AnswersSSCR 26 Biology BThe Immune System

The Immune System Answers

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Lupus, a condition in which the body attacks its own cells, is an example of

A
an allergic disorder.
B
an immunodeficiency disorder.
C
a cancer of the immune system.
D
an autoimmune disorder.
3

Why is the action of phagocytes considered a nonspecific response?

A
It does not occur at any specific temperature.
B
It is not involved with the production of any specific type of lymphocyte.
C
It does not respond to any specific type of hormone.
D
It is not a response to a specific type of pathogen.
4

How does fever indicate that your body's immune system is doing its job?

A
Fever increases red blood cell production.
B
Fever raises the body's temperature to destroy harmful substances.
C
Fever triggers inflammation.
D
Fever causes the secretion of hormones that fight harmful substances.
5

A person who has allergies has a compromised immune system because the body’s immune system

A
attacks its healthy cells.
B
overreacts to an antigen.
C
steals nutrients from healthy cells.
D
responds to mutagens.
6

A new herbal supplement is on the market that claims to build immunity and prevent illness. The best response to this claim is to

A
research the information using several sources before taking the supplement.
B
immediately begin the recommended regimen to stay healthy.
C
use the supplement when in close contact with others who are ill.
D
use half of a dose until more studies confirm the supplement’s effectiveness.
7

Which is an effect of a compromised immune system?

A
decreased antibody production
B
improved ability to fight disease
C
increased lymphocyte production
D
reduction in pathogens entering the body
8

What do saliva, tears, and nasal mucus have in common?

A
All can be classified as biological barriers.
B
All contain Langerhans cells.
C
All can destroy bacterial cell walls.
D
All are part of the complement system.
9

One function of the immune system is to attack the foreign cells to protect the body. In organ transplants, the body recognizes that the new organ is made of foreign cells. What kind of medicine would you give a patient to increase the chances of transplant success?

A
Medicine that makes the immune system less effective.
B
Medicine that makes the immune system more effective.
C
Medicine that allows the immune system to produce and secrete hormones.
D
Medicine that allows the immune system to regulate nerve responses.
10

How does inflammation help the body fight off further infection?

A
Inflammation keeps harmful substances away from healthy cells.
B
Inflammation triggers the production of white blood cells.
C
Inflammation drops the pH of blood.
D
Inflammation raises the pH of blood.

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