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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. 

Blood, bone, and cartilage are examples of
a.
three different tissue types found in the body.
b.
connective tissue.
c.
epithelial tissue.
d.
organs of the body.
 

 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.
 
 
bio10a-05_files/i0040000.jpg
 

 3. 

Refer to the illustration above. The material labeled A, which fills the center and spaces at ends and produces blood cells, is known as
a.
exocrine material.
c.
bone marrow.
b.
cartilage.
d.
spongy bone.
 

 4. 

Refer to the illustration above. The structure labeled C is a
a.
nerve.
c.
muscle.
b.
blood vessel.
d.
ligament.
 

 5. 

compact bone : periosteum ::
a.
periosteum : compact bone
c.
spongy bone : marrow
b.
compact bone : spongy bone
d.
marrow : spongy bone
 

 6. 

Bone loss may be slowed by
a.
calcium.
c.
a balanced diet.
b.
regular exercise.
d.
All of the above
 

 7. 

Muscles that function by bending joints, such as the biceps, are categorized as
a.
flexors.
c.
extensors.
b.
abductors.
d.
adductors.
 

 8. 

Repeating units of myosin and actin filaments bound by two Z lines are
a.
muscles.
c.
sarcomeres.
b.
myofibrils.
d.
extensors.
 

 9. 

The oil gland
a.
often is responsible for the formation of acne.
b.
is found in adults and teenagers.
c.
may be affected by high levels of sex hormones.
d.
All 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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