Diseases — Unit test Answers

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1
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Which is an example of a pandemic?

A
whooping cough
B
Black Death
C
smallpox
D
diabetes
2
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Which is the last section of the digestive system?

A
small intestine
B
liver
C
large intestine
D
rectum
3

Which are characteristics of the integumentary system? Select two options.Skin’s outer layer has living cells.Hair helps regulate temperature.Oil glands produce sweat and oil.Nails protect nerves.Hair stays on the head for two months.

A
Skin’s outer layer has living cells.
B
Hair helps regulate temperature.
C
Oil glands produce sweat and oil.
D
Nails protect nerves.
E
Hair stays on the head for two months.
4

sugarurinebloodsaliva

A
sugar
B
urine
C
blood
D
saliva
5

Which level of organization is directly below organ system?

A
organelle
B
cell
C
tissue
D
organ
6

The picture represents gas exchange in the alveoli. Observe what is happening at location X.

Question illustration
A
It will move out of the body.
B
It will enter the blood.
C
It will be carried to cells.
D
It will undergo respiration.
7

The brain and spinal cord work together to allow the body to think and react to the environment.

Question illustration
A
a cell
B
a tissue
C
an organ
D
an organ system
8

The biceps brachii is the muscle that moves the arm up and down.Which type of muscle tissue makes up the biceps?

A
smooth
B
skeletal
C
nonstriated
D
cardiac
9

Which best explains how the body maintains homeostasis?

A
All systems work together to stabilize the body.
B
Each system works independently to stabilize the body.
C
All systems work together to match the external environment.
D
Each system works independently to match the external environment.
10

Where would you most likely find infectious agents? Check all that apply.in salivain mucuson a door handleon a water fountainon a genein sewagein animal waste

A
in saliva
B
in mucus
C
on a door handle
D
on a water fountain
E
on a gene
F
in sewage
G
in animal waste
11

Jasmine is healthy, but while outside, her internal body temperature rises above 38°C. What is most likely happening to help her return to homeostasis?

A
shivering
B
sweating
C
getting goosebumps
D
hair standing up
12

In the heart, one ventricle pushes blood with oxygen to the cells of the body. Where does the other ventricle push the blood without oxygen?

A
to the cells
B
to the tissues
C
to the lungs
D
to the heart
13

Which would be the best treatment for strep throat but not diabetes?

A
chemotherapy
B
antibiotics
C
diet
D
exercise
14

During digestion, water is both added and removed. Which area of the digestive system removes water?

A
mouth
B
esophagus
C
liver
D
large intestine
15

Gerald is admitted to the hospital because he has pneumonia. His blood work shows a low number of T-cells.The doctor wants to order a test to see if Gerald is HIV positive. Why would the doctor do this?

A
HIV attacks T-cells. If Gerald has HIV, he will have a lower T-cell count, and his immune system will be less able to protect him from other diseases.
B
HIV attacks the pneumonia virus and uses cells to reproduce. If Gerald has HIV, he will also have pneumonia.
C
Gerald may have taken antibiotics for HIV. These antibiotics would make his immune system more susceptible to pneumonia.
D
Bacteria create an infection that strengthens the immune system to fight off HIV, but not pneumonia. This is why Gerald still has pneumonia.

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