Meeks Heit Health & Wellness

Lesson 44: Avoiding Communicable Diseases

Self-Check Quiz

1
How can being careless when cooking cause illness?
A)By undercooking meat
B)By spreading bacteria if you don't clean surfaces and dishes well
C)By spreading a virus if you don't wash your hands
D)All of the above
2
The first line of defense against pathogens infecting the body is ___________.
A)stomach acids
B)macrophages
C)the skin
D)lymphocytes
3
It is very rare for a person to become infected with chickenpox after being infected once. This is called ____________.
A)active immunity
B)vaccination
C)passive immunity
D)all of the above
4
Why can't your doctor give you a prescription for a cold?
A)There is no medicine that will kill bacteria
B)There is no medicine that is effective against a virus
C)It would be an illegal drug
D)There is no medicine that will kill protozoa
5
Why do fungi affect plants, animals, and humans?
A)It's a virus
B)It releases toxins
C)It needs organic material to live
D)It needs inorganic material to live
6
If your body had no macrophages, you could not __________.
A)get cancer
B)recover from a cold
C)have immunity
D)get a cold
7
Two types of _________ are B cells and helper T cells.
A)vaccines
B)skin cells
C)lymphocytes
D)macrophages
8
Which of the following is caused by a parasite?
A)malaria
B)cancer
C)chicken pox
D)strep throat
9
If a person's white blood cell count is 25,000, it may be an indication of __________.
A)passive immunity
B)inactive immunity
C)high red blood cell count
D)infection
10
Which of the following is a way your immune system protects you from pathogens?
A)By growing the beneficial kind of bacteria
B)By getting a vaccine
C)Using red blood cells
D)By trapping them before they enter the lungs
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