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24/25 Unit 3 Exam (fall final) review

Total questions: 125

Worksheet time: 2hrs 47mins

Name
Class
Date
1.

Identify the bone

A
B
C
D
E
F
G
H
I
2.

Identify the perimysium

A
B
C
D
E
F
G
H
I
3.

Identify the blood vessel

A
B
C
D
E
F
G
H
I
4.

Identify the muscle fiber

A
B
C
D
E
F
G
H
I
5.

Identify the fascicle

A
B
C
D
E
F
G
H
I
6.

Identify the endomysium

A
B
C
D
E
F
G
H
I
7.

Identify the epimysium

A
B
C
D
E
F
G
H
I
8.

Identify the tendon

A
B
C
D
E
F
G
H
I
9.

Identify the sarcolemma

A
B
C
D
E
F
G
H
I
10.

Found in the heart

a)

smooth

b)

cardiac

c)

skeletal

d)

all

11.

Found attached to bones throughout the body

a)

smooth

b)

cardiac

c)

skeletal

d)

all

12.

Found in the walls of hollow organs; also called visceral

a)

smooth

b)

cardiac

c)

skeletal

d)

all

13.
What are the 3 types of muscles?
a)
Skeletal, muscular, ligament
b)
Skeletal, smooth, cardiac
c)
Smooth, Cellular, Cerebrum
d)
Cardiac, smooth, brain stem
14.
A sarcomere is
a)
A protein filament or fiber
b)
The basic contractile unit of muscle contraction
c)
An organelle
d)
An organ
15.
The part of the sarcomere that A (green) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
16.
The part of the sarcomere that B (Orange) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
17.
The part of the sarcomere that C (Blue) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
18.
The part of the sarcomere that D (Red) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
19.
What zone/band of the sarcomere is represented by yellow.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
20.
What zone/band of the sarcomere is represented by pink.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
21.
What zone/band of the sarcomere is represented by light brown.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
22.
What state is the sarcomere in #1
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
23.
What state is the sarcomere in #2
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
24.
What state is the sarcomere in #3
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
25.
What happens to the H zone during a sarcomere contraction?
a)
It disappears
b)
It gets closer together
c)
It gets bigger
d)
None of these
26.
What happens to the Z lines during a sarcomere contraction?
a)
It disappears
b)
gets closer together
c)
It gets bigger
d)
None of these
27.
Only thick filaments present
a)
Sarcomere
b)
H zone
c)
M line 
d)
Z disc
28.
The functional unit of the muscle cell is the: 
a)
Sarcomere
b)
Osteon
c)
Myofilament
d)
Muscle fiber
29.
Thin filaments in a myofibril are
a)
Sarcomeres
b)
Sarcoplasm
c)
Actin
d)
Myosin
30.
Thick filaments are in a myofibril are
a)
ATPase
b)
Sarcoplasmic reticulum
c)
Actin
d)
Myosin
31.
Actin or mysoin containing structure.
a)
Tendon
b)
myofilament
c)
myofibril
d)
Fiber
32.
The part of the sarcomere that A (green) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
33.
The part of the sarcomere that B (Orange) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
34.
The part of the sarcomere that C (Blue) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
35.
The part of the sarcomere that D (Red) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
36.
What zone/band of the sarcomere is represented by yellow.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
37.
What zone/band of the sarcomere is represented by pink.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
38.
What zone/band of the sarcomere is represented by pink.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
39.
What zone/band of the sarcomere is represented by light brown.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
40.
What state is the sarcomere in #1
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
41.
What state is the sarcomere in #2
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
42.
What state is the sarcomere in #3
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
43.

What's in the picture?

a)

synaptic vesicles

b)

neurotransmitters

c)

presynaptic neuron

d)

postsynaptic neuron

e)

synaptic cleft

44.

What's in the picture?

a)

synaptic vesicles

b)

neurotransmitters

c)

presynaptic neuron

d)

postsynaptic neuron

e)

synaptic cleft

45.

What's in the picture?

a)

synaptic vesicles

b)

neurotransmitters

c)

presynaptic neuron

d)

postsynaptic neuron

e)

synaptic cleft

46.

What's in the picture?

a)

synaptic vesicles

b)

neurotransmitters

c)

presynaptic neuron

d)

postsynaptic neuron

e)

synaptic cleft

47.

What's in the picture?

a)

synaptic vesicles

b)

neurotransmitters

c)

presynaptic neuron

d)

postsynaptic neuron

e)

synaptic cleft

48.

Chemicals released into a cleft when an action potential reaches the terminal are called.....

a)

ligand gated ion channels

b)

synaptic vesicles

c)

neurotransmitters

d)

voltage gated ion channels

49.

Three things that can occur when an action potential reaches a synapse are.....

a)

signal is delayed

b)

signal is stopped

c)

signal is transmitted

d)

signal is reversed

50.

