Question 1

Which of the following statements correctly describes haemoglobin?

Accepted Answer

A) It consists of a protein made up of four highly folded polypeptide chains and four iron-containing, non-protein, nitrogenous groups. 
B) It appears reddish when combined with CO2. 
C)  It can combine only with O2 molecules. 
D)  It is found in the nuclei of red blood cells. 
A) It consists of a protein made up of four highly folded polypeptide chains and four iron-containing, non-protein, nitrogenous groups. 
B) It appears reddish when combined with CO2. 
C)  It can combine only with O2 molecules. 
D)  It is found in the nuclei of red blood cells.

Question 2

____________________ anaemia results from the failure of the bone marrow to produce sufficient numbers of red blood cells.

Accepted Answer

The answer of ____________________ anaemia results from the failure of...

Question 3

____________________ prevents platelets from aggregating.

Accepted Answer

The answer of ____________________ prevents platelets from aggregating....

Question 4

Which of these statements does NOT correctly describe platelets?

Accepted Answer

A) They do not adhere to normal vascular surfaces. 
B) When aggregated, they release ADP, which causes other platelets to become sticky and adhere to the platelet plug. 
C)  They directly convert fibrinogen to fibrin. 
D)  They form a plug, which releases chemicals that cause the injured vessel to constrict. 
A) They do not adhere to normal vascular surfaces. 
B) When aggregated, they release ADP, which causes other platelets to become sticky and adhere to the platelet plug. 
C)  They directly convert fibrinogen to fibrin. 
D)  They form a plug, which releases chemicals that cause the injured vessel to constrict.

Question 5

What factors influence the rate of erythrocyte production?

Accepted Answer

The answer of What factors influence the rate of erythrocyte...

Question 6

Which of these leukocyte types is implicated in certain allergic reactions, and attacks internal parasites such as worms?

Accepted Answer

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

Question 7

Which of these elements forms the meshwork of a clot?

Accepted Answer

A) aggregated red blood cells 
B) fibrin 
C)  aggregated platelets 
D)  thrombin 
A) aggregated red blood cells 
B) fibrin 
C)  aggregated platelets 
D)  thrombin

Question 8

A deficiency of folic acid can produce anaemia.

Accepted Answer

A) True 
 B)False

Question 9

Leukocytes lack haemoglobin.

Accepted Answer

A) True 
 B)False

Question 10

Which of these statements correctly describes type O blood?

Accepted Answer

A) It has O red blood cell surface antigens. 
B) It contains neither anti-A nor anti-B antibodies. 
C)  It can receive any ABO blood type without a transfusion reaction involving this blood group system. 
D)  It does not have any A or B red blood cell surface antigens, and it contains both anti-A and anti-B antibodies. 
A) It has O red blood cell surface antigens. 
B) It contains neither anti-A nor anti-B antibodies. 
C)  It can receive any ABO blood type without a transfusion reaction involving this blood group system. 
D)  It does not have any A or B red blood cell surface antigens, and it contains both anti-A and anti-B antibodies.

Question 11

Which of these statements does NOT correctly describe iron?

Accepted Answer

A) It is found in the heme portion of the haemoglobin molecule. 
B) It is converted into bilirubin upon erythrocyte degradation. 
C)  It readily combines reversibly with O2. 
D)  Diets deficient in it can lead to anaemia. 
A) It is found in the heme portion of the haemoglobin molecule. 
B) It is converted into bilirubin upon erythrocyte degradation. 
C)  It readily combines reversibly with O2. 
D)  Diets deficient in it can lead to anaemia.

Question 12

Which of these statements is correct with respect to white blood cells?

Accepted Answer

A) Granular leukocytes are more numerous than agranular leukocytes per cubic millimetre. 
B) Eosinophilia frequently accompanies bacterial infections. 
C)  Neutrophils are the least numerous of the leukocytes per cubic millimetre. 
D)  Lymphocytes are granulocytes. 
A) Granular leukocytes are more numerous than agranular leukocytes per cubic millimetre. 
B) Eosinophilia frequently accompanies bacterial infections. 
C)  Neutrophils are the least numerous of the leukocytes per cubic millimetre. 
D)  Lymphocytes are granulocytes.

