Question 1

Which of these statements describes viruses

Accepted Answer

A) They are single-celled microorganisms. 
B) They consist only of amino acids enclosed by a protein coat. 
C) They are single-celled microorganisms and must invade a host cell in order to carry out metabolism and reproduce. 
D) They consist only of nucleic acids enclosed by a protein coat, and must invade a host cell in order to carry out metabolism and reproduce. 
A) They are single-celled microorganisms. 
B) They consist only of amino acids enclosed by a protein coat. 
C) They are single-celled microorganisms and must invade a host cell in order to carry out metabolism and reproduce. 
D) They consist only of nucleic acids enclosed by a protein coat, and must invade a host cell in order to carry out metabolism and reproduce.

Question 2

Lactoferrin is a protein that binds with iron.

Accepted Answer

A) True 
 B)False

Question 3

People with type A blood produce anti-B antibodies without ever being exposed to type B blood, but Rh-negative individuals produce anti-Rh antibodies only if they are exposed to Rh-positive blood.

Accepted Answer

A) True 
 B)False

Question 4

Describe the mechanisms of the inflammation process.

Accepted Answer

Inflammation is a complex biological res

Question 5

Which of the following is NOT part of the inflammatory response

Accepted Answer

A) localized vasodilation 
B) migration of neutrophils and macrophages to the site of injury 
C) kinin activation 
D) interferon inhibition of viral replication 
A) localized vasodilation 
B) migration of neutrophils and macrophages to the site of injury 
C) kinin activation 
D) interferon inhibition of viral replication

Question 6

Which of the following is NOT secreted by helper T cells

Accepted Answer

A) interleukin 2 
B) perforin 
C) macrophage-migration inhibition factor 
D) B-cell growth factor 
A) interleukin 2 
B) perforin 
C) macrophage-migration inhibition factor 
D) B-cell growth factor

Question 7

Match the defence molecule(s), labelled a. through h., with the correct characteristic.
-tightly binds with iron, making it unavailable for use by invading bacteria

Accepted Answer

A) lactoferrin 
B) glucocorticoids 
C) histamine 
D) endogenous 
E) opsonins
F)complement
G)antibodies
H)interferon 
A) lactoferrin 
B) glucocorticoids 
C) histamine 
D) endogenous 
E) opsonins
F)complement
G)antibodies
H)interferon

Question 8

Immediate hypersensitivity reactions are mediated by IgE secreted by B cells, whereas delayed hypersensitivity is mediated by T cells.

Accepted Answer

A) True 
 B)False

Question 9

Which type of leukocyte has a derivative known as the plasma cell

Accepted Answer

A) neutrophil 
B) B lymphocyte 
C) T lymphocyte 
D) macrophage 
A) neutrophil 
B) B lymphocyte 
C) T lymphocyte 
D) macrophage

Question 10

A pyrogen induces the development of ____________________.

Accepted Answer

The answer of A pyrogen induces the development of ____________________....

Question 11

Match the defence cell, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.)
-secrete a substance that absorbs harmful ultraviolet rays

Accepted Answer

A) keratinocytes 
B) melanocytes 
C) Langerhans cells 
D) Granstein cells 
A) keratinocytes 
B) melanocytes 
C) Langerhans cells 
D) Granstein cells

Question 12

The process of leukocytes squeezing through the capillary pores to exit the vasculature is known as ____________________.

Accepted Answer

The answer of The process of leukocytes squeezing through the...

Question 13

IgE antibodies are common mediators for allergic reactions.

Accepted Answer

A) True 
 B)False

Question 14

Indicate whether the following characteristics apply to the Fab or Fc region of an antibody, labelled a. and b. (Options may be used more than once or not at all.)
-located in the "arm" regions of an antibody

Accepted Answer

A) applies to the Fab region 
B) applies to the Fc region 
A) applies to the Fab region 
B) applies to the Fc region

Question 15

Interferon, natural killer cells, and cytotoxic T cells all exert antiviral and anticancer effects.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is NOT a component of innate immunity

Accepted Answer

A) inflammation 
B) antibody production 
C) interferon 
D) natural killer cells 
A) inflammation 
B) antibody production 
C) interferon 
D) natural killer cells

Question 17

Which of these statements applies to autoimmune diseases

Accepted Answer

A) They produce large numbers of abnormal leukocytes. 
B) They are more common in men than in women. 
C) They are caused by lack of recognition of self-antigen by the immune system. 
D) They are associated with overexposure to self-antigens. 
A) They produce large numbers of abnormal leukocytes. 
B) They are more common in men than in women. 
C) They are caused by lack of recognition of self-antigen by the immune system. 
D) They are associated with overexposure to self-antigens.

