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Chapter 20 Review
Test Description: Test Review for Chapter 20
Instructions: Answer all questions to get your test result.
1) Fingernails are a component of the ________ system.
A
respiratory
B
skeletal
C
muscular
D
integumentary
2) The structural and functional unit of nervous tissue is the
A
axon.
B
dendrite.
C
nerve.
D
neuron.
3) The main function of muscle tissue is
A
support.
B
contraction.
C
sensation.
D
covering surfaces.
4) Smooth muscle is responsible for
A
involuntary body activities.
B
voluntary body activities.
C
the pumping action of the heart.
D
an athlete's ability to run a 100-meter dash.
5) Which of the following is a type of connective tissue?
A
epithelial tissue
B
plasma
C
muscle tissue
D
adipose tissue
6) Stratified squamous epithelium is well-suited for
A
secreting mucus.
B
lining body surfaces subject to abrasion.
C
exchanging materials by diffusion.
D
lining our lungs.
7) Structure in the living world is organized into hierarchical levels. Which of the following lists these from least inclusive to most inclusive?
A
cell, tissue, organ, organ system, organism
B
cell, tissue, organ system, organ, organism
C
cell, organ, organ system, tissue, organism
D
cell, organ, organ system, tissue, organism
8) Geckos are able to walk up walls and across ceilings because of
A
the sticky adhesive secretions on their feet.
B
the little suction cups on their toes.
C
their sharp toenails that grasp surfaces.
D
the many hairs on their toes that form bonds with the wall and ceiling surface.
9) Homeostasis
A
is the way the internal environment influences the external environment.
B
is the maintenance of a relatively constant internal state.
C
occurs when the internal environment changes to match the external environment
D
results from hormone imbalance.
10) Cells receive material such as food, minerals, and oxygen from the outside world through
A
matrix fibers.
B
water.
C
interstitial fluid.
D
neurons.
11) Which organ system removes nitrogen-containing waste products from blood?
A
urinary system
B
lymphatic system
C
integumentary system
D
muscular system
12) The respiratory system includes all of the following structures except the
A
esophagus.
B
larynx.
C
trachea.
D
lung.
*select an answer for all questions
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