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Muscular System Practice

Total questions: 76

Worksheet time: 47mins

Name
Class
Date
1.

antagonistic pairs

a)

two muscles which work in opposing directions to one another

b)

striated muscle found in the heart

c)

the process used to convert glucose and oxygen into a useable form of energy called ATP

d)

when the muscle becomes shorter and thicker

2.

cardiac muscle

a)

two muscles which work in opposing directions to one another

b)

striated muscle found in the heart

c)

the process used to convert glucose and oxygen into a useable form of energy called ATP

d)

when the muscle becomes shorter and thicker

3.

contraction

a)

two muscles which work in opposing directions to one another

b)

striated muscle found in the heart

c)

the process used to convert glucose and oxygen into a useable form of energy called ATP

d)

when the muscle becomes shorter and thicker

4.

What muscle attaches to the bone and produces movement?

a)

skeletal muscle

b)

cardiac muscle

c)

smooth muscle

d)

visceral muscle

5.

What type of muscle makes of the walls of our internal organs?

a)

smooth muscles

b)

voluntary muscle

c)

striated muscle

d)

cardiac muscle

6.

Point of origin refers to .......

a)

the place where the muscles attach to the bone, but no movement occurs

b)

the place where the muscles attach the and movement occurs

c)

where a muscle attaches to another muscle

d)

the membrane the covers and supports muscles

7.

Match the following

a)

Tendon

1.

attaches a muscle to a bone

b)

Ligament

2.

attaches a bone to another bone

c)

Fascia

3.

creates a membrane-like covering for muscles

8.

Match the following

a)

Origin

1.

the point of a muscle which attaches to a stationary bone

b)

Insertion

2.

the point of a muscle which attaches to a bone that performs the movement

c)

Belly

3.

the largest part of the muscle containing the muscle cells

9.

Think about the action of the triceps. Then label the origin, belly, and insertion.

a)origin
b)insertion
c)belly
1
2
3
1)
2)
3)
10.

Match the following

a)

Synergist

1.

muscles working together in the same direction of motion

b)

Prime Mover or agonist

2.

a muscle that is most important in the creation of a specific action or movement

c)

Antagonist

3.

a muscle that opposes the action of another

11.

Muscles have ​ (a)   or the ability to respond to a stimulus; ​ (b)   or the ability to become short and thick to create movement; ​ ​ (c)   or the ability to be stretched; and ​ (d)   or the ability to return to its original shape.

Choose from the below words
excitability
contractability
extensibility
elasticity
12.

Match the following

a)
1.

smooth or visceral muscle

b)
2.

cardiac muscle

c)
3.

skeletal muscle

13.

Match the following

a)

sarcomeres

1.

the area in the muscle cells that actually shorten the muscle fiber

b)

acetylcholine

2.

the neurotransmitter that causes contraction by generating an action potential

c)

action potential

3.

the electrical activity created by the stimulus

14.
The outermost layer of connective tissue of a
muscle is the:
a)
fascicle.
b)
epimysium.
c)
endomysium.
d)
perimysium.
15.
The thick myofibril filament of a sarcomere is
composed of a protein:
a)
actin.
b)
myosin.
c)
sarcolemma.
d)
titin.
16.
The muscle primarily responsible for a movement
is the:
a)
prime mover (agonist).
b)
synergist.
c)
antagonist.
d)
origin.
17.
The neuron and the collection of muscle fibers it innervates is called the:
a)
neural impulse.
b)
motor neuron.
c)
muscle fiber.
d)
motor unit.
18.
The functional contractile unit within muscle fiber is the:
a)
sarcoplasm.
b)
sarcolemma.
c)
sarcomere.
d)
sarcoplasmic reticulum.
19.
The functional contractile unit within muscle fiber is the:
a)
actin.
b)
nucleus.
c)
mitochondrion.
d)
sarcomere.
20.
According to the sliding filament model, muscle
contraction begins when:
a)
calcium ion concentration increases exposing binding sites.
b)
myosin heads pull on actin filaments.
c)
ATP splits to form ADP and P.
d)
myosin heads release the actin filaments
21.
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.
22.
Muscles located in the arm that move the forearm at the elbow joint have insertions on the:
a)
scapula and clavicle.
b)
radius or ulna.
c)
humerus.
d)
carpals, metacarpals, and phalanges.
23.
One of the characteristics of muscles is extensibility. This allows muscles to:
a)
React to an impulse
b)
Contract
c)
Stretch
d)
Consume oxygen
24.
The walls of the heart are made of:
a)
Cardiac muscle
b)
Coronary muscle
c)
Striated muscle
d)
Voluntary muscle
25.
Where would you find a voluntary muscle?
a)
In blood vessel walls
b)
Attached to the femur
c)
Inside the heart
d)
Lining the stomach
26.
After you swallow food, what kind of muscle moves the food toward your stomach?
a)
Cardiac
b)
Skeletal
c)
Voluntary
d)
Smooth
27.
When a muscle attaches to a bone, the end that does not move is the:
a)
Tendon
b)
Root
c)
Origin
d)
Insertion
28.
Where is the latissimus dorsi located?
a)
Shoulder
b)
Neck
c)
Back
d)
Leg
29.
What muscle is located in the calf?
a)
Gastrocnemius
b)
Triceps
c)
Trapezius
d)
Gluteus maximus
30.

Which type(s) of muscle are NOT striated?

a)

Cardiac

b)

Skeletal

c)

Smooth

31.

Tendons attach...

a)

bone to bone

b)

muscle to bone

c)

muscle to muscle

d)

muscle to nerves

32.

Muscles first are stimulated to contract by...

a)

mitochondria

b)

neurons

c)

nuclei

d)

sarcomeres

33.

Myofibrils are made of...

a)

muscle cells

b)

myocytes

c)

sarcomeres

d)

Z lines

34.

Within a sarcomere, myosin filaments pull on...

a)

actin filaments

b)

other myosin filaments

c)

muscle fibers

d)

Z lines

35.

When myosin pulls on the actin filaments, this causes the sarcomere too...

a)

dilate

b)

get longer

c)

grow

d)

shorten

36.

In the diagram, #4 is labeling a(n)...

a)

actin filament

b)

myosin filament

c)

Z line

d)

microfibril

37.

The arrow is pointing to the

a)

bicep

b)

deltoid

c)

pectoral

d)

tricep

38.

The arrow is pointing to the...

a)

calf muscle

b)

gluteus maximum

c)

oblique muscle

d)

quadricep muscle

39.

Which is pictured here?

a)

epimysium

b)

perimysium

c)

endomysium

40.
A bundle of muscle fibers is called a ____.
a)
Sarcomere
b)
Fascicle
c)
Tendon
d)
Muscle body
41.
Which muscles are involuntary?
a)
skeletal
b)
cardiac
c)
smooth
d)
smooth and cardiac
42.
Which of these is NOT an antagonistic pair?
a)
Biceps & Triceps
b)
Hamstrings & Quadriceps
c)
Pectorals & Abdominals
d)
Abdominals & Latissimus Dorsi
43.

How are muscles named ?

a)

by location

b)

by fiber direction

c)

by the number of divisions

d)

all these are correct

44.

About how many muscles do you have in your body?

a)

600

b)

50

c)

1,000

d)

100

45.

Muscles are working in your body even when you are asleep and still.

a)

True

b)

False

46.

Which connective tissue surrounds fasicles?

a)

epimysium

b)

endomysium

c)

perimysium

47.

Which connective tissue surrounds individual muscle fibers?

a)

epimysium

b)

endomysium

c)

perimysium

48.

Actin myofilaments are

a)

attached to the z disk

b)

are found primarily in the h zone

c)

are thicker than myosin myofilaments

d)

all of these options

49.

Which structure provides an attachment site for calcium?

a)

actin

b)

troponin

c)

tropomyosin

d)

m-line

50.

Which area of a sarcomere contains only actin?

a)

Z disk

b)

A band

c)

H zone

d)

I band

51.

Which part of the sarcomere does not shorten during muscle contraction?

a)

A band

b)

H zone

c)

I band

d)

None of these

52.

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

53.

What type of muscle is this?

a)

Skeletal

b)

Cardiac

c)

Smooth

54.

Which type of muscle is this?

a)

Smooth

b)

Skeletal

c)

Cardiac

55.

Which type of muscle is this?

a)

Skeletal

b)

Cardiac

c)

Smooth

56.

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

57.

What structure in the muscle fiber stores calcium?

a)

sarcoplasm

b)

sarcolemma

c)

sarcoplasmic reticulum

d)

transverse tubules

58.

The wasting away of muscle due to lack of use is called ______.

a)

dystrophy

b)

atrophy

c)

hypertrophy

d)

myalgia

59.

In response to action potentials arriving along the transverse tubules, the sarcoplasmic reticulum releases _______.

a)

acetylcholine

b)

sodium

c)

potassium

d)

calcium

60.

Muscle contraction is initiated when a _______ sends an action potential to the muscle cell.

a)

sensory neuron

b)

motor neuron

c)

synapse

d)

inter neuron

61.

Marathon runners have a large proportion of ________ muscle fibers, which has a high supply of myoglobin and mitochondria.

a)

slow twitch

b)

fast twitch

62.

What is the name of this muscle?

a)

trapezius

b)

deltoid

c)

pectoralis major

d)

latissimus dorsi

63.

What is the name of this muscle?

a)

trapezius

b)

deltoid

c)

rectus abdominis

d)

pectoralis major

64.

What is the name of this muscle?

a)

biceps femoris

b)

gluteus maximus

c)

gluteus minimus

d)

gastrocnemius

65.

What is the name of the muscle in red?

a)

triceps brachii

b)

biceps brachii

c)

quadriceps femoris

d)

deltoid

66.

What is the name of the muscle in red?

a)

gastrocnemius

b)

quadriceps femoris

c)

biceps femoris

d)

soleus

67.

The neurotransmitter that gets a muscle contraction started is called _______.

a)

acetylcholine

b)

serotonin

c)

dopamine

d)

adrenaline

68.

Shoulder muscles that move the arm at the shoulder joint have insertions on the ______.

a)

humerus

b)

scapula

c)

clavicle

d)

radius

69.

What is the name of the highlighted muscle?

a)

deltoid

b)

trapezius

c)

latissimus dorsi

d)

sartorius

70.

The main function of the muscular system is ______.

a)

movement

b)

protection

c)

filtration

d)

circulation

71.

The muscle that raises the eyebrows is the ______.

a)

frontalis

b)

zygomaticus

c)

temporalis

d)

masseter

72.

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

a)

produce movement

b)

maintain posture

c)

maintain body temperature

d)

filtration of blood

73.

The muscle directly deep to the gastrocnemius is the ______.

a)

peroneus

b)

soleus

c)

sartorius

d)

tibialis anterior

74.

The delicate membrane surrounding each stiated muscle fiber:

a)

sacrolemma

b)

epimysium

c)

perimysium

d)

peristalis

75.

What does anaerobic glycolysis not require to occur?

a)

Oxygen

b)

Carbon dioxide

c)

Glucose

d)

ATP

76.

my/o

a)

tone

b)

movement

c)

tendon

d)

muscle

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