Three things that a neuron can form a synapse with are....

a)

muscles

b)

glands

c)

other neurons

d)

surface of your skin

51.

Which side of the synapse contains neurotransmitters?

a)

presynaptic

b)

postsynaptic

c)

both

52.

Which side of the synapse contains ligand-gated ion channels?

a)

presynaptic

b)

postsynaptic

c)

both

53.

What causes the release of neurotransmitters into the cleft?

a)

an action potential reaches the terminal

b)

ligand gated ion channels open

c)

excititory neurotransmitters bind to ligand gated ion channels

d)

an action potential on the post synaptic neuron triggers nearby voltage gated ion channels

54.

which of the following explains why the action potential continues along the post synaptic neuron?

a)

an action potential reaches the terminal

b)

ligand gated ion channels open

c)

excititory neurotransmitters bind to ligand gated ion channels

d)

an action potential on the post synaptic neuron triggers nearby voltage gated ion channels

55.
A single neuron and all the muscle fibers it stimulates make up a(n) _______.
a)
motor unit
b)
motor neuron
c)
axon
d)
neuromuscular junction
56.

The part of the sarcolemma (the muscle cell membrane) that meets a motor neuron

a)

synaptic knob

b)

motor end plate

c)

synaptic cleft

d)

motor neural termination

57.

Muscles in the eye contain motor units with a motor neuron connected to only five muscle fibers. What type of control does a person have over these muscles?

a)

Very little control

b)

No control

c)

Extremely accurate control

d)

Moderate or average control

58.

A neurotransmitter that stimulates skeletal muscles

a)

Acetycholine

b)

ATP

c)

Cross bridge

d)

Neuromuscular junction

59.

Choose the arrangement that lists the events in the order they occur at a neuromuscular junction.

a)

action potential reaches the presynaptic terminal of a motor neuron

b)

acetylcholine moves across the synaptic cleft

c)

acetylcholine combines with a receptor molecule on a skeletal muscle.

d)

action potential produced in a skeletal muscle cell

e)

acetylcholine broken down

1)
2)
3)
4)
5)
60.
What is the name of the thick myofilaments?
a)
Actin
b)
Myosin
c)
Myoglobin
d)
Titan
61.
What is the name of the thin myofilaments in the muscle cell?
a)
Actin
b)
Myosin
c)
Myoglobin
d)
Titan
62.
When a muscle contracts, it _______
a)
gets longer
b)
gets shorter
c)
gets thinner
d)
grows hair
63.

Put steps of contraction in order.

a)

rest, nerve action, ACh released, transmitted, Ca released

b)

ACh released, Ca released, nerve action, transmitted, rest

c)

rest, nerve action, Ca released, ACh released, transmitted

d)

ACh released, Ca released, transmitted, nerve action, rest

64.

Match the following:

a)

  • a protein that makes up most of the thin filament. Binds with myosin head.

1.

Actin

b)

  • location on actin molecule that binds to the myosin head during cross-bridge formation.

2.

myosin binding site (on actin)

c)

  • ATP dependent protein that binds to actin during cross-bridge formation and pulls the thin filament towards the M-line.

3.

myosin

d)

  • a protein connected to troponin that prevents myosin from binding to acing when calcium is not present - covers the myosin binding site.

4.

tropomyosin

e)

  • Calcium dependent molecule that “shifts” tropomyosin away from the myosin binding site during contraction.

5.

troponin

65.
Question Image

Match the following

a)

  • spans the length of the thick filament (myosin). Does not change during contraction.

1.

A-Band

b)

  • spans thick filaments only that shrinks during contraction and lengthens during relaxation.

2.

H-zone

c)

  • span that includes the thin filaments and z-lines that shortens during contraction and lengths during relaxation.

3.

I-band

d)

  • “mid-line” of the sarcomere that anchors the thick filaments. During contraction the thin filaments move towards the m-line.

4.

M-Line

e)

  • the boundary of a sarcomere anchored to the thick filament by titin.

5.

Z-line

66.

Match the following

a)

  • the end of a nerve cell.

1.

Axon Knob

b)

  • a neurotransmitter that opens protein channels on the

    sarcolemma.

2.

Acetylcholine

(Ach

c)

  • the process of a vesicle fusing with a cell’s membrane to release chemical substances into the extracellular environment.

3.

Exocytosis

d)

  • the space between the con terminal bud and the sarcolemma.

4.

Synaptic cleft

e)

  • an opening of the sarcolemma that allows for the electrical impulse to travel to the sarcoplasmic reticulum

5.

T-Tubules

67.

Reorder the following steps (1-5) of a muscle contraction

a)

Nerve Impulse reaches Neuromuscular Junction

b)

Acetylcholine (ACH) Released by Motor Neuron

c)

ACH binds to Muscle Receptor Sites

d)

Action Potential charge travels down muscle cell

e)

Impulses reaches the SR and Ca+ channels open

1)
2)
3)
4)
5)
68.

Reorder the following (6-10) of the muscle contraction

a)

Ca+ ions diffuse from the SR and bind to troponin molecules

b)

Tropomyosin molecules move and expose specific sites on actin where myosin heads can bind

c)

Cross-bridges form, linking actin and myosin

d)

Actin filaments are pulled toward the center of the sarcomere by pulling of the cross-bridges, increasing the overlap of the thin and thick filaments

e)

The muscle fiber shortens as contractions occurs

1)
2)
3)
4)
5)
69.
Which is more true to cause muscle contraction?
a)
Actin Pulls on the myosin
b)
Myosin Pulls on the Titin
c)
Myosin Pulls on Actin
d)
Actin Pulls on Titin
70.
Which ion, when present, changes the conformation of tropomyosin?
a)
Calcium
b)
Sodium
c)
Potassium
d)
Lithium
71.
In order for tropomyosin to change conformation, calcium has to bind with...
a)
Voltage Gated Ion Channel
b)
Ligand Gated Ion Channel
c)
Troponin Protein
d)
Actin Protein
72.
What opens the Calcium Ion Transport Channel embedded in the pre-synaptic terminal?
a)
Binding of Acetylcholine
b)
Binding of Calcium Ion
c)
An Action Potential
d)
Binding of Sodium Ion
73.
Calcium that will eventually enter the muscle cell to bind with troponin is stored in the...
a)
T-Tubule of the Muscle Cell
b)
Sarcoplasmic Reticulum of the Muscle Cell
c)
The Sarcolemma of the Muscle Cell
d)
The interstitial space outside the muscle cell near the pre-synaptic terminal.
74.
During muscle contraction the 'Z' Lines will...
a)
Disappear
b)
Get Farther apart
c)
Get Closer Together
d)
Appear Thicker
75.
a neurotransmitter that stimulates skeletal muscles
a)
acetylcholine (Ach)
b)
ATP
c)
cross bridges
d)
neuromuscular junction
76.
the only energy source that can be used to directly power muscle activity
a)
acetylcholine (Ach)
b)
ATP
c)
cross bridges
d)
neuromuscular junction
77.
point where an axon terminals of a nerve cell and the sarcolemma of a skeletal muscle join
a)
acetylcholine (Ach)
b)
ATP
c)
cross bridges
d)
neuromuscular junction
78.
specialized smooth endoplasmic reticulum that surrounds each myofibril, it stores calcium and releases on demand
a)
sarcolemma
b)
sarcoplasmic reticulum
c)
thick filament
d)
thin filament
79.

Put steps of contraction in order.

a)

rest, nerve action, ACh released, transmitted, Ca released

b)

ACh released, Ca released, nerve action, transmitted, rest

c)

rest, nerve action, Ca released, ACh released, transmitted

d)

ACh released, Ca released, transmitted, nerve action, rest

80.

Where is calcium stored in the muscle cell?

a)

T Tubules

b)

Sarcoplasmic Reticulum (SR)

c)

Sarcolemma

d)

Sarcomere

81.

When the action reaches the muscle cell, it travels down the....

a)

Sarcolemma

b)

T Tubules

c)

Sarcoplasmic Reticulum

d)

Calcium Channel

82.

A calcium deficiency would

a)

create uncoordinated muscle contractions

b)

allow muscle contraction, but not relaxation

c)

prevent contraction by preventing myosin from binding to actin

d)

have no effect on contraction

83.

Another name for the prime mover is

a)

antagonist

b)

agonist

c)

synergist

d)

fixator

84.

A muscle that helps the agonist is called a

a)

antagonist

b)

agonist

c)

synergist

d)

fixator

85.

What is the opposing muscle group for the quadriceps?

a)

biceps

b)

lower back

c)

hamstrings

d)

obliques

86.

In knee flexion, which is the agonist? (the one contracting or getting shorter)

a)

hamstrings

b)

quadriceps

87.

What is the agonist and what is the antagonist in a bicep curl?

a)

biceps are the agonist, triceps are the antagonist

b)

triceps are the agonist, biceps are the antagonist

88.

The muscle that causes the action and does the majority of the work

a)

agonist

b)

antagonist

c)

synergist

d)

fixator

89.

A muscle can be a agonist for one movement and an antagonist for a different movement

a)

true

b)

false

90.

The agonist and antagonist work in __________ to create movement

a)

tandem

b)

random

c)

opposition

d)

synchronization

91.

This enzyme prevents acetylcholine dispersal and activation, therefore, preventing muscle contraction

a)

Calcium

b)

Tropomyosin

c)

Actin

d)

Acetylcholinesterase

92.