Question 13

Match the leukocytes, labelled a. through e., with their correct characteristic. (Options may be used more than once or not at all.)
a.neutrophils
b.eosinophils
c.basophils
d.monocytes
e.lymphocytes
-similar to mast cells

Accepted Answer

The answer of Match the leukocytes, labelled a. through e.,...

Question 14

Polycythaemia increases the viscosity of the blood, thus increasing the total peripheral resistance.

Accepted Answer

A) True 
 B)False

Question 15

The first step in haemostasis is the formation of a blood clot.

Accepted Answer

A) True 
 B)False

Question 16

Which of these statements correctly describes tissue thromboplastin?

Accepted Answer

A) It is released from traumatized tissue and triggers the extrinsic clotting pathway. 
B) It converts fibrinogen to fibrin. 
C)  It forms the meshwork of the clot. 
D)  It activates factor XII (Hageman factor). 
A) It is released from traumatized tissue and triggers the extrinsic clotting pathway. 
B) It converts fibrinogen to fibrin. 
C)  It forms the meshwork of the clot. 
D)  It activates factor XII (Hageman factor).

Question 17

Which of the following statements does NOT correctly describe heparin?

Accepted Answer

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

Question 18

Match these blood disorders labelled a. through h. with their characteristics. (Options may be used more than once or not at all.)
a.aplastic anaemia
b.pernicious anaemia
c.haemolytic anaemia
d.haemorrhagic anaemia
e.polycythaemia
f.leukaemia
g.neutrophilia
h.sickle cell anaemia
-frequently associated with bacterial infections

Accepted Answer

The answer of Match these blood disorders labelled a. through...

Question 19

By far the most abundant of the cellular elements in the blood are the ____________________.

Accepted Answer

erythrocyt

Question 20

The rate of erythropoiesis normally increases in a person adjusting to higher altitudes.

Accepted Answer

A) True 
 B)False

Which of the following statements correctly describes haemoglobin?

____________________ anaemia results from the failure of the bone marrow to produce sufficient numbers of red blood cells.

____________________ prevents platelets from aggregating.

Which of these statements does NOT correctly describe platelets?

What factors influence the rate of erythrocyte production?

Which of these leukocyte types is implicated in certain allergic reactions, and attacks internal parasites such as worms?

Which of these elements forms the meshwork of a clot?

A deficiency of folic acid can produce anaemia.

Leukocytes lack haemoglobin.

Which of these statements correctly describes type O blood?

Which of these statements does NOT correctly describe iron?

Which of these statements is correct with respect to white blood cells?

Match the leukocytes, labelled a. through e., with their correct characteristic. (Options may be used more than once or not at all.) a.neutrophils b.eosinophils c.basophils d.monocytes e.lymphocytes -similar to mast cells

Polycythaemia increases the viscosity of the blood, thus increasing the total peripheral resistance.

The first step in haemostasis is the formation of a blood clot.

Which of these statements correctly describes tissue thromboplastin?

Which of the following statements does NOT correctly describe heparin?

By far the most abundant of the cellular elements in the blood are the ____________________.

The rate of erythropoiesis normally increases in a person adjusting to higher altitudes.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters

Exam 9: Cardiac Physiology

Which of the following statements correctly describes haemoglobin?

____________________ anaemia results from the failure of the bone marrow to produce sufficient numbers of red blood cells.

____________________ prevents platelets from aggregating.

Which of these statements does NOT correctly describe platelets?

What factors influence the rate of erythrocyte production?

Which of these leukocyte types is implicated in certain allergic reactions, and attacks internal parasites such as worms?

Which of these elements forms the meshwork of a clot?

A deficiency of folic acid can produce anaemia.

Leukocytes lack haemoglobin.

Which of these statements correctly describes type O blood?

Which of these statements does NOT correctly describe iron?

Which of these statements is correct with respect to white blood cells?

Match the leukocytes, labelled a. through e., with their correct characteristic. (Options may be used more than once or not at all.) a.neutrophils b.eosinophils c.basophils d.monocytes e.lymphocytes -similar to mast cells

Polycythaemia increases the viscosity of the blood, thus increasing the total peripheral resistance.

The first step in haemostasis is the formation of a blood clot.

Which of these statements correctly describes tissue thromboplastin?

Which of the following statements does NOT correctly describe heparin?

By far the most abundant of the cellular elements in the blood are the ____________________.

The rate of erythropoiesis normally increases in a person adjusting to higher altitudes.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters