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Unit 3 Final Review

Total questions: 87

Worksheet time: 53mins

Name
Class
Date
1.

Number 1

a)

epimysium

b)

fascicle

c)

blood vessel

d)

bone

2.

number 2

a)

tendon

b)

epimysium

c)

fascicle

d)

perimysium

3.

number 3

a)

fascicle

b)

epimysium

c)

bone

d)

blood vessel

4.

number 4

a)

myofibril

b)

perimysium

c)

bone

d)

tendon

5.

number 5

a)

bone

b)

fascicle

c)

endomysium

d)

myofibril

6.

number 6

a)

fascilcle

b)

myofibril

c)

endomysium

d)

tendon

7.

number 7

a)

tendon

b)

myofibril

c)

bonne

d)

blood vessel

8.

number 9

a)

tendon

b)

blood vessel

c)

fascicle

d)

sarcolemma

9.

number 10

a)

sarcolemma

b)

muscle fiber

c)

endomysium

d)

bone

10.

What is the main function of the muscular system?

a)

Movement

b)

Blood filtration

c)

Excretion of waste

d)

Calcium homeostasis

11.

How do muscles produce movement?

a)

Muscles contract by pushing bones

b)

Muscles contract by pulling bones

c)

Muscles contract by pushing and pulling bones

d)

Muscles do not produce movement

12.

Which of the following is NOT a function of the muscular system?

a)

Maintain posture

b)

Stabilize joints

c)

Generate heat

d)

Filter toxins and excess waste from blood

13.

Which of the following is NOT a type of muscle tissue?

a)

Smooth

b)

Rough

c)

Cardiac

d)

Skeletal

14.

Which of the following is the correct order of muscle structures going from largest to smallest

a)

Muscle --> Muscle fascicles --> Muscle fibers --> Myofibrils --> Sarcomeres

b)

Sarcomeres --> Myofibrils --> Muscle fibers --> Muscle fascicles --> Muscles

c)

Muscle --> Muscle fibers --> Muscle fascicles --> Sarcomeres --> Myofibrils

d)

Muscle fibers --> Muscle fascicles --> Muscle --> Myofibrils --> Sarcomeres

15.

Which connective tissue wraps around the entire outside of each muscle fiber?

a)

Perimysium

b)

Epimysium

c)

Endomysium

16.

A bundle of muscle fibers

a)

muscle fiber

b)

fascicle

c)

sarcolemma

d)

aponeurosis

e)

agonist

17.

The delicate membrane surrounding each striated muscle fiber

a)

muscle fiber

b)

fascicle

c)

sarcolemma

d)

aponeurosis

e)

agonist

18.

Role played by a skeletal muscle to cause a movement

a)

agonist

b)

antagonist

c)

contractility

d)

extensibility

e)

irritability

19.

Role played by a skeletal muscle acting to slow or stop a movement

a)

agonist

b)

antagonist

c)

contractility

d)

extensibility

e)

irritability

20.
The part of the sarcomere that C (Blue) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
21.
The part of the sarcomere that D (Red) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
22.

The point at which the nerve cell reaches the sarcolemma of the muscle fiber is the _____.

a)

Neurotransmitter

b)

Acetylcholine (ACh)

c)

Synaptic cleft

d)

Neuromuscular Junction (NMJ)

23.

Once calcium is pumped into the axon terminal what happens?

a)

The muscle contracts

b)

ACh is released into the synaptic cleft.

c)

Sodium pumps into the sarcolemma.

d)

The muscle contracts.

24.

Once ACh binds to receptor cells on the sarcolemma, what takes place?

a)

Sarcolemma becomes temporarily permeable to sodium.

b)

The muscle contracts.

c)

Calcium is pumped into the axon terminal.

d)

Synaptic vesicles move to the end of the terminal.

25.

Once sodium is pumped into the sarcolemma, what happens?

a)

Action potential is transferred to the sarcolemma to start the process of contraction.

b)

The process ends and ACh breaks down.

c)

Calcium is pumped into the axon terminal.

d)

ACh is released into the synaptic cleft.