Question 18

Which of the following is NOT an outcome of complement activation

Accepted Answer

A) promotion of localized vasodilation 
B) formation of a membrane-attack complex 
C) activation of kinins 
D) stimulation of interferon production 
A) promotion of localized vasodilation 
B) formation of a membrane-attack complex 
C) activation of kinins 
D) stimulation of interferon production

Question 19

Which of these statements does NOT apply to the epidermis

Accepted Answer

A) It has an outermost keratinized layer that is tough, airtight, and fairly waterproof. 
B) It contains Langerhans cells, Granstein cells, and transient T lymphocytes. 
C) It has a richly vascularized inner layer. 
D) It contains melanocytes, keratinocytes, and Merkel cells. 
A) It has an outermost keratinized layer that is tough, airtight, and fairly waterproof. 
B) It contains Langerhans cells, Granstein cells, and transient T lymphocytes. 
C) It has a richly vascularized inner layer. 
D) It contains melanocytes, keratinocytes, and Merkel cells.

Question 20

Type AB blood can be donated to anyone because it lacks both anti-A and anti-B antibodies.

Accepted Answer

A) True 
 B)False

Which of these statements describes viruses

Lactoferrin is a protein that binds with iron.

People with type A blood produce anti-B antibodies without ever being exposed to type B blood, but Rh-negative individuals produce anti-Rh antibodies only if they are exposed to Rh-positive blood.

Describe the mechanisms of the inflammation process.

Which of the following is NOT part of the inflammatory response

Which of the following is NOT secreted by helper T cells

Match the defence molecule(s), labelled a. through h., with the correct characteristic. -tightly binds with iron, making it unavailable for use by invading bacteria

Immediate hypersensitivity reactions are mediated by IgE secreted by B cells, whereas delayed hypersensitivity is mediated by T cells.

Which type of leukocyte has a derivative known as the plasma cell

A pyrogen induces the development of ____________________.

Match the defence cell, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) -secrete a substance that absorbs harmful ultraviolet rays

The process of leukocytes squeezing through the capillary pores to exit the vasculature is known as ____________________.

IgE antibodies are common mediators for allergic reactions.

Indicate whether the following characteristics apply to the Fab or Fc region of an antibody, labelled a. and b. (Options may be used more than once or not at all.) -located in the "arm" regions of an antibody

Interferon, natural killer cells, and cytotoxic T cells all exert antiviral and anticancer effects.

Which of the following is NOT a component of innate immunity

Which of these statements applies to autoimmune diseases

Which of the following is NOT an outcome of complement activation

Which of these statements does NOT apply to the epidermis

Type AB blood can be donated to anyone because it lacks both anti-A and anti-B antibodies.

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

The Blood

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

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Exam 11: Body Defences

Which of these statements describes viruses

Lactoferrin is a protein that binds with iron.

People with type A blood produce anti-B antibodies without ever being exposed to type B blood, but Rh-negative individuals produce anti-Rh antibodies only if they are exposed to Rh-positive blood.

Describe the mechanisms of the inflammation process.

Which of the following is NOT part of the inflammatory response

Which of the following is NOT secreted by helper T cells

Match the defence molecule(s), labelled a. through h., with the correct characteristic. -tightly binds with iron, making it unavailable for use by invading bacteria

Immediate hypersensitivity reactions are mediated by IgE secreted by B cells, whereas delayed hypersensitivity is mediated by T cells.

Which type of leukocyte has a derivative known as the plasma cell

A pyrogen induces the development of ____________________.

Match the defence cell, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) -secrete a substance that absorbs harmful ultraviolet rays

The process of leukocytes squeezing through the capillary pores to exit the vasculature is known as ____________________.

IgE antibodies are common mediators for allergic reactions.

Indicate whether the following characteristics apply to the Fab or Fc region of an antibody, labelled a. and b. (Options may be used more than once or not at all.) -located in the "arm" regions of an antibody

Interferon, natural killer cells, and cytotoxic T cells all exert antiviral and anticancer effects.

Which of the following is NOT a component of innate immunity

Which of these statements applies to autoimmune diseases

Which of the following is NOT an outcome of complement activation

Which of these statements does NOT apply to the epidermis

Type AB blood can be donated to anyone because it lacks both anti-A and anti-B antibodies.

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

The Blood

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters