Topic Test Answers

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Select the description that would represent a pathogen that would be considered a virus.

A
genetic material that is surrounded by a protein coat and uses a host cell to reproduce
B
a single-celled organism that infects animals and plants
C
an organism that feeds off others in order to gain its nutrients
D
a single-celled organism that can be a parasite
4

If you wanted to reduce your risk of contracting a communicable disease you could __________.

A
take steps to reduce your immune health
B
avoid touching your shoes or clothing
C
wash your hands often
D
start smoking
6

Which statement is TRUE regarding contagious infections?

A
Bacterial infections are common and are best treated with antiviral medications.
B
Viral infections are highly variable and need to be treated with antibiotics that are specific for the particular virus.
C
Treatment for fungal infections varies depending on their location and severity.
D
Protozoan infections are uncommon and can be treated and prevented with vaccines.
9

Pathogens can be given off and carried in the air when an infected individual __________.

A
comes in contact with another individual
B
has an open sore that is bleeding
C
coughs or sneezes into the air
D
is carried by one host to infect another
10

Antiviral medications are a common treatment for __________.

A
influenza
B
bacterial pneumonia
C
strep throat
D
the common cold
15

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.
19

If your doctor asks you if a tick or mosquito has bitten you recently, what might she be trying to figure out?

A
if you have contracted a vector-borne pathogen
B
if you are infected with a blood-borne pathogen
C
if you have been exposed to airborne pathogen
D
if you have come in contact with a pathogen carried on surfaces
20

White blood cells use __________ to help identify foreign substances in the body.

A
platelets and white blood cells
B
antibodies and antigens
C
enzymes and red blood cells
D
white blood cells and red blood cells

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