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WorksheetsA&P Muscular System
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Smooth muscle has the following characteristic
a)
striations
b)
involuntary action
c)
strong contractions
d)
many nuclei
2.
Striations are responsible for the following muscle cell function:
a)
excitability
b)
multicellularity
c)
contraction
d)
homeostasis
3.
Which ion stimulates the binding of actin to myosin?
a)
potassium
b)
calcium
c)
iron
d)
sodium
4.
Which of the following is NOT a property of skeletal muscle?
a)
mostly involuntary
b)
striated
c)
multicellular
d)
makes up over half of the body's weight
5.
Which of the following best describes the role of ATP energy in a muscle contraction?
a)
It binds actin to myosin.
b)
It permits inward movement of the Z-lines
c)
It stimulates the neurotransmitter receptor.
d)
It blocks the action of calcium.
6.
What type of fibrous connective tissue surrounds the fascicles of muscles?
a)
endomysium
b)
perimysium
c)
epimysium
d)
famysium
7.
The outermost layer of connective tissue of a
muscle is the:
muscle is the:
a)
fascicle.
b)
epimysium.
c)
endomysium.
d)
perimysium.
8.
The muscle primarily responsible for a movement
is the:
is the:
a)
prime mover (agonist).
b)
synergist.
c)
antagonist.
d)
origin.
9.
Which muscle type is not striated?
a)
Skeletal
b)
Smooth
c)
Cardiac
10.
Which muscle type is found in the heart?
a)
Skeletal
b)
Smooth
c)
Cardiac
11.
Which muscle type is voluntary?
a)
Skeletal
b)
Smooth
c)
Cardiac
12.
Which muscle type is found in the internal organs, blood vessels, and airways?
a)
Skeletal
b)
Smooth
c)
Cardiac
13.
a)
Pectorals
b)
Rectus Abdominis
c)
Quadriceps
d)
Trapezius
14.
Muscles always work in _____
a)
pairs
b)
groups of 3
c)
bones
d)
joints
15.
Moving a limb away from midline
a)
Pronation
b)
Abduction
c)
Adduction
d)
Flexion
16.
Movement of a limb toward the body midline
a)
Abduction
b)
Flexion
c)
Adduction
d)
Pronation
17.
Movement of bone around its longitudinal axis (ball and socket joint)
a)
Circumduction
b)
Flexion
c)
Rotation
d)
Supination
18.
What connects skeletal muscle to bone?
a)
Tendons
b)
Ligaments
c)
Z lines
d)
Blood vessels
19.
How many muscles are in the body that move?
a)
Over 200
b)
Over 500
c)
Over 600
d)
Over 400
20.
A bundle of muscle fibers is called __________.
a)
Sarcomere
b)
Fascicle
c)
Tendon
d)
Muscle body
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