AnswersHealthy Living full year EL2081Unit Test

Preventing Communicable Diseases Answers

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1
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The inflammatory response involves chemical and physical barriers that help protect the body from harmful substances. Please select the best answer from the choices provided.

A
T
B
F
2
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Select the statement that BEST describes the specific roles of white blood cells in the immune response.

A
Platelets and antigens are types of white blood cells that control the immune response.
B
T cells and C cells produce antigens that are able to recognize and attack cells with antibodies.
C
Platelets and red blood cells produce antigens, which allows T cells and B cells to recognize antibodies.
D
T cells attack antigens on foreign substances and B cells produce antibodies.
3

In order to maintain optimal community health, the BEST plan for communities would be to __________.

A
decrease vaccinations and research new treatments and cures
B
create laws that control public behavior, like hand washing and blowing your nose
C
provide community support to elders who are sick and need healthcare treatment
D
provide health services and regulate food and water supplies
4

Avoiding vaccinations during flu season can help you cut down the risk of contracting this communicable disease. Please select the best answer from the choices provided.

A
T
B
F
5

Why are regular visits to the doctor important for maintaining your optimal immune health?

A
to be sure that your overall health is good and to receive the necessary vaccinations
B
to identify any problems with your immune system early and to increase the stress you are under
C
to help avoid making contact with sick people and evaluate your weight
D
to check on the status of your growth and maintain your weight
6

A radio announcement advises people to boil their water before drinking it or cooking with it. Which of the following BEST explains why a health services department would broadcast this announcement?

A
It wants to help prevent the spread of communicable diseases through contaminated water.
B
It wants to regulate how water is used to ensure that it is not wasted.
C
It wants to help people prevent the spread of communicable diseases through contaminated food.
D
It wants to help people recover from an illness by drinking clean, safe water.
7

An individual was exposed to a contagious disease but did not become infected. The agent was unable to enter the body and grow because it was stopped by the person's skin. This is an example of how a __________ can prevent disease.

A
chemical barrier
B
physical barrier
C
protective behavior
D
medication Please select the best answer from the choices provide.d
8

Getting enough rest and eating healthy foods help to maintain a healthy immune system. Please select the best answer from the choices provided.

A
T
B
F
9

If asked whether exercise is important for keeping optimal immune health, what would be the BEST answer?

A
No, the only way to boost immune health is to receive regular doctor's checkups.
B
No, the only way to boost your immune system is to eat a healthy diet.
C
Yes, daily exercise can boost your immune health.
D
Yes, daily exercise increases stress, which can increase your immune health.
10

Which of the following terms is NOT used to refer to white blood cells?

A
T Cell
B
Phagocyte
C
Platelet
D
B Cell

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