Question 1

What does exposed collagen in a damaged vessel do?

Accepted Answer

A)  It activates factor XII to initiate blood clotting. 
B)  It initiates platelet aggregation. 
C)  It secretes ADP, which causes platelets to become sticky. 
D)  It activates factor XII to initiate blood clotting and initiates platelet aggregation. 
A)  It activates factor XII to initiate blood clotting. 
B)  It initiates platelet aggregation. 
C)  It secretes ADP, which causes platelets to become sticky. 
D)  It activates factor XII to initiate blood clotting and initiates platelet aggregation.

Question 2

Which of the following occurs in the last step of blood coagulation?

Accepted Answer

A)  Fibrin is converted to fibrinogen. 
B)  Fibrinogen is converted to fibrin. 
C)  Platelet factor enters numerous reactions. 
D)  Prothrombin is converted to thrombin. 
A)  Fibrin is converted to fibrinogen. 
B)  Fibrinogen is converted to fibrin. 
C)  Platelet factor enters numerous reactions. 
D)  Prothrombin is converted to thrombin.

Question 3

Match the haemostasis step with the correct characteristic by using the answer code (options may be used more than once or not at all):
-formation of a platelet plug

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 4

Carbonic anhydrase is NOT crucial for which of the following?

Accepted Answer

A)  CO2 transport in blood. 
B)  conversion of CO2 into bicarbonate ion. 
C)  production of NO. 
D)  chemical buffer system 
A)  CO2 transport in blood. 
B)  conversion of CO2 into bicarbonate ion. 
C)  production of NO. 
D)  chemical buffer system

Question 5

Which of the following is correct for erythrocytes?

Accepted Answer

A)  They are large cells. 
B)  They participate in the clotting of blood. 
C)  They defend the body against foreign substances. 
D)  They possess binding sites for oxygen and CO2. 
A)  They are large cells. 
B)  They participate in the clotting of blood. 
C)  They defend the body against foreign substances. 
D)  They possess binding sites for oxygen and CO2.

Question 6

Specific hormones direct the differentiation and proliferation of the various types of white blood cells.

Accepted Answer

A) True 
 B)False

Question 7

A thrombus is a clot floating in the circulation.

Accepted Answer

A) True 
 B)False

Question 8

What forms the meshwork of a clot?

Accepted Answer

A)  red blood cells 
B)  Fibrin 
C)  Platelets 
D)  Thrombin 
A)  red blood cells 
B)  Fibrin 
C)  Platelets 
D)  Thrombin

Question 9

Polycythemia often occurs in those who live at high altitudes.

Accepted Answer

A) True 
 B)False

Question 10

Haemoglobin transports carbon dioxide and oxygen.

Accepted Answer

A) True 
 B)False

Question 11

The precursor for plasmin is ____________________.

Accepted Answer

The answer of The precursor for plasmin is ____________________....

Question 12

____________________ are immature circulating erythrocytes that contain residual ribosomes and organelle remnants that have not yet been extruded.

Accepted Answer

The answer of ____________________ are immature circulating erythrocytes that contain...

Question 13

Which chemical signal makes platelets sticky upon aggregation?

Accepted Answer

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

Question 14

Match the haemostasis step with the correct characteristic by using the answer code (options may be used more than once or not at all):
-thromboplastin

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 15

Which of the following 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 
A)  calcium ions 
B)  factor XII 
C)  platelet factor 3 
D)  factor VII

Question 16

MATCHING
Match these blood disorders with their characteristics by using the answer code (options may be used more than once or not at all):
-associated with prolonged exposure to low oxygen,such as at high altitude or with chronic lung disease

Accepted Answer

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

What does exposed collagen in a damaged vessel do?

Which of the following occurs in the last step of blood coagulation?

Match the haemostasis step with the correct characteristic by using the answer code (options may be used more than once or not at all): -formation of a platelet plug

Carbonic anhydrase is NOT crucial for which of the following?

Which of the following is correct for erythrocytes?

Specific hormones direct the differentiation and proliferation of the various types of white blood cells.

A thrombus is a clot floating in the circulation.

What forms the meshwork of a clot?

Polycythemia often occurs in those who live at high altitudes.

Haemoglobin transports carbon dioxide and oxygen.

The precursor for plasmin is ____________________.

____________________ are immature circulating erythrocytes that contain residual ribosomes and organelle remnants that have not yet been extruded.

Which chemical signal makes platelets sticky upon aggregation?

Match the haemostasis step with the correct characteristic by using the answer code (options may be used more than once or not at all): -thromboplastin

Which of the following is NOT a required factor in the intrinsic clotting mechanism?

MATCHING Match these blood disorders with their characteristics by using the answer code (options may be used more than once or not at all): -associated with prolonged exposure to low oxygen,such as at high altitude or with chronic lung disease

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

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Body Defences

The Respiratory System

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Fluid and Acid Base Balance

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Exam 9: The Blood

What does exposed collagen in a damaged vessel do?

Which of the following occurs in the last step of blood coagulation?

Match the haemostasis step with the correct characteristic by using the answer code (options may be used more than once or not at all): -formation of a platelet plug

Carbonic anhydrase is NOT crucial for which of the following?

Which of the following is correct for erythrocytes?

Specific hormones direct the differentiation and proliferation of the various types of white blood cells.

A thrombus is a clot floating in the circulation.

What forms the meshwork of a clot?

Polycythemia often occurs in those who live at high altitudes.

Haemoglobin transports carbon dioxide and oxygen.

The precursor for plasmin is ____________________.

____________________ are immature circulating erythrocytes that contain residual ribosomes and organelle remnants that have not yet been extruded.

Which chemical signal makes platelets sticky upon aggregation?

Match the haemostasis step with the correct characteristic by using the answer code (options may be used more than once or not at all): -thromboplastin

Which of the following is NOT a required factor in the intrinsic clotting mechanism?

MATCHING Match these blood disorders with their characteristics by using the answer code (options may be used more than once or not at all): -associated with prolonged exposure to low oxygen,such as at high altitude or with chronic lung disease

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

Body Defences

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters