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WorksheetsMuscles
Total questions: 20
Worksheet time: 14mins
Name
Class
Date
1.
Muscles in your body move in _________.
a)
points
b)
their own way
c)
pairs
2.
What type of muscle can be found in the heart?
a)
Smooth
b)
Skeletal
c)
Cardiac
3.
Smooth muscle can be found in the:
a)
Intestines
b)
Heart
Heart
c)
Bicep
d)
Brain
4.
Each muscle fiber is directly surrounded by connective tissue called the
a)
perimysium
b)
fascia
c)
endomysium
d)
epimysium
5.
Flexion...
a)
Decreases angle of the joint
b)
Increases angle at the joint
c)
Moves limb away from midline
d)
Moves limb toward midline
6.
What are the three types of muscle?
a)
Smooth, Hard, Cardiac
b)
Cardiac, Smooth, Skeletal
c)
Skeleton, Heart, Bladder
7.
___are thin filaments.
a)
troponin
b)
tropomyosin
c)
actin
d)
myosin
8.
___are thick filaments.
a)
actin
b)
myosin
c)
troponin
d)
tropomyosin
9.
___forms a crossbridge with actin.
a)
actin
b)
myosin
c)
calcium
d)
ATP
10.
___provides energy for muscle contraction and relaxation.
a)
cAMP
b)
ADP
c)
ATP
d)
M line
11.
The gap between a neuron and a muscle cell: (#4 in the diagram)
a)
synaptic cleft
b)
sarcolemma
c)
vesicle
d)
Ca2+ ion
12.
The neurotransmitter stored in the axon terminal identified as #3
a)
Acetylcholine
b)
Protein Channel
c)
Calcium Ion (Ca2+)
d)
Syanptic Cleft
13.
The organelle containing actin and myosin identified as #9
a)
ACh
b)
Sarcolemma
c)
Vesicle
d)
Myofibril
14.
Contractile unit of a muscle.
a)
sarcomere
b)
motor unit
c)
fascicle
d)
myofibril
15.
A bundle of muscle cells.
a)
sarcomere
b)
fiber
c)
fascicle
d)
Tendon
16.
The plasma membrane of a skeletal muscle cell is called the:
a)
sarcomere
b)
myofilament
c)
sarcolemma
d)
sarcoplasm
17.
What two chemicals are necessary for muscle contraction to occur?
a)
Niacin and Potassium
b)
Calcium and ATP
c)
Sodium and Potassium
d)
Ach and Potassium
18.
The actin is represented by the letter
a)
A
b)
B
c)
C
d)
D
19.
The connective tissue that surrounds each fascicle is called?
a)
Fascia
b)
Epimysium
c)
Perimysium
d)
Endomysium
20.
Which type of Muscle tissue is this
a)
Skeletal Muscle
b)
Smooth Muscle
c)
Cardiac Muscle
d)
Unable to judge
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