is not a required factor in the intrinsic clotting mechanism?

Accepted Answer

A)  calcium ions 
B)  factor XII 
C)  platelet factor 3 
D)  factor VII 
E)  factor XI 
A)  calcium ions 
B)  factor XII 
C)  platelet factor 3 
D)  factor VII 
E)  factor XI

Question 3

Detail the life cycle of an erythrocyte, including: (1) specific cells from which they are derived, (2) site of development, (3) name and source of chemicals that stimulate their production, and (4) length of lifespan and this lifespan is limited.

Accepted Answer

Pluripotent stem cells within bone marro

Question 4

In addition to transporting oxygen, hemoglobin transports

Accepted Answer

A)  some carbon dioxide 
B)  nitric oxide 
C)  buffered hydrogen ions 
D)  carbon monoxide 
E)  all of these 
A)  some carbon dioxide 
B)  nitric oxide 
C)  buffered hydrogen ions 
D)  carbon monoxide 
E)  all of these

Question 5

Iron

Accepted Answer

A)  can combine reversibly with O2 
B)  deficiency can produce anemia 
C)  is converted into bilirubin and secreted into the bile when an old red blood cell ruptures and is degraded 
D)  can combine reversibly with O2, and a deficiency can produce anemia 
E)  is converted into bilirubin and secreted into the bile when an old red blood cell ruptures and is degraded; and deficiency can produce anemia 
A)  can combine reversibly with O2 
B)  deficiency can produce anemia 
C)  is converted into bilirubin and secreted into the bile when an old red blood cell ruptures and is degraded 
D)  can combine reversibly with O2, and a deficiency can produce anemia 
E)  is converted into bilirubin and secreted into the bile when an old red blood cell ruptures and is degraded; and deficiency can produce anemia

Question 6

The chemical signal that makes platelets sticky upon aggregation is

Accepted Answer

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

Question 7

Individuals with type-A blood have anti-B antibodies on their red blood cells.

Accepted Answer

A) True 
 B)False

Question 8

Complete each of the following statments.
The percentage of whole blood occupied by erythrocytes, known as the ____________________, is normally ____________________ (greater than, less than) the plasma volume.

Accepted Answer

hematocrit

Question 9

Antibodies are produced by B and T lymphocytes.

Accepted Answer

A) True 
 B)False

Question 10

Select the platelet count per cubic millimeter that is within the normal range.

Accepted Answer

A)  100,000 
B)  130,000 
C)  200,000 
D)  600,000 
E)  800,000 
A)  100,000 
B)  130,000 
C)  200,000 
D)  600,000 
E)  800,000

Question 11

The buffy coat represents < 1% of the whole blood and is comprised of

Accepted Answer

A)  erythrocytes and platelets 
B)  leukocytes and platelets 
C)  leukocytes and clotting factors 
D)  platelets and clotting factors 
E)  clotting factors and albumins 
A)  erythrocytes and platelets 
B)  leukocytes and platelets 
C)  leukocytes and clotting factors 
D)  platelets and clotting factors 
E)  clotting factors and albumins

Question 12

The tissue phagocytes called macrophages are derived from

Accepted Answer

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

Question 13

Which of the following is not a function of thrombin?

Accepted Answer

A)  stimulates conversion of fibrinogen to fibrin 
B)  activates tissue thromboplastin, which initiates the extrinsic clotting pathway 
C)  activates factor XIII (fibrin-stabilizing factor) 
D)  enhances platelet aggregation 
E)  acts in positive-feedback fashion to facilitate its own formation 
A)  stimulates conversion of fibrinogen to fibrin 
B)  activates tissue thromboplastin, which initiates the extrinsic clotting pathway 
C)  activates factor XIII (fibrin-stabilizing factor) 
D)  enhances platelet aggregation 
E)  acts in positive-feedback fashion to facilitate its own formation

Question 14

Erythrocytes

Accepted Answer

A)  secrete fibrinogen needed for clotting 
B)  secrete plasminogen that is converted to plasmin and dissolves a clot after wound healing 
C)  engulf iron to make hemoglobin 
D)  possess binding sites for oxygen and CO2 
E)  secrete fibrinogen needed for clotting and possess binding sites for oxygen and CO2 
A)  secrete fibrinogen needed for clotting 
B)  secrete plasminogen that is converted to plasmin and dissolves a clot after wound healing 
C)  engulf iron to make hemoglobin 
D)  possess binding sites for oxygen and CO2 
E)  secrete fibrinogen needed for clotting and possess binding sites for oxygen and CO2

Question 15

Being a cell fragment, a platelet lacks a nucleus and organelles and does not have any synthetic ability.

Accepted Answer

A) True 
 B)False

Question 16

Granulocytes are more abundant in the blood than agranulocytes.

Accepted Answer

A) True 
 B)False

Question 17

Granulocyte colony-stimulating factor stimulates the replication and release of neutrophils from the bone marrow.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following can occur with leukemia?

Accepted Answer

A)  inadequate defense against foreign invasion despite an excessive number of white blood cells 
B)  anemia 
C)  internal bleeding 
D)  lower production of thrombocytes 
E)  all of these 
A)  inadequate defense against foreign invasion despite an excessive number of white blood cells 
B)  anemia 
C)  internal bleeding 
D)  lower production of thrombocytes 
E)  all of these

Question 19

The bone marrow is the major site for the formation of most blood cells.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is not a function of white blood cells?

Accepted Answer

A)  activation of factor XII, which triggers the clotting cascade 
B)  production of antibodies 
C)  destruction of cancer cells 
D)  phagocytosis of foreign invaders 
E)  phagocytosis of cellular debris 
A)  activation of factor XII, which triggers the clotting cascade 
B)  production of antibodies 
C)  destruction of cancer cells 
D)  phagocytosis of foreign invaders 
E)  phagocytosis of cellular debris

Exam 11: The Blood

Which is the correct sequence of events leading to clot formation?

Which is not a required factor in the intrinsic clotting mechanism?

Detail the life cycle of an erythrocyte, including: (1) specific cells from which they are derived, (2) site of development, (3) name and source of chemicals that stimulate their production, and (4) length of lifespan and this lifespan is limited.

In addition to transporting oxygen, hemoglobin transports

Iron

The chemical signal that makes platelets sticky upon aggregation is

Individuals with type-A blood have anti-B antibodies on their red blood cells.

Complete each of the following statments. The percentage of whole blood occupied by erythrocytes, known as the ____________________, is normally ____________________ (greater than, less than) the plasma volume.

Antibodies are produced by B and T lymphocytes.

Select the platelet count per cubic millimeter that is within the normal range.

The buffy coat represents < 1% of the whole blood and is comprised of

The tissue phagocytes called macrophages are derived from

Which of the following is not a function of thrombin?

Erythrocytes

Being a cell fragment, a platelet lacks a nucleus and organelles and does not have any synthetic ability.

Granulocytes are more abundant in the blood than agranulocytes.

Granulocyte colony-stimulating factor stimulates the replication and release of neutrophils from the bone marrow.

Which of the following can occur with leukemia?

The bone marrow is the major site for the formation of most blood cells.

Which of the following is not a function of white blood cells?

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

Complete each of the following statments. The percentage of whole blood occupied by erythrocytes, known as the , is normally (greater than, less than) the plasma volume.