Question 1

Eosinophils are attracted to sites involved with delayed allergic reactions.

Accepted Answer

A) True 
 B)False

Question 2

Monocytes

Accepted Answer

A)  are the first phagocytes to exit the blood and arrive at an injured or invaded area 
B)  swell and mature into macrophages after exiting the blood 
C)  act as opsonins. 
D)  all of these 
E)  are the first phagocytes to exit the blood and arrive at an injured or invaded area, and swell and mature into macrophages after exiting the blood 
A)  are the first phagocytes to exit the blood and arrive at an injured or invaded area 
B)  swell and mature into macrophages after exiting the blood 
C)  act as opsonins. 
D)  all of these 
E)  are the first phagocytes to exit the blood and arrive at an injured or invaded area, and swell and mature into macrophages after exiting the blood

Question 3

Neutrophils swell and mature into macrophages after they enter the tissues.

Accepted Answer

A) True 
 B)False

Question 4

Interferon is a

Accepted Answer

A)  family of proteins that defends against viruses 
B)  natural killer cell 
C)  specific bacterial surface receptor 
D)  specialized type of white blood cell 
E)  vasodilator agent 
A)  family of proteins that defends against viruses 
B)  natural killer cell 
C)  specific bacterial surface receptor 
D)  specialized type of white blood cell 
E)  vasodilator agent

Question 5

Complete each of the following statments.
____________________ is released from virally invaded cells and, transiently, nonselectively inhibits multiplication of viruses in other cells.

Accepted Answer

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

Question 6

Complete each of the following statments.
By ____________________, cancer cells spread to other parts of the body.

Accepted Answer

The answer of Complete each of the following statments.
By ____________________,...

Question 7

Localized vasodilation in an inflamed area is brought about by the release of ____ from ____.

Accepted Answer

A)  histamine; mast cells 
B)  opsonins; B lymphocytes 
C)  interleukin 1; mast cells 
D)  leukocyte mediator; phagocytes 
E)  prostaglandins; phagocytes 
A)  histamine; mast cells 
B)  opsonins; B lymphocytes 
C)  interleukin 1; mast cells 
D)  leukocyte mediator; phagocytes 
E)  prostaglandins; phagocytes

Question 8

What type of cells do natural killer cells destroy?

Accepted Answer

A)  antibody marked cells 
B)  bacteria and virus-infected cells 
C)  bacteria and cancerous cells 
D)  cancerous cells and virus-infected cells 
E)  none of these 
A)  antibody marked cells 
B)  bacteria and virus-infected cells 
C)  bacteria and cancerous cells 
D)  cancerous cells and virus-infected cells 
E)  none of these

Question 9

Keratinocytes

Accepted Answer

A)  form the outer protective layer of the skin 
B)  secrete interleukin 1 
C)  present antigens to helper T cells 
D)  form the outer protective layer of the skin and secrete interleukin 1 
E)  none of these 
A)  form the outer protective layer of the skin 
B)  secrete interleukin 1 
C)  present antigens to helper T cells 
D)  form the outer protective layer of the skin and secrete interleukin 1 
E)  none of these

Question 10

Which of the following is not accomplished by a chemical released from activated phagocytes?

Accepted Answer

A)  decreasing plasma iron so that it is unavailable for bacterial multiplication 
B)  stimulating histamine release from mast cells 
C)  stimulating the synthesis of viral-blocking enzymes 
D)  inducing the development of fever 
E)  stimulating granulopoiesis 
A)  decreasing plasma iron so that it is unavailable for bacterial multiplication 
B)  stimulating histamine release from mast cells 
C)  stimulating the synthesis of viral-blocking enzymes 
D)  inducing the development of fever 
E)  stimulating granulopoiesis

Question 11

Complete each of the following statments.
Adhesion of blood-borne leukocytes to the endothelial lining is known as ____________________.

Accepted Answer

The answer of Complete each of the following statments.
Adhesion of...

Question 12

Which chemical induces prolonged contraction of smooth muscle during allergic reactions?

