Question 1

Which of these statements describes prostacyclin

Accepted Answer

A) It activates the clotting cascade. 
B) It induces profound vasoconstriction of an injured vessel. 
C) It profoundly inhibits platelet aggregation. 
D) It is released by aggregated platelets. 
A) It activates the clotting cascade. 
B) It induces profound vasoconstriction of an injured vessel. 
C) It profoundly inhibits platelet aggregation. 
D) It is released by aggregated platelets.

Question 2

Which of these statements does NOT describe platelets

Accepted Answer

A) They are produced in the bone marrow. 
B) They form the meshwork of a blood clot, upon which the other cellular elements become entrapped. 
C) They form a plug when they adhere to the exposed collagen of a damaged vessel. 
D) When aggregated, they release serotonin, epinephrine, and thromboxane A2. 
A) They are produced in the bone marrow. 
B) They form the meshwork of a blood clot, upon which the other cellular elements become entrapped. 
C) They form a plug when they adhere to the exposed collagen of a damaged vessel. 
D) When aggregated, they release serotonin, epinephrine, and thromboxane A2.

Question 3

A thrombus is a clot floating in the circulation.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following refers to plasmin

Accepted Answer

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

Question 5

Which of these statements does NOT refer to antibodies

Accepted Answer

A) They are gamma globulins. 
B) They are a type of plasma protein. 
C) They are produced by T lymphocytes. 
D) They originate from plasma cells. 
A) They are gamma globulins. 
B) They are a type of plasma protein. 
C) They are produced by T lymphocytes. 
D) They originate from plasma cells.

Question 6

Platelets are important in the process of haemostasis.

Accepted Answer

A) True 
 B)False

Question 7

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 8

Which cells leave the blood after circulating for only a day or two, and become the large tissue phagocytes known as macrophages

Accepted Answer

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

Question 9

Pernicious anaemia develops from a deficiency of which of the following

Accepted Answer

A) ATP 
B) carbonic anhydrase 
C) gastrin hormone 
D) intrinsic factor 
A) ATP 
B) carbonic anhydrase 
C) gastrin hormone 
D) intrinsic factor

Question 10

Match the leukocytes, labelled a. through e., with their correct characteristic. (Options may be used more than once or not at all.)
-the most abundant type of agranulocyte

Accepted Answer

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

Question 11

An increase in the circulating number of which cell type is associated with parasite infestation

Accepted Answer

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

Question 12

Carbonic anhydrase is necessary for nitrogen transport.

Accepted Answer

A) True 
 B)False

Question 13

Match the haemostasis steps, labelled a. through j., with their correct characteristic(s). (Options may be used more than once or not at all.)
-blood coagulation

Accepted Answer

A) converts fibrinogen to fibrin 
B) When platelets come into contact with this substance in an injured vessel wall, it causes them to adhere and aggregate. 
C) When activated, this substance digests the fibrin threads, causing dissolution of the clot. 
D) substance released by the platelet plug that causes more platelets to aggregate 
E) first step in haemostasis
F)forms the meshwork of the clot
G)a plasma protein activated by factor X
H)second step in haemostasis
I)released from injured tissues; activates extrinsic clotting pathway
J)third step in haemostasis 
A) converts fibrinogen to fibrin 
B) When platelets come into contact with this substance in an injured vessel wall, it causes them to adhere and aggregate. 
C) When activated, this substance digests the fibrin threads, causing dissolution of the clot. 
D) substance released by the platelet plug that causes more platelets to aggregate 
E) first step in haemostasis
F)forms the meshwork of the clot
G)a plasma protein activated by factor X
H)second step in haemostasis
I)released from injured tissues; activates extrinsic clotting pathway
J)third step in haemostasis

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

If the haematocrit is 47 percent, this means that 47 percent of the whole blood consists of plasma.

Accepted Answer

A) True 
 B)False

Question 16

What are the different types and functions of plasma proteins

Accepted Answer

Plasma proteins are a diverse group of p

Question 17

K is a required clotting factor.

