Question 1

One theory regarding immune tolerance and the development of autoimmunity states that during embryonic growth, some tissues are hidden behind anatomical barriers and cannot be surveyed by the developing immune system. Later in life, some of these tissues may be exposed to the immune system as a result of trauma or infection and the immune system responds by developing an immune reaction against these tissues as if they were foreign. This theory is the

Accepted Answer

A)   theory of molecular mimmicry.
B)   theory of immune deficiency.
C)   forbidden clone theory.
D)   sequestered antigen theory.E) A) and B)
F) None of the above

Question 2

Cancer cells can not displace normal blood cells and bone marrow.

Accepted Answer

A) True 
 B)False

Question 3

All of the following operate in surveillance and destruction of tumor cells, except

Accepted Answer

A)   macrophages.
B)   B cells.
C)   natural killer cells.
D)   cytotoxic T cells.E) All of the above
F) A) and B)

Question 4

Which event releases the chemical mediators?

Accepted Answer

A)   degranulation
B)   binding of allergen to adjacent IgE binding sites on mast cells and basophils
C)   binding of IgE by the Fc region to mast cells and basophils
D)   Histamine acts on smooth muscle.
E)   Prostaglandins cause vasodilation and increased vascular permeability.F) A) and C)
G) B) and C)

Question 5

The chemical mediator that causes prolonged bronchosp, vascular permeability, and mucus secretion of asthmatic patients is

Accepted Answer

A)   prostaglandin.
B)   histamine.
C)   leukotriene.
D)   serotonin.
E)   platelet-activating factor.F) A) and B)
G) B) and D)

Question 6

The tuberculin reaction develops within 30 minutes of the skin test in people with prior sensitization due to tuberculosis infection.

Accepted Answer

A) True 
 B)False

Question 7

Any heightened or inappropriate immune response resulting in tissue damage is called a/an

Accepted Answer

A)   autoimmune disease.
B)   immunodeficiency.
C)   hypersensitivity.
D)   transfusion reaction.
E)   desensitization.F) All of the above
G) C) and D)

Question 8

A female who is Rh+

Accepted Answer

A)   inherited two recessive genes.
B)   is in the majority of the population with regard to Rh status.
C)   is at risk for a pregnancy resulting in hemolytic disease of the newborn.
D)   can only have an Rh positive baby.
E)   All of these choices are correct.F) C) and D)
G) All of the above

Question 9

At birth, a neonate with blood Type O will have circulating anti-A and anti-B antibodies.

Accepted Answer

A) True 
 B)False

Question 10

Which cells play the greatest role in allergic symptoms?

Accepted Answer

A)   T-cells
B)   monocytes
C)   pla cells
D)   mast cells
E)   eosinophilsF) A) and D)
G) All of the above

Question 11

A person with O type blood

Accepted Answer

A)   lacks antibodies to A and B blood types.
B)   lacks A and B antigens.
C)   could not have the Rh factor.
D)   is called a universal recipient.
E)   All of these choices are correct.F) B) and E)
G) A) and E)

Question 12

Which of the following is not a possible symptom of Type 1 hypersensitivity?

Accepted Answer

A)   Rhinitis
B)   Rashes
C)   Sneezing
D)   Diarrhea
E)   Contact dermatitisF) B) and C)
G) C) and D)

Question 13

Which of the following is incorrect about the role of mast cells and basophils in allergies?

Accepted Answer

A)   They degranulate when triggered by a specific allergen through the IgE bound to them.
B)   They carry high numbers of cell receptors that bind to IgE antibodies.
C)   Their cytoplic secretory vesicles contain physiologically active cytokines.
D)   They are found mainly in the lymph nodes.E) B) and C)
F) None of the above

Question 14

Tissue transplanted from one body site on a patient to a different body site on that patient is called an
_____.

Accepted Answer

The answer of Tissue transplanted from one body site on...

Question 15

All of the following are examples of autoimmune diseases, except

Accepted Answer

A)   multiple sclerosis.
B)   Grave's disease.
C)   Hashimoto thyroiditis.
D)   myasthenia gravis.
E)   Wiskott-Aldrich syndrome.F) A) and D)
G) A) and E)

Question 16

The _____ dose of an allergen results in signs and symptoms of the allergy.

Accepted Answer

The answer of The _____ dose of an allergen results...

Question 17

In an isograft, tissue from an identical twin is used.

Accepted Answer

A) True 
 B)False

Question 18

After a bone marrow transplant, the recipient's blood type may change to the blood type of the donor.

Accepted Answer

A) True 
 B)False

Question 19

What will be the immediate action of allergen when it enters the body for a second time?