Accepted Answer

A)  basophil chemotactic factor 
B)  eosinophil chemotactic factor 
C)  histamine 
D)  SRS-A 
E)  TP-2 
A)  basophil chemotactic factor 
B)  eosinophil chemotactic factor 
C)  histamine 
D)  SRS-A 
E)  TP-2

Question 13

Which of the following is not attributable to complement activity?

Accepted Answer

A)  acting as opsonins 
B)  walling-off the inflamed area 
C)  serving as chemotaxins 
D)  stimulating the release of histamine 
E)  forming a membrane attack complex 
A)  acting as opsonins 
B)  walling-off the inflamed area 
C)  serving as chemotaxins 
D)  stimulating the release of histamine 
E)  forming a membrane attack complex

Question 14

Which of the following is not a possible cause of autoimmune disease?

Accepted Answer

A)  reduction in suppressor T cell activity 
B)  prolonged treatment with anti-inflammatory drugs 
C)  exposure of normally inaccessible self-antigens 
D)  modification of normal self-antigens 
E)  exposure of the immune system to a foreign antigen almost identical structurally to a self-antigen 
A)  reduction in suppressor T cell activity 
B)  prolonged treatment with anti-inflammatory drugs 
C)  exposure of normally inaccessible self-antigens 
D)  modification of normal self-antigens 
E)  exposure of the immune system to a foreign antigen almost identical structurally to a self-antigen

Question 15

Complete each of the following statments.
____________________ disease occurs when destructive inflammatory processes "spill over" into normal tissue in the presence of excessive numbers of antigen-antibody complexes.

Accepted Answer

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

Question 16

Which statement does not apply to macrophages?

Accepted Answer

A)  They participate in inflammation. 
B)  They process and present antigens to lymphocytes. 
C)  They secrete antibodies. 
D)  They secrete interleukin 1. 
E)  They participate in immune surveillance against cancer. 
A)  They participate in inflammation. 
B)  They process and present antigens to lymphocytes. 
C)  They secrete antibodies. 
D)  They secrete interleukin 1. 
E)  They participate in immune surveillance against cancer.

Question 17

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

Question 18

Complete each of the following statments.
Antibody proteins consist of two heavy and ____________________ light polypeptide chains.

Accepted Answer

The answer of Complete each of the following statments.
Antibody proteins...

Question 19

A given allergen can activate a B cell or T cell.

Accepted Answer

A) True 
 B)False

Question 20

Complete each of the following statments.
____________________ refers to the life-threatening allergic phenomenon characterized by severe hypotension and profound bronchial constriction due to the presence of large amounts of chemical mediators in the blood released from mast cells and basophils in response to a particular allergen.

Accepted Answer

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

Exam 12: Body Defenses

Eosinophils are attracted to sites involved with delayed allergic reactions.

Monocytes

Neutrophils swell and mature into macrophages after they enter the tissues.

Interferon is a

Complete each of the following statments. ____________________ is released from virally invaded cells and, transiently, nonselectively inhibits multiplication of viruses in other cells.

Complete each of the following statments. By ____________________, cancer cells spread to other parts of the body.

Localized vasodilation in an inflamed area is brought about by the release of ____ from ____.

What type of cells do natural killer cells destroy?

Keratinocytes

Which of the following is not accomplished by a chemical released from activated phagocytes?

Complete each of the following statments. Adhesion of blood-borne leukocytes to the endothelial lining is known as ____________________.

Which chemical induces prolonged contraction of smooth muscle during allergic reactions?

Which of the following is not attributable to complement activity?

Which of the following is not a possible cause of autoimmune disease?

Complete each of the following statments. ____________________ disease occurs when destructive inflammatory processes "spill over" into normal tissue in the presence of excessive numbers of antigen-antibody complexes.

Which statement does not apply to macrophages?

Which of the following is not secreted by helper T cells?

Complete each of the following statments. Antibody proteins consist of two heavy and ____________________ light polypeptide chains.

A given allergen can activate a B cell or T cell.

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

Localized vasodilation in an inflamed area is brought about by the release of from .