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Muscular Unit Review

Total questions: 40

Worksheet time: 30mins

Name
Class
Date
1.
Which action allows you to move your leg in towards your midline?
a)
Abduction
b)
Adduction
c)
Flexion
d)
Medial Rotation
2.

If you want a moderate amount of force, each muscle cell will contact partially instead of fully. True or False?

a)

True

b)

False

3.
What is a bundle of muscle cells called?
a)
Muscle fiber
b)
Fascicle
c)
Epimysium
d)
Sarcomere
4.
Which of the following action terms matches this image best.
a)
Pronation
b)
Supination
c)
Extension
d)
Dorsiflexion
5.

Sarcomeres are the smallest functional unit of a muscle. They include myofilaments called:

a)

Z lines

b)

muscle fibers

c)

actin and myosin

d)

origin and insertion

6.

____mysium wraps around the entire muscle; ____mysium wraps around a fascile; ____mysium wraps around a muscle cell.

a)

Endo, epi, peri

b)

Epi, peri, endo

c)

Peri, endo, epi

d)

Endo, peri, epi

7.

Which action term best describes what's happening to the knee?

a)

Flexion

b)

Extension

c)

Abduction

d)

Adduction

8.

Beginning in the anatomical position, which action would get you into this position (see picture)?

a)

Medial rotation of the shoulder

b)

Abduction of the shoulder

c)

Adduction of the shoulder

d)

Flexion of the shoulder

9.

Which of the following actions would make this pose impossible?

a)

Flexion at the left knee

b)

Extension of the right hip

c)

Pronation of forearm

d)

Flexion of elbow

10.
Which muscle type is found in your stomach, bladder, and intestines?
a)
Skeletal
b)
Smooth
c)
Cardiac
d)
Straight
11.
When a muscle contracts, it _______
a)
gets longer
b)
gets shorter
c)
gets thinner
d)
grows hair
12.
Which types of muscle tissue are voluntary?
a)
Cardiac
b)
Skeletal
c)
Smooth
d)
Cardiac and Smooth
13.
During ____________________ the arm moves inward and toward the side of the body.
a)
abduction
b)
adduction
c)
circumduction
d)
rotation
14.
The location where a muscle fiber and neuron meet is called:
a)
Neuromuscular Junction
b)
Musculoneural Junction
c)
Sarcomere
d)
Motor Neuron
15.
During the first phase of contraction, what leaves the neuron and binds to the muscle fiber?
a)
A neurotransmitter called Acetylcholine (ACh)
b)
Calcium ions
c)
Sodium ions
d)
An action potential
16.

The quadriceps group consists of.........................

a)

Bicep Femoris, Semimembranosus, Semitendinosus

b)

Erector Spinae, Trapezius, Teres Major

c)

Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius

d)

Rectus Abdominis, Obliques, Latissimus Dorsi

17.

The dark bands are called the ______ bands, whereas the light bands are called the ______ bands.

a)

Z, I

b)

A, I

c)

I, A

d)

A, Z

18.

What do you call the "shrinkage" of the a muscle due to lack of use?

a)

hypertrophy

b)

atrophy

c)

endotrophy

d)

threshold

19.

Muscle fatigue and soreness is due mainly to an accumulation of:

a)

ATP

b)

cholinesterase

c)

lactic acid

d)

creatine phosphate

20.

Which muscle types are striated?

a)

smooth

b)

cardiac

c)

skeletal

21.

Which type of muscle is voluntary?

a)

smooth

b)

cardiac

c)

skeletal

22.

A muscle contraction which does not involve actual movement, such as a plank or wall sit is a/an

a)

concentric contraction

b)

isometric contraction

c)

eccentric contraction

d)

extension contraction

23.
Turning the sole of the foot inwards is called __________.
a)
Out
b)
In
c)
Eversion
d)
Inversion
24.
What is being shown here?
a)
Dorsiflexion
b)
Plantarflexion
c)
Inversion
d)
Eversion
25.

The muscle fiber membrane is known as the:

a)

vesicle

b)

sarcolemma

c)

endomysium

d)

sarcomere

26.

Muscles that work in opposite directions are __________ muscles.

a)

optimistic

b)

antagonistic

c)

pessimistic

d)

synergistic

27.

Muscles that work together to produce the same movement are __________ muscles.

a)

optimistic

b)

antagonistic

c)

pessimistic

d)

synergistic

28.

extension that is greater than 180 degrees and is beyond anatomical position

a)

flexion

b)

extension

c)

hyperextension

d)

abduction

29.
Identify the joint action being performed.
a)
Circumduction
b)
Lateral Rotation
c)
Medial Rotation
d)
Eversion
30.

Name this movement

a)

extension

b)

flexion

c)

adduction

d)

abduction

31.

Name this movement

a)

adduction

b)

abduction

c)

inversion

d)

eversion

32.

Choose which muscle naming rules are used for (check all that apply):

Frontalis

a)

Direction of muscle fibers

b)

Shape of the muscle

c)

Action of the muscle

d)

Location of the muscle

e)

Direction of muscle fibers

33.

Choose which muscle naming rules are used for (check all that apply):

Rectus abdominis

a)

Action of the muscle

b)

Number of origins

c)

Location of the muscle

d)

Number of origins

e)

Direction of the muscle fibers

34.

Choose which muscle naming rules are used for (check all that apply):

Adductor group

a)

Relative size of the muscle

b)

Location of the muscle

c)

Number of origins

d)

Action of the muscle

e)

Shape of the muscle

35.

Choose which muscle naming rules are used for (check all that apply):

Trapezius

a)

Action of the muscle

b)

Direction of the muscle fibers

c)

Number of origins

d)

Relative size of the muscle

e)

Shape of the muscle

36.

Choose which muscle naming rules are used for (check all that apply):

Sternocleidomastoid

a)

Direction of muscle fibers

b)

Number of origins

c)

Location of muscle

d)

Location of the muscle's origin and insertion

e)

Direction of the muscle fibers

37.

Choose which muscle naming rules are used for (check all that apply):

External oblique

a)

Location of muscle

b)

Direction of muscle fibers

c)

Relative size of the muscle

d)

Action of the muscle

e)

Location of muscle's origin and insertion

38.

Choose which muscle naming rules are used for (check all that apply):

Extensor digitorum longus

a)

Direction of muscle fibers

b)

Location of muscle

c)

Action of muscle

d)

Relative size of the muscle

e)

Shape of the muscle

39.

Some muscles are connected to each other by broad sheets of connective tissue called _____________.

a)

fascia

b)

aponeuroses

c)

endomysium

d)

perimysium

40.

The point of muscle attachment to an immovable or less movable bone is known as the ________.

a)

innervation

b)

action

c)

insertion

d)

origin