The Immune System Answers

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1
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What does the immune system protect the body from?

A
infections and disease
B
lymphocytes and granulocytes
C
antibodies and antigens
D
vaccines and immunizations
2
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What are antibodies?

A
white blood cells that engulf foreign pathogens
B
tissues of the bone marrow that produce blood cells
C
proteins that help the immune system fight infections
D
vessels that carry lymph to the heart
3

Which is not a part of the immune system?

A
spleen
B
bone marrow
C
thymus
D
tongue
5

Blood is a mixture of cells and a liquid called plasma, which is

A
produced in the bone marrow.
B
a lymphoid tissue.
C
produced in the spleen.
D
mostly water.
6

What are the basic types of immune system cells? Select all that apply.

A
lymphocytes
B
red blood cells
C
granulocytes
D
monocytes
E
antigens
7

Which statements are true of lymph nodes? Select all that apply.

A
They filter lymph as it flows back to the heart.
B
They are packed with T-cells and B-cells.
C
They produce red blood cells.
D
They are all located in the spleen.
E
They can become inflamed when fighting foreign material or pathogens.
F
They are grouped in the neck, chest, abdomen, armpits, and groin.
8

What are some of the potential signs and symptoms of tonsillitis? Select all that apply.

A
difficulty swallowing
B
swollen tonsils
C
painful inflammation
D
difficulty breathing
E
headache
F
leg cramps
9

Which are true statements concerning acquired immunity? Select all that apply.

A
It is an innate (present at birth) response system.
B
It is a targeted response to a specific antigen.
C
It uses humoral and cell-mediated immunity.
D
It has no memory of prior pathogen encounters.
E
It employs B-cells and T-cells.
10

What is the first step in producing a vaccine against an infectious disease?

A
inactivating the disease agent
B
testing for vaccine side effects
C
finding and isolating the disease agent
D
isolating antigens
12

Which systems have the most overlap (shared cells and organs)?

A
circulatory and immune
B
lymphatic and circulatory
C
immune and lymphatic
13

The lymphatic system is defined as consisting of which components? Select all that apply.

A
T-cells and B-cells
B
lymphatic circulation
C
cells mixed with plasma
D
lymphoid tissues
E
antibodies and complement
14

Immunization programs strive to create herd immunity, which is

A
a program in which stronger vaccines produce greater protection.
B
a condition that makes it difficult for a pathogen to spread.
C
a program that enforces isolation of sick members of the population.
D
a condition in which everyone in a population has innate immunity.
15

What is lymph?

A
oxygen-rich blood on its way to body tissues
B
plasma circulating in lymphatic vessels
C
a lymphoid tissue that filters blood
D
an organ that hosts lymphocytes
16

Where are white blood cells produced?

A
lymph nodes
B
bone marrow
C
spleen
D
tonsils
17

Which are autoimmune disorders? Select all that apply.

A
rheumatoid arthritis
B
ulcerative colitis
C
HIV
D
Crohn’s disease
E
type 1 diabetes
F
leukemia
19

Which cells or organs are considered to be part of both the immune and lymphatic systems? Select all that apply.

A
arteries
B
lymph nodes
C
capillaries
D
tonsils and adenoids
E
veins
F
thymus

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