Accepted Answer

A)   degranulation
B)   bonding of allergen to adjacent IgE binding sites on mast cells and basophils
C)   binding of IgE by the Fc region to mast cells and basophils
D)   Histamine acts on smooth muscle.
E)   Prostaglandins cause vasodilation and increased vascular permeability.F) C) and D)
G) A) and E)

Question 20

Discuss the proposed theories that attempt to explain the origin of autoimmunity.

Accepted Answer

There are several proposed theories that...

Exam 16: Disorders in Immunity

All of the following operate in surveillance and destruction of tumor cells, except

Correct Answer
verified

Which cells play the greatest role in allergic symptoms?

Correct Answer
verified

After a bone marrow transplant, the recipient's blood type may change to the blood type of the donor.

Correct Answer
verified

Which of the following is not a possible symptom of Type 1 hypersensitivity?

Correct Answer
verified

A female who is Rh⁺

Correct Answer
verified

Which of the following is incorrect about the role of mast cells and basophils in allergies?

Correct Answer
verified

Discuss the proposed theories that attempt to explain the origin of autoimmunity.

Correct Answer
Answered by ExamLex AI
There are several proposed theories that...
View Answer

Any heightened or inappropriate immune response resulting in tissue damage is called a/an

Correct Answer
verified

Tissue transplanted from one body site on a patient to a different body site on that patient is called an _____.

Correct Answer
verified

In an isograft, tissue from an identical twin is used.

Correct Answer
verified

What will be the immediate action of allergen when it enters the body for a second time?

Correct Answer
verified

Cancer cells can not displace normal blood cells and bone marrow.

Correct Answer
verified

A person with O type blood

Correct Answer
verified

Which event releases the chemical mediators?

Correct Answer
verified

The chemical mediator that causes prolonged bronchosp, vascular permeability, and mucus secretion of asthmatic patients is

Correct Answer
verified

At birth, a neonate with blood Type O will have circulating anti-A and anti-B antibodies.

Correct Answer
verified

All of the following are examples of autoimmune diseases, except

Correct Answer
verified

The _____ dose of an allergen results in signs and symptoms of the allergy.

Correct Answer
verified

Correct Answer
verified

The tuberculin reaction develops within 30 minutes of the skin test in people with prior sensitization due to tuberculosis infection.

Correct Answer
verified

Exam 16: Disorders in Immunity

All of the following operate in surveillance and destruction of tumor cells, except

Correct AnswerverifiedShow Answer

Which cells play the greatest role in allergic symptoms?

Correct AnswerverifiedShow Answer

After a bone marrow transplant, the recipient's blood type may change to the blood type of the donor.

Correct AnswerverifiedShow Answer

Which of the following is not a possible symptom of Type 1 hypersensitivity?

Correct AnswerverifiedShow Answer

A female who is Rh+

Correct AnswerverifiedShow Answer

Which of the following is incorrect about the role of mast cells and basophils in allergies?

Correct AnswerverifiedShow Answer

Discuss the proposed theories that attempt to explain the origin of autoimmunity.

Correct AnswerAnswered by ExamLex AIThere are several proposed theories that...View AnswerShow Answer

Any heightened or inappropriate immune response resulting in tissue damage is called a/an

Correct AnswerverifiedShow Answer

Tissue transplanted from one body site on a patient to a different body site on that patient is called an _____.

Correct AnswerverifiedShow Answer

In an isograft, tissue from an identical twin is used.

Correct AnswerverifiedShow Answer

What will be the immediate action of allergen when it enters the body for a second time?

Correct AnswerverifiedShow Answer

Cancer cells can not displace normal blood cells and bone marrow.

Correct AnswerverifiedShow Answer

A person with O type blood

Correct AnswerverifiedShow Answer

Which event releases the chemical mediators?

Correct AnswerverifiedShow Answer

The chemical mediator that causes prolonged bronchosp, vascular permeability, and mucus secretion of asthmatic patients is

Correct AnswerverifiedShow Answer

At birth, a neonate with blood Type O will have circulating anti-A and anti-B antibodies.

Correct AnswerverifiedShow Answer

All of the following are examples of autoimmune diseases, except

Correct AnswerverifiedShow Answer

The _____ dose of an allergen results in signs and symptoms of the allergy.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The tuberculin reaction develops within 30 minutes of the skin test in people with prior sensitization due to tuberculosis infection.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

A female who is Rh⁺

Correct Answer
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Correct Answer
verified

Correct Answer
Answered by ExamLex AI
There are several proposed theories that...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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