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Bio10A:  Functions of systems in organisms

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
The three types of muscle tissue are
a.
skeletal, smooth, and cardiac.
c.
smooth, cardiac, and involuntary.
b.
skeletal, voluntary, and cardiac.
d.
skeletal, cardiac, and ridged.
 

 2. 
Smooth muscle
a.
can change the diameter of blood vessels.
b.
moves food through the digestive tract.
c.
is not under conscious control.
d.
All of the above
 

 3. 
The heart and lungs are protected by the
a.
pectoral girdle.
c.
rib cage.
b.
pelvic girdle.
d.
periosteum.
 

 4. 
The periosteum is the tough exterior membrane that surrounds bones and that contains
a.
blood vessels.
c.
spongy bone.
b.
osteocytes.
d.
red bone marrow.
 

 5. 
Women are more susceptible than men to the effects of osteoporosis because
a.
their bones are smaller than those of men.
b.
they lose calcium during the child-bearing years.
c.
sex hormone production declines during menopause.
d.
All of the above
 

 6. 
The loss of bone density that may occur in the later years of life is called
a.
menopause.
c.
bone fractures.
b.
bone replacement.
d.
osteoporosis.
 
 
bio10a-08_files/i0080000.jpg
 

 7. 
Refer to the illustration above. The elbow is a hinge joint that allows your hand to turn over. It is shown in figure
a.
A.
c.
C.
b.
B.
d.
D.
 

 8. 
If you want to increase your cardiovascular endurance, the best type of exercise is
a.
anaerobic.
c.
resistance.
b.
aerobic.
d.
None of the above
 

 9. 
The functions of the skin include
a.
defense against microbes.
c.
prevention of dehydration.
b.
regulation of body temperature.
d.
All of the above
 
 
bio10a-08_files/i0120000.jpg
 

 10. 
Refer to the illustration above. Which of the structures are composed mainly of dead cells?
a.
structures A and F
b.
structures B and H
c.
structures C and D
d.
Skin is a living organ that does not have any dead cells.
 



 
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