26.
The gap between a neuron and a muscle cell: (#4 in the diagram)
a)
synaptic cleft
b)
sarcolemma
c)
vesicle
d)
Ca2+ ion
27.
The organelle containing actin and myosin identified as #9
a)
ACh
b)
Sarcolemma
c)
Vesicle
d)
Myofibril
28.
Thin filaments in a myofibril are
a)
Sarcomeres
b)
Sarcoplasm
c)
Actin
d)
Myosin
29.
Thick filaments are in a myofibril are
a)
ATPase
b)
Sarcoplasmic reticulum
c)
Actin
d)
Myosin
30.
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
31.
What is the structure that stores the Calcium in the muscle cell.  
a)
Sarcoplasm
b)
Sarcolemma
c)
Sarcoplasmic Reticulum
d)
Myoglobin
32.
Skeletal Muscle contraction is initiated when the ________ sends a message to the muscle cell.  
a)
Muscle cell
b)
Neuron
c)
Gland
d)
None of the above
33.
The energy needed to perform a muscle contraction comes directly from
a)
ATP
b)
Oxygen
c)
Glucose
d)
Calcium
34.
What is a crossbridge?
a)
Where myosin binds to actin
b)
Where the calcium crosses into the cytoplasm
c)
Where calcium binds with troponin
d)
None of the answers are correct.
35.
___ and ___ are regulatory proteins bound to actin. 
a)
Troponin and tropomyosin
b)
Myosin and actin
c)
Calcium and Oxygen
d)
Glycogen and hemoglobin
36.
Calcium:
a)
causes ATP binding to actin
b)
increases the action potential along the sarcolemma
c)
binds to proteins on myosin
d)
triggers the binding of myosin to actin
37.

As calcium binds to actin the myosin heads are allowed to bind to the actin forming a cross-bridge and begin to slide over mysoin.

a)

True

b)

False

38.

When ATP binds to the myosin head the myosin head then _____________.

a)

completes a power stroke

b)

attaches to actin

c)

rotates

d)

detaches from actin

39.

Looking at the figure what molecule will allow the myosin head to detach from actin.

a)

ADP

b)

Myosin

c)

ATP

d)

Creatine Phosphate

40.

What causes the muscle to stop contracting?

a)

Lack of effort

b)

Myosin-Heads fail to attach

c)

Calcium Ions are pumped away

d)

Muscle fibre tears

41.

Calcium binds to ___of the troponin-tropomyosin complex.

a)

troponin

b)

tropomyosin

c)

actin

d)

myosin

42.

Once sodium is pumped into the sarcoplasm, what happens?

a)

Voltage of the cell changes to become more positive.

b)

The process ends and ACh breaks down.

c)

Calcium is pumped out of the sarcoplasmic reticulum

d)

Acetylcholine is released into the synaptic cleft.

43.

Once acetylcholine binds to receptor cells on the sarcolemma, what takes place?

a)

Ion channels open and sodium rushes inside the cell

b)

The muscle contracts.

c)

Calcium is pumped out of the sarcoplasmic reticulum.

d)

Synaptic vesicles release acetylcholine into the synapse

44.

When ion channels in the sarcolemma first open to allow ions in/out of the muscle cell, changing the voltage of the cell, how and why does the voltage change?

a)

Becomes more positive because sodium ions rush inside the cell

b)

Becomes more positive because sodium ions rush out of the cell

c)

Becomes more negative because sodium ions rush inside the cell

d)

Becomes more negative because sodium ions rush out of the cell

45.

When ion channels in the sarcolemma first open to allow ions in/out of the muscle cell, changing the voltage of the cell, what happens next?

a)

Other ion channels are triggered to open in a cascade down the sarcolemma

b)

Acetylcholine is released from the synaptic vesicles

c)

Acetylcholine binds to the receptors on the sarcolemma

d)

The sarcoplasmic reticulum is triggered by the voltage change to release calcium ions into the sarcoplasm

46.

What triggers the first few ion channels to open in the sarcolemma?

a)

The binding of acetylcholine to receptors

b)

The release of acetylcholine into the synapse

c)

A voltage change nearby

d)

The action potential traveling through the motor neuron

47.

After the initial few ion channels are triggered to open by the acetylcholine, what causes the rest of the ion channels to open one after the other in a cascade?

a)

Changes in voltage

b)

The binding of acetylcholine to receptors

c)

The release of acetylcholine into the synapse

d)

The sarcoplasmic reticulum releases calcium ions

48.

What is structure B?

a)

motor neuron

b)

muscle cell

c)

acetylcholine

d)

sarcolemma

49.

What is structure E?

a)

sodium ion

b)

acetylcholine

c)

calcium ion

d)

synapse

50.

What is structure F?

a)

ion channel

b)

acetylcholine receptor

c)

sarcolemma

d)

sarcoplasmic reticulum

51.

What is structure H?

a)

transverse tubule

b)

muscle fiber

c)

sarcolemma

d)

sarcoplasmic reticulum

52.

What is structure K?

a)

sarcoplasmic reticulum

b)

sarcoplasm

c)

sodium ion

d)

calcium ion

53.

What is structure M?

a)

sarcoplasmic reticulum

b)

sarcoplasm

c)

sodium ion

d)

calcium ion

54.

What is structure L?

a)

ion channel

b)

sarcoplasm

c)

sarcoplasmic reticulum

d)

acetylcholine receptor

55.

What is the opposing muscle group for the biceps?

a)

abdominals

b)

triceps

c)

deltoids

d)

hamstrings

56.

