Question 1

T lymphocytes

Accepted Answer

A)  produce thymosin 
B)  secrete antibodies 
C)  are converted into plasma cells 
D)  mature ad differentiate within the bone marrow. 
E)  none of these 
A)  produce thymosin 
B)  secrete antibodies 
C)  are converted into plasma cells 
D)  mature ad differentiate within the bone marrow. 
E)  none of these

Question 2

Pathogenic bacteria induce tissue damage and produce disease by invading host cells and taking over the cellular biochemical facilities for their own purposes.

Accepted Answer

A) True 
 B)False

Question 3

Complete each of the following statments.
The group of genes that codes for self-antigens is known as the ____________________.

Accepted Answer

m ajor his

Question 4

Hair and nails are both special keratinized products.

Accepted Answer

A) True 
 B)False

Question 5

The tremendous diversity of antibodies is made possible by genetic recombination coupled with somatic mutation during lymphocyte development.

Accepted Answer

A) True 
 B)False

Question 6

Opsonins

Accepted Answer

A)  enhance phagocytosis by linking the foreign cell to a phagocytic cell 
B)  include antibodies 
C)  include a certain complement protein 
D)  include antibodies and a certain complement protein 
E)  all of these 
A)  enhance phagocytosis by linking the foreign cell to a phagocytic cell 
B)  include antibodies 
C)  include a certain complement protein 
D)  include antibodies and a certain complement protein 
E)  all of these

Question 7

Histamine is primarily responsible for causing the bronchial constriction associated with asthma.

Accepted Answer

A) True 
 B)False

Question 8

Which does not apply to neutrophils?

Accepted Answer

A)  are produced only in lymph nodes 
B)  can perform phagocytosis 
C)  can perform diapedesis 
D)  can exhibit amoeboid movement 
E)  are attracted by chemotaxis 
A)  are produced only in lymph nodes 
B)  can perform phagocytosis 
C)  can perform diapedesis 
D)  can exhibit amoeboid movement 
E)  are attracted by chemotaxis

Question 9

Complete each of the following statments.
____________________ against cancer cells involves an interplay among cytotoxic T cells, NK cells, macrophages, and interferon.

Accepted Answer

The answer of Complete each of the following statments.
____________________ against...

Question 10

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 11

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

Accepted Answer

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

Question 12

Complete each of the following statments.
The ____________________ of the complement system imbeds itself in the microbial membrane surface, thereby bringing about lysis of the victim cell.

Accepted Answer

membrane-a

Question 13

A single mutation induced by a carcinogen is usually sufficient to convert a normal cell into a cancer cell.

Accepted Answer

A) True 
 B)False

Question 14

Use this figure to answer the corresponding questions.
Number ____ identifies a helper T cell's co-receptor, called ____________________.

Accepted Answer

The answer of Use this figure to answer the corresponding...

Question 15

Select the most abundant immunoglobulin in the blood.

Accepted Answer

A)  IgA 
B)  IgD 
C)  IgE 
D)  IgG 
E)  IgM 
A)  IgA 
B)  IgD 
C)  IgE 
D)  IgG 
E)  IgM

Question 16

Severe burns of the skin can result in life-threatening circulatory disturbances.

Accepted Answer

A) True 
 B)False

Question 17

Complete each of the following statments.
According to the ____________________ theory, when an antigen enters the body, it activates the particular clone of B cells that bear receptors on their surface uniquely specific for that antigen.

Accepted Answer

The answer of Complete each of the following statments.
According to...

Question 18

Active immunity

Accepted Answer

A)  is self-generated upon exposure to antigen 
B)  can be produced only as a result of a person actually having the disease 
C)  involves administration of preformed antibodies 
D)  is shorter in duration than passive immunity 
E)  is acquired in the newborn as a result of the transfer of antibodies across the placenta during intrauterine development 
A)  is self-generated upon exposure to antigen 
B)  can be produced only as a result of a person actually having the disease 
C)  involves administration of preformed antibodies 
D)  is shorter in duration than passive immunity 
E)  is acquired in the newborn as a result of the transfer of antibodies across the placenta during intrauterine development

Question 19

Complete each of the following statments.
Lymphocytes can only recognize and be activated by antigens that have been processed and presented to them by ____________________.

Accepted Answer

The answer of Complete each of the following statments.
Lymphocytes can...

Question 20

The large intestine's normal microbial population helps defend against infection within the lower intestine.

Accepted Answer

A) True 
 B)False

Exam 12: Body Defenses

T lymphocytes

Pathogenic bacteria induce tissue damage and produce disease by invading host cells and taking over the cellular biochemical facilities for their own purposes.

Complete each of the following statments. The group of genes that codes for self-antigens is known as the ____________________.

Hair and nails are both special keratinized products.

The tremendous diversity of antibodies is made possible by genetic recombination coupled with somatic mutation during lymphocyte development.

Opsonins

Histamine is primarily responsible for causing the bronchial constriction associated with asthma.

Which does not apply to neutrophils?

Complete each of the following statments. ____________________ against cancer cells involves an interplay among cytotoxic T cells, NK cells, macrophages, and interferon.

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?

Complete each of the following statments. The ____________________ of the complement system imbeds itself in the microbial membrane surface, thereby bringing about lysis of the victim cell.

A single mutation induced by a carcinogen is usually sufficient to convert a normal cell into a cancer cell.

Use this figure to answer the corresponding questions. Number ____ identifies a helper T cell's co-receptor, called ____________________.

Select the most abundant immunoglobulin in the blood.

Severe burns of the skin can result in life-threatening circulatory disturbances.

Complete each of the following statments. According to the ____________________ theory, when an antigen enters the body, it activates the particular clone of B cells that bear receptors on their surface uniquely specific for that antigen.

Active immunity

Complete each of the following statments. Lymphocytes can only recognize and be activated by antigens that have been processed and presented to them by ____________________.

The large intestine's normal microbial population helps defend against infection within the lower intestine.

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

The Blood

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

Use this figure to answer the corresponding questions. Number identifies a helper T cell's co-receptor, called ________________.