AnswersSummer School LA-Biology CRThe Musculoskeletal and Integumentary Systems

The Immune System Answers

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Which best describes the purpose of a fever?

A
to make the body too hot for the bacteria to live
B
to make the body too cold for the bacteria to live
C
to stimulate lymphocytes to make antibodies
D
to stimulate an increased production of sweat
2
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Which statement best describes how a B-cell works?

A
It produces antigens, which stimulate a fever.
B
It produces antibodies specific to an antigen.
C
It produces antigens specific to antibodies.
D
It produces antibodies, which stimulate a fever.
3

The first line of defense involves which structure(s)?

A
T-cells
B
skin
C
blood
D
B-cells
4

When children are young and go to the doctor, the doctor will give them booster shots. This re-exposes the children to a dead portion of a disease to help them build immunity.Which type of immunity is described?

A
active
B
passive
C
antibiotic
D
phagocytic
5

Which would most likely cause a person to produce antibodies?

A
receiving a vaccination
B
experiencing swelling
C
spraining a muscle
D
experiencing a fever
6

Akio just got over having the flu. His brother just got the flu. His parents are not worried about Akio getting it again because he built up an immunity to this flu strain.Which explains the type of immunity he built up?

A
active because he built up antibodies due to exposure to the flu
B
active because his parents vaccinated him against the flu
C
passive because his mother passed on the flu antibody
D
passive because he had antibodies added to his blood
7

James was exposed to a pathogen when he was 10 years old and felt ill.What would most likely happen if he were exposed to the same pathogen when he is 12 years old?

A
His body would destroy the pathogen before he felt symptoms.
B
His reaction to the pathogen would be worse than the first.
C
His antibodies would decrease, since he had been exposed already.
D
New types of antibodies would be made in response to the second exposure.
8

Which of these engulf bacteria and break them down?

A
lymphocytes
B
phagocytes
C
T-cells
D
B-cells
9

Which substances are contained in saliva and tears to break down pathogens?

A
enzymes
B
acids
C
oils
D
sweat
10

Which would indicate that a vaccine is protecting a person from future disease?

A
an increase in antibodies
B
the production of a fever
C
the production of phagocytes
D
an occurrence of inflammation

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