Accepted Answer

A) True 
 B)False

Question 18

Match these blood disorders labelled a. through h. with their characteristics. (Options may be used more than once or not at all.)
-lack of red blood cell production due to poisoning of the bone marrow

Accepted Answer

A) aplastic anaemia 
B) pernicious anaemia 
C) haemolytic anaemia 
D) haemorrhagic anaemia 
E) polycythaemia
F)leukaemia
G)neutrophilia
H)sickle cell anaemia 
A) aplastic anaemia 
B) pernicious anaemia 
C) haemolytic anaemia 
D) haemorrhagic anaemia 
E) polycythaemia
F)leukaemia
G)neutrophilia
H)sickle cell anaemia

Question 19

Which of these statements describes erythrocytes

Accepted Answer

A) They contain many nuclei. 
B) They survive an average of 150 days. 
C) They do not have the ability to use O₂ for energy production despite the fact that they transport O₂ to all the other tissues of the body. 
D) They are inflexible. 
A) They contain many nuclei. 
B) They survive an average of 150 days. 
C) They do not have the ability to use O₂ for energy production despite the fact that they transport O₂ to all the other tissues of the body. 
D) They are inflexible.

Question 20

Match the haemostasis steps, labelled a. through j., with their correct characteristic(s). (Options may be used more than once or not at all.)
-vascular spasm

Accepted Answer

A) converts fibrinogen to fibrin 
B) When platelets come into contact with this substance in an injured vessel wall, it causes them to adhere and aggregate. 
C) When activated, this substance digests the fibrin threads, causing dissolution of the clot. 
D) substance released by the platelet plug that causes more platelets to aggregate 
E) first step in haemostasis
F)forms the meshwork of the clot
G)a plasma protein activated by factor X
H)second step in haemostasis
I)released from injured tissues; activates extrinsic clotting pathway
J)third step in haemostasis 
A) converts fibrinogen to fibrin 
B) When platelets come into contact with this substance in an injured vessel wall, it causes them to adhere and aggregate. 
C) When activated, this substance digests the fibrin threads, causing dissolution of the clot. 
D) substance released by the platelet plug that causes more platelets to aggregate 
E) first step in haemostasis
F)forms the meshwork of the clot
G)a plasma protein activated by factor X
H)second step in haemostasis
I)released from injured tissues; activates extrinsic clotting pathway
J)third step in haemostasis

Which of these statements describes prostacyclin

Which of these statements does NOT describe platelets

A thrombus is a clot floating in the circulation.

Which of the following refers to plasmin

Which of these statements does NOT refer to antibodies

Platelets are important in the process of haemostasis.

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

Which cells leave the blood after circulating for only a day or two, and become the large tissue phagocytes known as macrophages

Pernicious anaemia develops from a deficiency of which of the following

Match the leukocytes, labelled a. through e., with their correct characteristic. (Options may be used more than once or not at all.) -the most abundant type of agranulocyte

An increase in the circulating number of which cell type is associated with parasite infestation

Carbonic anhydrase is necessary for nitrogen transport.

Match the haemostasis steps, labelled a. through j., with their correct characteristic(s). (Options may be used more than once or not at all.) -blood coagulation

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

If the haematocrit is 47 percent, this means that 47 percent of the whole blood consists of plasma.

What are the different types and functions of plasma proteins

K is a required clotting factor.

Match these blood disorders labelled a. through h. with their characteristics. (Options may be used more than once or not at all.) -lack of red blood cell production due to poisoning of the bone marrow

Which of these statements describes erythrocytes

Match the haemostasis steps, labelled a. through j., with their correct characteristic(s). (Options may be used more than once or not at all.) -vascular spasm

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

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Vascular Physiology

Body Defences

The Respiratory System

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Fluid and Acidbase Balance

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The Reproductive System

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Exam 10: The Blood

Which of these statements describes prostacyclin

Which of these statements does NOT describe platelets

A thrombus is a clot floating in the circulation.

Which of the following refers to plasmin

Which of these statements does NOT refer to antibodies

Platelets are important in the process of haemostasis.

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

Which cells leave the blood after circulating for only a day or two, and become the large tissue phagocytes known as macrophages

Pernicious anaemia develops from a deficiency of which of the following

Match the leukocytes, labelled a. through e., with their correct characteristic. (Options may be used more than once or not at all.) -the most abundant type of agranulocyte

An increase in the circulating number of which cell type is associated with parasite infestation

Carbonic anhydrase is necessary for nitrogen transport.

Match the haemostasis steps, labelled a. through j., with their correct characteristic(s). (Options may be used more than once or not at all.) -blood coagulation

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

If the haematocrit is 47 percent, this means that 47 percent of the whole blood consists of plasma.

What are the different types and functions of plasma proteins

K is a required clotting factor.

Match these blood disorders labelled a. through h. with their characteristics. (Options may be used more than once or not at all.) -lack of red blood cell production due to poisoning of the bone marrow

Which of these statements describes erythrocytes

Match the haemostasis steps, labelled a. through j., with their correct characteristic(s). (Options may be used more than once or not at all.) -vascular spasm

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters