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Muscle System Practice

Total questions: 157

Worksheet time: 2hrs 34mins

Name
Class
Date
1.

What type of muscle tissue is found in the heart?

a)

skeletal

b)

smooth

c)

cardiac

d)

voluntary

2.
Involuntary
a)
skeletal
b)
cardiac
c)
smooth
d)
smooth and cardiac
3.
attached to bones
a)
cardiac
b)
smooth
c)
skeletal
4.

Which of the following muscle cells are not striated, involuntary, and have one nucleus per cell?

a)

Skeletal

b)

Cardiac

c)

Smooth

5.

Which of the following puts the structures of the muscle in order from largest to smallest?

a)

Whole muscle, muscle fiber, actin & myosin, myofibril, muscle fasicle

b)

Whole muscle, muscle fasicle, muscle fiber, myofibril, actin & myosin

c)

Whole muscle, muscle fiber, muscle fasicle, myofibril, actin & myosin

d)

Whole muscle, muscle fasicle, muscle fiber, actin & myosin, myofibril

6.
The muscle primarily responsible for a movement
is the:
a)
prime mover (agonist).
b)
synergist.
c)
antagonist.
d)
origin.
7.
The muscle which relaxes during movement is the.....
a)
Antagonist
b)
Agonist
8.

The sliding filament theory explains which of the following?

a)

muscle extensions

b)

muscle inductions

c)

muscle contractions

d)

muscle formation

9.

______ and ______ work together to allow muscles to contract.

a)

ATP, Calcium

b)

smooth muscle, cardiac muscle

c)

Electrolytes, Phosphorous

d)

hemoglobin, plasma

10.

Which parts of your muscular system are voluntary? Select ALL that apply.

a)

cardiac muscle

b)

skeletal muscle

c)

smooth muscle

d)

none of the above

11.

Which number represents the Myofibril?

(a)  

12.

Which number represents the Fascicle?

(a)  

13.

What is the main function of the muscular system?

a)

Movement

b)

Blood filtration

c)

Excretion of waste

d)

Calcium homeostasis

14.

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

15.

What do prime movers (agonists) do?

a)

Most responsible for producing a certain movement

b)

Oppose or do the reverse of a certain movement

c)

Stabilizing across a joint

d)

None of the above

16.

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

a)

Smooth

b)

Rough

c)

Cardiac

d)

Skeletal

17.

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

18.

Muscle Fatigue sets in when your cells begin to run low on one or both of the following:

a)

Oxygen and Glucose

b)

Calcium and Phosphate

c)

Actin and mYosin

d)

Food and water

19.
a)
Hamstrin
b)
Quadricep
c)
Tibialis Anterior
d)
Gastrocenmius
20.
a)
Glutueal
b)
Hamstring
c)
Quadricep
d)
External Oblique
21.
a)
Pectoral
b)
Tricep
c)
Bicep
d)
Deltoid
22.
a)
Abdominal
b)
External Oblique
c)
Pectorals
d)
Trapezius
23.
a)
Biceps
b)
Triceps
c)
Occuli
d)
Trapezius
24.
Which of the following is a type of muscle tissue
a)
Skeletal 
b)
Cardiac
c)
Smooth
d)
All of the above
25.

Which types of muscle tissue is/are voluntary

a)

Cardiac Muscle only

b)

Smooth Muscle only

c)

Skeletal Muscle only

d)

Skeletal Muscle and Smooth Muscle

26.

Which connective tissue surrounds fasicles?

a)

epimysium

b)

endomysium

c)

perimysium

27.

Which connective tissue surrounds the whole muscle?

a)

epimysium

b)

endomysium

c)

perimysium

28.

Which connective tissue surrounds individual muscle fibers?

a)

epimysium

b)

endomysium

c)

perimysium

29.

Skeletal muscles...

a)

Require energy in order to contract

b)

Require energy in order to relax

c)

Relax when calcium ions are transported into the sarcoplasmic reticulum

d)

All of these

30.

Which type of muscle cell is striated, voluntary and has multiple nuclei located at the periphery?

a)

Cardiac

b)

Smooth

c)

Skeletal

31.

Which type of muscle cell has one nucleus, is striated and has intercalated disks?

a)

Skeletal

b)

Cardiac

c)

Smooth

32.

Which of the following muscle cells are not striated, involuntary, and have one nucleus per cell?

a)

Skeletal

b)

Cardiac

c)

Smooth

33.

Which side of the membrane has a positive charge at resting membrane potential?

a)

Inside

b)

Outside

34.

Which of the following happens during depolarization?

a)

Sodium moves into the cell

b)

Sodium moves out of the cell

c)

Potassium moves into the cell

d)

Potassium moves out of the cell

35.

Which of the following is true about the sodium potassium pump? (choose 2)

a)

Moves sodium into the cell

b)

Moves sodium out of the cell

c)

Moves potassium into the cell

d)

Moves potassium out of the cell

36.

Which side of the cell membrane is positive during depolarization?

a)

Inside

b)

Outside

37.

Which is true about repolarization?

a)

Sodium moves into the cell

b)

Sodium moves out of the cell

c)

Potassium moves into the cell

d)

Potassium moves out of the cell

38.

Which side of the cell membrane becomes positive during repolarization?

a)

Inside

b)

Outside

39.

Which of the following puts the structures of the muscle in order from largest to smallest?

a)

Whole muscle, muscle fiber, actin & myosin, myofibril, muscle fasicle

b)

Whole muscle, muscle fasicle, muscle fiber, myofibril, actin & myosin

c)

Whole muscle, muscle fiber, muscle fasicle, myofibril, actin & myosin

d)

Whole muscle, muscle fasicle, muscle fiber, actin & myosin, myofibril

40.

______ is irritability and the ability to respond to a stimulus such as a nerve impulse

a)

Contractibility

b)

Excitability

c)

Extensibility

41.

________ allows the muscle to return to its original shape after it has contracted or stretched

a)

Elasticity

b)

Extensibility

c)

Contractibility

42.

______ is when muscle fibers that are stimulated by nerves contract or become short and thick

a)

Elasticity

b)

Excitability

c)

Contractibility

43.

______ is the ability to be stretched

a)

Contractibility

b)

Extensibility

c)

Excitability

44.

______ forms the walls of the heart and contracts to circulate blood

a)

Cardiac Muscle

b)

Smooth Muscle

c)

Skeletal Muscle

45.

_____ is attached to bones and causes body movement

a)

Cardiac Muscle

b)

Smooth Muscle

c)

Skeletal Muscle

46.

_______ is found in the internal organs of the body, such as those of the digestive and respiratory systems

a)

Skeletal Muscle

b)

Smooth Muscle

c)

Cardiac Muscle

47.

_____ is moving in a circle at a joint or moving one end of a body part in a circle while the other end remains stationary

a)

Circumduction

b)

Rotation

c)

Abduction

48.

_____ is moving a body part away from the midline

a)

Flexion

b)

Abduction

c)

Adduction

49.

_____ is decreasing the angle between two bones or bending a body part

a)

Flexion

b)

Extension

c)

Rotation

50.

_____ is moving a body part toward the midline

a)

Circumduction

b)

Abduction

c)

Adduction

51.

_____ is turning a body part upward

a)

Dorsiflexion

b)

Supination

c)

Pronation

52.

_____ is bending backward or bending the foot toward the knee

a)

Plantarflexion

b)

Rotation

c)

Dorsiflexion

53.

_____ is increasing the angle between two bones or straightening a body part

a)

Extension

b)

Flexion

c)

Adduction

54.

______ is turning a body part around its own axis; turning the head from side to side

a)

Circumduction

b)

Rotation

c)

Pronation

55.

_____ is turning a body part downward

a)

Supination

b)

Pronation

c)

Rotation

56.

_____ is bending forward or bending the foot away from the knee

a)

Dorsiflexion

b)

Supination

c)

Plantarflexion

57.

What type of muscle can sustain contraction for long periods of time?

a)

Smooth

b)

skeletal

c)

cardiac

58.

What type of muscle is found in the walls of the heart?

a)

sphincter

b)

cardiac

c)

skeletal

d)

smooth

59.

What type of muscle is also known as voluntary?

a)

Smooth

b)

skeletal

c)

cardiac

d)

sphincter

60.

Sitting or Standing up straight demonstrates what function of the muscular system?

a)

body heat

b)

movement

c)

posture

61.

Stretching your muscles after exercise will give what outcome?

a)

atrophy

b)

contractibility

c)

extensibility

d)

hypertrophy

62.

When a muscle becomes shorter and causes movement it is said to have?

a)

atrophy

b)

contractibility

c)

extensibility

d)

elasticity

63.

A patient's arm has been in a cast and the muscle is smaller from disuse, this is known as?

a)

hypertrophy

b)

muscle tone

c)

atrophy

d)

strain

64.

Muscles are partially contracted at all times, this is known as?

a)

hypertrophy

b)

muscle tone

c)

atrophy

d)

strain

65.

A body builder's muscles enlarge after months of exercise, this is known as?

a)

hypertrophy

b)

hyperthyroid

c)

atrophy

d)

strain

66.

Regular exercise and training will:

a)

decrease circulation

b)

reduce muscle efficiency

c)

cause muscle atrophy

d)

improve muscle tone.

67.

Special circular muscles in the openings between the esophagus and the stomach are called :

a)

sarcoplasm

b)

origin

c)

insertion

d)

sphincter

68.

When muscles relax and return to there original shape what characteristic of muscle is being demonstrated?

a)

elasticity

b)

irritability

c)

extensibility

d)

contractibility

69.

Which body structure is made up of smooth muscle?

a)

Stomach wall

b)

Walls of the heart

c)

pectoralis major

d)

rectus abdominus

70.

Which muscle only has an involuntary function?

a)

biceps brachii

b)

diaphragm

c)

trapezius

d)

cardiac

71.

Exercising for prolong periods without adequate rest would cause a(n):

a)

buildup of lactic acid.

b)

loss of minerals in bones.

c)

increases atrophy.

d)

increase in blood sugar

72.

What two chemicals are necessary for muscle contraction to occur?

a)

Niacin and Potassium

b)

Calcium and ATP

c)

Actin and Myosin

d)

Phosphorus and Potassium

73.

When there is no nerve impulse, what is the name of the protein that covers the binding sites on actin?

a)

Myosin

b)

Troponin

c)

Titan

d)

Tropomyosin

74.

Which type of muscles are under conscious control or are considered voluntary?

a)

Skeletal

b)

Smooth

c)

Cardiac

d)

Rough

75.
A bundle of muscle fibers is called __________.
a)
Sarcomere
b)
Fascicle
c)
Tendon
d)
Muscle body
76.

Which of the following muscles is not located on your head?

a)

Temporalis

b)

Masseter

c)

Buccinator

d)

Pectineus

77.

List the structures of a muscle from largest to smallest.

a)

myofibril, muscle fiber, fascicle

b)

fascicle, muscle fiber, myofibril

c)

fascicle, sarcomere, muscle fiber

d)

myofibril, fascicle, sarcomere

78.

Which one of the following is a key characteristic of Fast Twitch muscle fibers?

a)

They are red in color, meaning they contain a lot of mitochondria

b)

They contract rapidly with great force but fatigue fast

c)

They are recruited for long duration activities

d)

They contain high numbers of Mitochondria

79.

Which one of the following is a key characteristic of slow twitch muscle fibers?

a)

They contain large amounts of Mitochondria

b)

They are fast to fatigue

c)

They can be both white and red in appearance

d)

They contain low numbers of Mitochondria

80.

The situation in which a muscle loses its ability to contract, due to being used strenuously for a long period of time

a)

muscle pain

b)

muscle cramp

c)

muscle fatigue

d)

oxygen debt

81.

What holds oxygen in muscles cells?

a)

Myofibrils

b)

Myoglobin

c)

Fascicles

d)

Periosteum

82.

The muscle that contracts during movement is called the

a)

agonist

b)

antagonist

c)

synergist

d)

flexor

83.
Muscle tissue
a)
Is tissue that functions in lining, covering, and glandular tissue
b)
Is tissue involved in protecting, supporting, and binding together other body tissues
c)
Is tissue that contracts and shortens to produce movement 
d)
Tissue that receives and conducts electrochemical impulses from one part of the body to another
84.

Based upon the picture of my leg muscles this past year what is being pointed to?

a)

Quadriceps

b)

Gastrocnemius

c)

Deltoid

d)

Hamstring

85.
What is the main effect of strength training?
a)
Muscle atrophy
b)
Muscle Hypertrophy
c)
Muscular dystrophy
d)
None of these
86.

When the troponin molecule's binding site is empty the muscle is?

a)

full contraction

b)

complete tetanus

c)

at rest

d)

summation

87.
Which of the following describes the sarcomere? 
a)
The basic unit of muscle’s cross-striated myofibril
b)
. A protein band which defines the boundary between one sarcomere 
c)
 Various muscle proteins 
d)
Contains the protein, actin
88.
How do pairs of skeletal muscles work together?
a)
while one contracts, the other returns to original length
b)
both muscles contract at the same time
c)
both muscles relax at the same time
d)
1 muscle pulls on the bone and the other pulls on the first muscle
89.

Identify the highlighted muscle

a)

Trapezius

b)

Extensor Carpi

c)

Flexor carpi

d)

Extensor Digitorum Longus

90.

