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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. 
Tissue that is specialized to cover the inner and outer surfaces of the internal organs is called
a.
epithelial tissue.
c.
muscle tissue.
b.
connective tissue.
d.
nerve tissue.
 

 2. 
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.
 

 3. 
Bone cells that become embedded within the concentric layers of bone tissue are
a.
osteocytes.
c.
red marrow cells.
b.
periosteal cells.
d.
yellow marrow cells.
 

 4. 
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
 
 
bio10a-01_files/i0060000.jpg
 

 5. 
Refer to the illustration above. The joint shown in A is an example of a
a.
suture joint.
c.
pivot joint.
b.
ball-and-socket joint.
d.
plant joint.
 

 6. 
A muscle can
a.
push a bone.
b.
pull a bone.
c.
both push and pull a bone simultaneously.
d.
sometimes push and sometimes pull a bone.
 

 7. 
The origin of a muscle
a.
is at the opposite end of the muscle from the insertion.
b.
is located on a bone that remains stationary when the muscle contracts.
c.
does not move when the muscle contracts.
d.
All of the above
 

 8. 
Actin and myosin
a.
are found in the sarcomeres.
c.
interact during muscle contraction.
b.
are proteins.
d.
All of the above
 

 9. 
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
 

 10. 
The most effective way to reduce the risk of skin cancer includes
a.
using a sunscreen.
b.
increasing exposure to sunlight gradually.
c.
minimizing exposure to sunlight.
d.
All of the above
 



 
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