Question 1

Why are regulatory T cells important to the immune process?

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Question 2

A woman comes into the hospital emergency room complaining that she is having problems swallowing and her neck is swelling.She has a history of radiation treatment to her neck as a child for acne.What could be the problem?

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Question 3

Max is bitten by a rattlesnake while on a camping trip.His friends immediately apply ice packs to the bitten area to slow the spread of the protein-based toxin; they then rush him to an emergency facility.What treatment would be given and why?

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Question 4

Why do schools require inoculations for childhood diseases such as mumps,measles,and whooping cough? Why are the inoculations of value?

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Question 5

The antibody that becomes bound to mast cells and basophils and causes the cells to release histamine and other chemicals is ________.

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Question 6

What are the signs of inflammation,and how does inflammation serve as a protective function?

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Question 7

Name four autoimmune diseases.

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Question 8

Elderly people tend to develop cancer more frequently than younger people.Give an explanation for this observation that relates to immune function.

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Question 9

What are monoclonal antibodies? How are they produced,and what are some of their clinical uses?

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Question 10

Failure of developing T cells to recognize self MHC during positive selection results in ________.

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Question 11

Children born without a thymus must be kept in a germ-free environment if they are to survive.Explain why this is necessary.

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Question 12

When the white blood cell count is depressed,the classic signs of infection such as redness,heat,and swelling are not manifested.In this case,the nurse should avoid administering aspirin.Explain why.

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Question 13

After receiving penicillin intravenously,a 32-year-old male patient has an anaphylactic reaction.The nurse understands that therapeutic management includes what critical items?

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Question 14

An autoimmune disease that severely impairs renal function is ________.

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Question 15

A group of at least 20 plasma proteins that normally circulate in an inactive state and are a major mechanism for destroying foreign substances in the body are referred to as ________.

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Question 16

Nursing care of a patient with acquired immune deficiency syndrome (AIDS)includes monitoring of T lymphocyte counts.Explain why.

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Question 17

A 36-year-old man enters the hospital in an extremely debilitated condition.He has purple-brown skin lesions (a symptom of Kaposi's sarcoma)and a persistent cough.A physical examination reveals swollen lymph nodes,and laboratory tests find a very low lymphocyte count.Information taken during the personal history reveals that he has multiple sex partners with whom he frequently engages in unprotected sex.What is likely to be the man's problem and what is his outlook?

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Question 18

What are some of the drawbacks of passive humoral immunity?

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Question 19

Tom gets a cut on his hand.After several days he notes swelling,pain,heat,and redness.Upon opening the wound to relieve the pressure,the presence of pus is noted.What has happened to the wound?

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Quiz 21: The Immune System: Innate and Adaptive Body Defenses