AnswersScience 7 B M12 2526 S2The Immune System

The Immune System Answers

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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
2
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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
3

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

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

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
5

waxbilemucuspus

A
wax
B
bile
C
mucus
D
pus
6

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

A
enzymes
B
acids
C
oils
D
sweat
7

When studying the immune system in class, Peta concluded that T-cells are more specific to the pathogen than inflammation is.What did Peta most likely learn that led to this conclusion?

A
T-cells are made to identify antibodies, while inflammation starts a fever.
B
T-cells are made to identify antigens, while inflammation starts to make antibodies.
C
T-cells make antibodies that cause a fever, while inflammation identifies antigens on the pathogens.
D
T-cells are made to identify antigens, while inflammation fights anything in the affected area.
8

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.
9

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
10

Which of these is a weakened or dead form of a pathogen that causes an immune response?

A
antibody
B
vaccine
C
antigen
D
inflammation

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