Identify the quadriceps

a)

5

b)

8

c)

6

d)

13

93.

Identify the hamstrings

a)

5

b)

8

c)

6

d)

13

94.

Identify the tibialis anterior

a)

5

b)

8

c)

6

d)

13

95.

Identify the gastrocnemius

a)

5

b)

8

c)

6

d)

13

96.

Identify the sternocleidomastoid

a)

1

b)

9

c)

7

d)

10

97.

Identify the trapezius

a)

1

b)

9

c)

7

d)

10

98.

Identify the deltoid

a)

3

b)

2

c)

11

d)

8

99.

Identify the pectorals

a)

3

b)

4

c)

7

d)

12

100.

Identify the biceps

a)

3

b)

4

c)

11

d)

12

101.

Identify the triceps

a)

3

b)

4

c)

11

d)

12

102.

Identify the abdominals

a)

3

b)

4

c)

11

d)

12

103.

Identify the latissimus dorsi

a)

3

b)

4

c)

11

d)

12

104.

This muscle group rotates the head and flexes the neck

a)

Trapezius

b)

Pectorals

c)

Sternocleidomastoid

d)

Latissimus dorsi

105.

This muscle group elevates, depresses, and retracts the scapula

a)

Trapezius

b)

Pectorals

c)

Sternocleidomastoid

d)

Latissimus dorsi

106.

This muscle group abducts the arms

a)

deltoid

b)

biceps

c)

triceps

d)

pectorals

107.

This muscle group flexes the shoulder (arms forward)

a)

deltoid

b)

biceps

c)

triceps

d)

pectorals

108.

This muscle group flexes the elbow

a)

deltoid

b)

biceps

c)

triceps

d)

pectorals

109.

This muscle group extends the elbow

a)

deltoid

b)

biceps

c)

triceps

d)

pectorals

110.

This muscle group bends the torso in a forward direction (think crunches), balance

a)

abdominals

b)

latissimus dorsi

c)

trapezius

d)

sternocleidomastoid

111.

This muscle group adducts the arms

a)

abdominals

b)

latissimus dorsi

c)

trapezius

d)

sternocleidomastoid

112.

This muscle group flexes the hip (legs forward)

a)

quadriceps

b)

hamstrings

c)

tibialis anterior

d)

gastrocnemius

113.

This muscle group extends the hip (legs back)

a)

quadriceps

b)

hamstrings

c)

tibialis anterior

d)

gastrocnemius

114.

This muscle group moves in a dorsiflexion motion

a)

quadriceps

b)

hamstrings

c)

tibialis anterior

d)

gastrocnemius

115.

This muscle group moves in a plantar flexion motion

a)

quadriceps

b)

hamstrings

c)

tibialis anterior

d)

gastrocnemius

116.
The type of muscle contraction where the muscle tenses but does not shorten.  
a)
Isometric
b)
Isotonic
c)
Contraction
d)
relaxation
117.
When a muscle shortens under tension, it is called_______
a)
isotonic eccentric contraction
b)
isotonic concentric contraction
c)
isometric concentric contraction
d)
isometric eccentric contraction
118.
As the athlete lowers the weights, his biceps undergo-
a)
isometric concentric contraction
b)
isotonic eccentric contraction
c)
isometric contraction
119.

What type of contraction is happening here??

a)

isostabilize

b)

isokinetic

c)

isotonic

d)

isometric

120.
During the downward phase of this squat, what muscles are undergoing isometric contractions?
a)
quadriceps
b)
hamstrings
c)
abdominals
d)
calves
121.

Muscle fatigue is...

a)

when the muscle is unable to contract

b)

when you are too tired to exercise

c)

when the muscle is contracted more than 30 secondsd

d)

when O2 comes from direct phosphorylation

122.

What is the correlation between muscle fatigue and oxygen debt?

a)

When O2 decreases, muscle fatigue increases

b)

When O2 increases, muscle fatigue decreases

c)

When O2 is obtained, muscle fatigue decreases

d)

The lesser the oxygen debt, the lesser the muscle fatige

123.

What is the correlation between lactic acid, ATP, and muscle contractions?

a)

increase in lactic acid, decrease ATP, decrease in muscle contraction

b)

increase in lactic acid, decrease ATP, increase in muscle contraction

c)

increase in lactic acid, increase in ATP, decrease in muscle contraction

d)

increase in lactic acid, increase in ATP, increase in muscle contraction

124.

which of the following is true regarding aerobic activity and muscle growth?

a)

increase in mitochondria

b)

increase in vasculature

c)

muscle fiber size DOES NOT increase

d)

Muscle fiber diameter decreases

125.

which of the following is true regarding aerobic activity and muscle growth?

a)

mitochondria number stays the same

b)

decrease in vasculature

c)

muscle fiber size DOES increase

d)

Muscle fiber diameter increases

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