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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. 

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
 

 2. 

Yellow marrow
a.
provides internal support to spongy bone.
b.
produces red blood cells.
c.
is found only in lower vertebrates.
d.
consists mainly of fat that stores energy.
 

 3. 

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.
 
 
bio10a-02_files/i0050000.jpg
 

 4. 

Refer to the illustration above. The joint shown in D would most likely be found in the
a.
shoulder.
c.
knee.
b.
elbow.
d.
wrist.
 

 5. 

Tendons connect
a.
bone to bone.
c.
muscle to muscle.
b.
muscle to bone.
d.
cartilage to bone.
 

 6. 

flexors : bend ::
a.
immovable joints : bend
b.
slightly movable joints : be immovable
c.
extensors : straighten
d.
sutures : move a great deal
 

 7. 

Sweat glands contribute to body odor because their secretions contain
a.
carbohydrates and nucleic acids.
c.
proteins and fatty acids.
b.
water.
d.
All of the above
 

 8. 

Hair and nails are produced by the cells of the
a.
dermis.
c.
subcutaneous glands.
b.
subcutaneous level.
d.
epidermis.
 

 9. 

Goose bumps are caused by
a.
excessive oil production.
c.
the loss of keratin from the dermis.
b.
tiny muscles in the dermis.
d.
None of the above
 

 10. 

Overexposure to sunlight may cause all of the following except
a.
mutations in the skin cells.
c.
acne.
b.
premature aging of the skin.
d.
skin cancer.
 



 
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