Arrange the structures of a muscle from largest to smallest.

a)

Myofibril, muscle fiber, fascicle

b)

Fascicle, muscle fiber, myofibril

c)

Fascicle, sarcomere, muscle fiber

d)

Myofibril, fascicle, sarcomere

91.
Oxygen debt in muscles may develop because of:
a)
the inability of respiratory and circulatory systems to supply enough oxygen to skeletal muscles when used strenuously for a minute or two.
b)
the inability of myoglobin molecules to store enough oxygen when skeletal muscles are used strenuously for a minute or two.
c)
too much oxygen used in forming pyruvic acid when skeletal muscles are contracted strenuously for a minute or two.
d)
too high a concentration of oxygen in the atmosphere.
92.

How many types of muscles are there?

a)

2

b)

4

c)

3

d)

1

93.

Smooth Muscle is found in the?

a)

Heart

b)

Facial

c)

Organs

d)

Legs

94.
Which of the following is NOT a type of muscle?
a)
Rough
b)
Smooth
c)
Cardiac
d)
Skeletal
95.
Skeletal muscles are responsible for which of the following?
a)
Movement of the body
b)
Movement of the heart
c)
Movement of the ligaments 
d)
Movement of the extremities
96.
Skeletal muscles are attached to which of the following? 
a)
Bones and ligaments 
b)
Ligaments and tendons
c)
Tendons and bones
d)
Bones and fat 
97.

Smooth muscle is located where?

a)

heart

b)

bones

c)

toes

d)

internal organs

98.
What are the two classifications of muscles in your body?
a)
Voluntary and Controllable
b)
Flabby and Strong
c)
Involuntary and Voluntary
d)
Hard and soft
99.

How do pairs of skeletal muscles work together?

a)

while one contracts, the other relaxes

b)

both muscles contract at the same time

c)

both muscles relax at the same time

d)

1 muscle pulls on the bone and the other pulls on the first muscle

100.
These muscles work automatically without us doing any work.  
a)
Skeletal/ Voluntary
b)
Smooth/Involuntary
c)
Cardiac 
d)
Rough 
101.
Cardiac muscle is only found where? 
a)
Lungs
b)
Heart
c)
Kidney's 
d)
Liver
102.
what is an example of a voluntary muscle? 
a)
Stomach
b)
Liver
c)
Esophagus 
d)
Calf Muscles
103.
When a muscle contracts, it _______
a)
gets longer
b)
gets shorter
c)
gets thinner
d)
grows hair
104.

A thick strand of tissue called a _________ attaches to a muscle of the bone.

a)

smooth muscle

b)

tendon

c)

joint

105.
Tendons connect __________ to bone.
a)
Cartilage
b)
Bone
c)
Muscle
d)
Ligaments
106.
abduct 
a)
to move away from the midline of the body 
b)
a contractile protein of muscle 
c)
change in electrical potential of a muscle fiber 
d)
to move toward the midline 
107.
adduct 
a)
 to move toward the midline 
b)
oxygen requiring 
c)
to move away from the midline of the body 
d)
not requiring oxygen 
108.

Skeletal muscle

a)

striated

b)

not striated

109.

smooth muscle

a)

striated

b)

not striated

110.

cardiac muscle

a)

striated

b)

not striated

111.

cardiac muscle

a)

involuntary

b)

voluntary

112.

smooth muscle

a)

involuntary

b)

voluntary

113.

skeletal muscle

a)

involuntary

b)

voluntary

114.

Name this muscle in your upper back

a)

Latissimius Dorsi

b)

Trapezius

c)

Triceps

d)

Erectors

115.

Identify the highlighted muscle.

a)

Abdominals

b)

Latissimus Dorsi

c)

Gastrocnemius

d)

Gluteus Maximus

116.
a)
Trapezius
b)
Gluteals
c)
Deltoid
d)
Hamstring
117.

#1 Represents one whole...

a)

Actin Filament

b)

Z Disc

c)

Sarcomere

d)

Myosin Filament

118.
The part of the sarcomere that D (Red) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
119.
The part of the sarcomere that C (Blue) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
120.

How much ATP is used in each myosin/actin cross-bridge cycle?

(a)  

121.

which muscles are located in the anterior thigh?

a)

gluteus maximus

b)

gastrocnemius

c)

hamstrings

d)

quadriceps

122.

What muscle is located in the posterior thigh?

a)

gluteus maximus

b)

gastrocnemius

c)

hamstrings

d)

quadriceps

123.

Which muscle is located on the lateral aspect of the shoulder and is teardrop shaped?

a)

gluteus maximus

b)

rectus abdominus

c)

deltoid

d)

trapezius

124.

A muscle _ is an injury that involves tearing of the muscle fibers.