What is the opposing muscle group for the quadriceps?

a)

biceps

b)

lower back

c)

hamstrings

d)

obliques

57.

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

58.

The agonist and antagonist work in __________ to create movement

a)

tandem

b)

random

c)

opposition

d)

synchronization

59.

_________ carries the nerve impulse deep into the myofibrils.

a)

T-Tubules

b)

Synapses

c)

Sarcoplasm

d)

Neurotransmitters

60.

True or False: Calcium Ions bind to Tropomyosin to change the shape of Troponin.

a)

True

b)

False

61.

Which proteins make up the thin filament? Select all that apply.

a)

Actin, myosin, and troponin

b)

Actin, troponin, and tropomyosin

c)

Troponin, myosin, and tropomyosin

d)

Myosin, actin, and tropomyosin

62.
Calcium:
a)
causes ATP binding to actin
b)
increases the action potential along the sarcolemma
c)
binds to proteins on myosin
d)
triggers the binding of myosin to actin
63.

What triggers tropomyosin to shift and expose the actin binding sites during a muscle contraction?

a)

Calcium binding to troponin

b)

Troponin binding to myosin

c)

Myosin head forming a cross bridge

d)

Acetylcholine attaching to receptors on the sarcolemma

64.

Ca2+ released by sarcoplasmic reticulum will bind to

a)

Actin

b)

Troponin

c)

Myosin

d)

Tropomyosin

65.

Identify the pink structures? It is a globular protein complex, occuring with tropomyosin in the thin filaments of muscle tissue. Binds to calcium ions, moving tropomyosin away from the myosin binding sites on actin filaments.

a)

actin

b)

myosin

c)

tropomyosin

d)

troponin

e)

cross bridge

66.

Identify X? A protein that covers the mysoin binding sites on the actin filament in a relaxed muscle, preventing contraction.

a)

actin

b)

myosin

c)

tropomyosin

d)

troponin

e)

cross bridge

67.

Identify the blue structures? a protein that forms (together with myosin) the contractile filaments of muscle cells.

a)

actin

b)

myosin

c)

tropomyosin

d)

troponin

e)

cross bridge

68.

What muscle is the arrow pointing toward?

a)

biceps

b)

traps

c)

pecs

d)

triceps

69.

What muscle is the arrow pointing to?

a)

Pectoralis (Pecs)

b)

Biceps

c)

Triceps

d)

Lats

70.

What muscle is the arrow pointing to?

a)

Biceps

b)

Triceps

c)

Lats

d)

Quads

71.
a)
Quadriceps
b)
Satorius
c)
Hamstring
d)
Gastronecmius
72.
a)
Latissmius Dorise
b)
Erectors
c)
Deltoids
d)
Abdominal
73.
a)
Trapezius
b)
Gluteals
c)
Deltoid
d)
Hamstring
74.
a)
Hamstrin
b)
Quadricep
c)
Tibialis Anterior
d)
Gastrocenmius
75.
a)
Hamstring
b)
Quadriceps
c)
Gastronecmius
d)
Satorius
76.
a)
Abdominal
b)
External Oblique
c)
Pectorals
d)
Trapezius
77.
a)
Latissimius Dorsi
b)
Trapezius
c)
Triceps
d)
Erectors
78.
a)
Trapezius
b)
Pectorals
c)
Sternocleidomastoid
d)
Quadricep
79.
The type of muscle contraction where the muscle tenses but does not shorten.  
a)
Isometric
b)
Isotonic
c)
Contraction
d)
relaxation
80.

What type of contraction is happening here??

a)

isostabilize

b)

isotonic- eccentric

c)

isotonic- concentric

d)

isometric

81.

How glucose and aerobic respiration are related.

a)

Glucose is broken down into ATP in the presence of oxygen

b)

Glucose is broken down into ATP in the absence of oxygen

c)

When ATP is created, glucose is released

d)

For every ATP, a glucose is created

82.

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

83.

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

84.

What disorder causes the impairment of motor function due to a disruption in brain development?

a)

ALS

b)

Fibromyalgia

c)

Muscular dystrophy

d)
Cerebral palsy
85.

The disorder the causes widespread pain in the muscles and joints and causes fatigue.

a)

fibromylagia

b)

cerebral palsy

c)

muscular dystrophy

d)

myasthenia gravis

86.
This disease is a genetic X-linked disorder that results in the absence of the dystrophin protein.  Affected males have progressive muscle atrophy and significantly decreased lifespans.
a)

ALS

b)
Fibromyalgia
c)

Muscular Dystrophy

d)

Myasthenia gravis

87.
This disease is caused by antibodies blocking the muscle cells from receiving neurotransmitters from the nerve cells. 
a)
botulism
b)
polio
c)
myasthenia gravis
d)
tetanus

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