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Multiple Choice Feedback Quiz
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1

Cells of the ____ are continually being damaged and replaced.
A)dermis
B)subcutaneous layer
C)stratum corneum
D)basal layer
2

The epidermis fights microbes by
A)making the surface of the skin acidic.
B)excreting lysozyme to attack bacteria.
C)producing mucus to trap microorganisms.
D)all of the above
3

Which of the following is not a white blood cell?
A)macrophage
B)neutrophil
C)natural killer cell
D)erythrocyte
4

Which type of cell releases bleach-like chemicals that kill surrounding bacteria and the cell itself in the process?
A)macrophages
B)neutrophils
C)natural killer cells
D)erythrocytes
5

Which one of the following acts as the "alarm signal" to activate the body's immune system?
A)interleukin-1
B)B cells
C)helper T cells
D)neutrophils
6

The cell surface of a T cell contains
A)glycoproteins.
B)MHC proteins.
C)T receptor proteins.
D)all of the above
7

Cytotoxic T cells are called into action by the
A)presence of interleukin-1.
B)presence of interleukin-2.
C)presence of neutrophils.
D)decrease in the number of B cells.
8

Which one of the following is not an autoimmune disease?
A)scurvy
B)type 1 diabetes
C)allergies
D)asthma
9

Cells that initiate the inflammatory response by releasing histamines are
A)mast cells.
B)memory B cells.
C)T cells.
D)natural killer cells.
10

Which one of the following is a way you can commonly contract AIDS?
A)through infected needles and unprotected sex
B)through infected needles and unprotected sex
C)by sharing food or drink with infected individuals
D)through contact with the tears, saliva, or urine of infected individuals
11

Skin is the largest organ of the human body.
A)true
B)false
12

Wrinkling of the skin, such as happens with age, occurs in the epidermal layer.
A)true
B)false
13

A fever is the body's attempt to make conditions less favorable for bacteria to reproduce.
A)true
B)false
14

Neutrophils are the body's most potent defense against cancer cells.
A)true
B)false
15

Membrane attack complexes (MACs) occur when white blood cells come in contact with bacteria.
A)true
B)false
16

The redness and swelling of an inflammation is caused by the body's reaction to chemicals being released by microbes.
A)true
B)false
17

Major histocompatibility proteins (MHCs) allow macrophages to identify the naturally occurring cells in your body as well as foreign cells.
A)true
B)false
18

Antibody response to viral infection is carried out by the T cells.
A)true
B)false
19

Antibodies attach themselves to pathogen cells and mark them for destruction.
A)true
B)false
20

HIV only affects white blood cells with the CD4 receptors in their membranes.
A)true
B)false





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