(a)  

125.

a _ is an involuntary, painful contraction of a muslce.

(a)  

126.

_ connect muscles to bones.

(a)  

127.

Which muscle is located in the neck and assists with turning the head?

a)

sternocleidomastoid

b)

deltoid

c)

biceps brachii

d)

triceps brachii

128.
Another name for a muscle cell is 
a)
fascicle
b)
myofibril
c)
myofilament
d)
muscle fiber
129.

There are over how many muscles in the body?

a)

800

b)

300

c)

600

d)

1000

130.

Muscles work in groups of

a)

1

b)

4

c)

3

d)

2

131.
The type of muscle contraction where the muscle tenses but does not shorten.  
a)
Isometric
b)
Isotonic
c)
Contraction
d)
relaxation
132.
During the upward phase (pressing) which muscle is undergoing concentric contraction?
a)
biceps
b)
triceps
c)
abdominals
d)
quads
133.

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

134.

What two chemicals need to be present for muscle contraction to occur?

a)

ACh and Ca++

b)

K+ and Na+

c)

ATP and Na+

d)

Ca++ and ATP

135.

The region where a motor neuron comes in close contact with a muscle cell.

a)

neuromuscular junction

b)

joint

c)

sarcolemma

d)

sarcomere

136.

Click all that apply. Which of these make up a motor unit?

a)

Motor neuron

b)

Muscle fiber

c)

Muscle

d)

Nerve

137.

Where is calcium stored in the muscle cell?

a)

T Tubules

b)

Sarcoplasmic Reticulum (SR)

c)

Sarcolemma

d)

Sarcomere

138.

What is released from the sarcoplasmic reticulum?

a)

Inorganic phosphate

b)

ADP

c)

Calcium

d)

ATP

139.

What is the name of the neurotransmitter released at a neuromuscular junction?

a)

Calcium

b)

Acetylcholine

c)

Dopamine

d)

Troponin

140.

What is the place where muscles attach to the least movable bone?

a)

Insertion

b)

Origin

141.
Moving a limb away from midline
a)
Pronation
b)
Abduction
c)
Adduction
d)
Flexion
142.

When grandma stays in bed and doesn't want to move, she risks muscle ____________ that can be hazardous to your health.

a)

hypertrophy

b)

atrophy

c)

fatigue

d)

tetanus

143.

When someone suffers a strain or a sprain, it is important to follow R.I.C.E as a treatment. What does the letter I represent in R.I.C.E?

a)

Ice

b)

Itch

c)

Immobilize

d)

Ignore

144.

This image shows a ________?

a)

Sarcomere

b)

Fascicle

c)

Neuromuscular Juntion

d)

Prime mover

145.

Acetylcholine must cross this space in order for the action potential to innervate the muscle Fiber.

a)

Synaptic Cleft

b)

Actin

c)

Myosin

d)

sarcomere

146.

Striations are found in

a)

smooth muscle

b)

cardiac muscle

c)

skeletal muscle

d)

none of the above

147.

Muscles can only perform which type of action?

a)

Extend

b)

Rotate

c)

Pull

d)

Push

148.

What is the term for the maximum tension a muscle can achieve through rapid stimulation?

a)

Summation

b)

Tetanus

c)

Isotonic contraction

d)

Twitch

149.

What type of muscle contraction occurs without changing the muscle's length?

a)

Concentric

b)

Eccentric

c)

Isotonic

d)

Isometric

150.

This is what connects the gastrocnemius to the calcaneous bone (6)

a)

gastrocnemius

b)

calcaneous

c)

achilles tendon

d)

forman's ligament

151.

These muscles extend the knee (1)

a)

sartorius

b)

quadriceps group

c)

hamstrings

d)

tibialis anterior

152.

This muscle crosses the legs over one another (8)

a)

sartorius

b)

hamstrings

c)

Forman's crossorius

d)

extensor carpi radialis

153.

All the muscle within the body has a relationship with the ___?___ system to produce movement and contraction.

a)

Cardiovascular

b)

Skeletal

c)

Nervous

d)

Respiration

154.
Which of these is NOT an antagonistic pair?
a)
Biceps & Triceps
b)
Hamstrings & Quadriceps
c)
Pectorals & Abdominals
d)
Abdominals & Latissimus Dorsi
155.
a)

Temporalis

b)

Frontalis

c)

Occipitalis

d)

Buccinator

156.
a)

Trceps branchii

b)

Pectoralis

c)

Biceps branchii

d)

Biceps femoris

157.

a)

Latissimus dorsi

b)

Platysma

c)

Trapezius

d)

Rhomboid Major

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