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A&PII Ch.20 and 21

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Cells that ingest and destroy foreign materials are called ________.

a)

erythrocytes

b)

thrombocytes

c)

phagocytes

d)

basophils

2.

Lymphatic vessels turn into lymphatic ____

a)

Trunks

b)

Ducts

c)

Arteries

d)

Tubes

3.

MALT stands for:

a)

mucosa- addressed lymphatic tissie

b)

mucous- associated lymphatic tonsils

c)

mucosa-associated lymphatic tissue

d)

mucous-associated lymphatic tissue

4.

Which of the following is a thin watery fluid, composed of intercellular fluid?

a)

Lymph

b)

Lymph capillaries

c)

Lymph vessels

d)

Lymph nodes

5.

Which lymphatic organ is mass of lymphatic tissue located in the center of the upper chest?

a)

Tonsil

b)

Thymus

c)

Spleen

d)

Peyer's patch

6.

bone marrow

a)

long-term immunity which results in the production of antibodies due to being exposed to an antigen (ex: illness or immunization)

b)

short term immunity which occurs from the introduction of antibodies from another person/animal

c)

the tissue found in the cavity of long bones and produces B-cells

d)

the plasma which escapes the capillary walls

7.

interstitial fluid

a)

long-term immunity which results in the production of antibodies due to being exposed to an antigen (ex: illness or immunization)

b)

short term immunity which occurs from the introduction of antibodies from another person/animal

c)

the tissue found in the cavity of long bones and produces B-cells

d)

the plasma which escapes the capillary walls

8.

primary lymphoid organ

a)

organs which produce and mature lymphocytes

b)

organs which allow for further maturation of the body's lymphocytes

c)

the gland in the neck which produces and matures T-cells

9.

secondary lymphoid organ

a)

organs which produce and mature lymphocytes

b)

organs which allow for further maturation of the body's lymphocytes

c)

the gland in the neck which produces and matures T-cells

10.

The spleen is made up of what tissues?

a)

red pulp and white pulp

b)

epithelial tissue

c)

muscle tissue

11.
What part of the lymphatic system filters foreign material from blood and destroys old RBCs?
a)
spleen
b)
lymph nodes
c)
thymus 
d)
lymphatic vessels
12.
How is lymph moved through lymphatic vessels?
a)
Contractions of the small intestine
b)
Blood cells carry lymph through the vessels
c)
Contractions of the heart
d)
Contractions of skeletal muscle around the vessels
13.

The response to an infection. Causes the area to redden, swell, and feel warm.

a)

Fever

b)

Mucus

c)

Dilation

d)

Inflammation

14.

Which is NOT considered FIRST line of defense?

a)

Helper T-Cells

b)

Skin

c)

Hair

d)

Mucous Membranes

15.

Antigens are ____.

a)

immunoglobulins.

b)

used by the immune system to neutralize foreign objects.

c)

foreign molecules that can initiate an immune response.

d)

produced by white blood cells.

16.

The immune response that is rapid but generic is called ____.

a)

acquired

b)

adaptive

c)

individual

d)

innate

17.

The ability of one person to produce over a million different antibody molecules does not require over a million different genes; rather, this wide range of antibody production is due to ________.

a)

increased rate of mutation in the RNA molecules

b)

genetic DNA recombination

c)

alternative splicing of exons after transcription

d)

rearrangements of cytosolic proteins in the thymus cells

18.

Arrange these components in the correct sequence of the mammalian immune system as it first responds to a pathogen.

I.    Pathogen is destroyed.

II.  Lymphocytes secrete antibodies.

III. Antigens from the pathogen bind to receptors on lymphocytes.

IV. Lymphocytes specific to antigens from the pathogen become numerous.

V.  Only memory cells remain.

a)

III → II → I → V → IV

b)

III → IV → II → I → V

c)

II → I → IV → III → V

d)

I → III → II → IV → V

19.

the basic structure of antibodies are

a)

Y-shaped

b)

X-shaped

c)

linear

d)

hyperbolic

20.

A T lymphocyte which has not encountered an antigen yet

a)

Novice

b)

Small

c)

Stem

d)

Naive