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A&P Muscular System

Total questions: 50

Worksheet time: 29mins

Name
Class
Date
1.
Smooth muscle has the following characteristic
a)
striations
b)
involuntary action
c)
strong contractions
d)
many nuclei
2.
Which ion stimulates the binding of actin to myosin?
a)
potassium
b)
calcium
c)
iron
d)
sodium
3.
Which of the following best describes the role of ATP energy in a muscle contraction?
a)
It binds actin to myosin.
b)
It permits inward movement of the Z-lines
c)
It stimulates the neurotransmitter receptor.
d)
It blocks the action of calcium.
4.
What type of fibrous connective tissue surrounds the fascicles of muscles?
a)
endomysium
b)
perimysium
c)
epimysium
d)
famysium
5.
The outermost layer of connective tissue of a
muscle is the:
a)
fascicle.
b)
epimysium.
c)
endomysium.
d)
perimysium.
6.
a)
Pectorals
b)
Rectus Abdominis
c)
Quadriceps
d)
Trapezius
7.
What connects skeletal muscle to bone?
a)
Tendons
b)
Ligaments
c)
Z lines
d)
Blood vessels
8.
A bundle of muscle fibers is called __________.
a)
Sarcomere
b)
Fascicle
c)
Tendon
d)
Muscle body
9.
The thick myofibril filament of a sarcomere is
composed of a protein:
a)
actin.
b)
myosin.
c)
sarcolemma.
d)
titin.
10.
The functional contractile unit within muscle fiber is the:
a)
sarcoplasm.
b)
sarcolemma.
c)
sarcomere.
d)
sarcoplasmic reticulum.
11.
a)
Deltoid
b)
Pectorals
c)
Bicep 
d)
Trapezius
12.
a)
Rectus Abdominis
b)
Pectorals
c)
Deltoid
d)
External Oblique
13.

Which muscle is labeled 2

a)

orbicularis oculi

b)

platysma

c)

frontalis

d)

occipitals

14.

Which muscle is labeled E

a)

frontalis

b)

orbicularis oculi

c)

orbicularis oris

d)

zygomaticus

15.

Attachment to a moveable bone is the ________________ point

a)

Insertion

b)

Origin

16.

Attachment to a immoveable bone is the ________________ point

a)

Insertion

b)

Origin

17.

When you flex you _______________ the angle of the joints that bring two bones closer together, and when you extend you ________________ the angle of the joint.

a)

increase, decrease

b)

decrease, increase

18.

Identify the sarcomere in the diagram above.

a)

A

b)

B

c)

F

d)

G

e)

H

19.

What is another name for #10?

a)

Sarcomere

b)

Sarcolemma

c)

Myofibril

d)

Myofiber

20.
A sarcomere is
a)
A protein filament or fiber
b)
The basic contractile unit of muscle contraction
c)
An organelle
d)
An organ
21.

Long organelles in the myofibrils.

a)

Fascicle

b)

Myofilaments

c)

Sarcomere

d)

Sarcolemma

22.
During muscle contraction the 'Z' Lines will...
a)
Disappear
b)
Get Farther apart
c)
Get Closer Together
d)
Appear Thicker
23.

This muscle flexes the elbow (7)

a)

triceps

b)

biceps

c)

latissimus dorsi

d)

deltoid

24.

This muscle allows for dorsiflexion of the foot (5)

a)

tibialis anterior

b)

gastrocnemius

c)

quadriceps group

d)

hamstrings

25.

This muscle helps to shrug the shoulders (2)

a)

deltoid

b)

sternocleidomastoid

c)

trapezius

d)

biceps

26.

This muscle moves the hips forward (10)

a)

gluteus maximus

b)

hippus forwardus

c)

quadriceps group

d)

gluteus minimus

27.

This muscle extends the elbow (6)

a)

triceps

b)

biceps

c)

latissimus dorsi

d)

external oblique

28.
Identify the muscle.
a)
Hamstring
b)
Gastrocnemius
c)
Deltoid
d)
Latissimus Dorsi
29.
Identify the muscle.
a)
Hamstring
b)
Pectorals
c)
Abdominals
d)
Quadriceps
30.
Identify the muscle.
a)
Bicep
b)
Tricep
c)
Deltoid
d)
Trapezius
31.
Identify the muscle.
a)
Obliques
b)
Trapezius
c)
Gluteus Maximus
d)
Latissimus Dorsi
32.

Definition of fibromyalgia.

a)

Inflammatory form or arthritis.

b)

Autoimmune disorders, including: Mixed connective tissue disease.

c)

A disorder characterized by widespread musculoskeletal pain accompanied by fatigue, sleep, memory, and mood issues.

d)

Disorder characterized by extreme fatigue/tiredness that does not go away with rest and cannot be explained by an underlying medical condition.

33.

Muscular dystrophy is genetic.

a)

True

b)

False

34.

Which of these terms refers to the shape of a muscle?

a)

deltoid

b)

biceps

c)

mastoid

d)

rectus

35.

Which of the following muscles has it's name derived from it's location on the body

a)

biceps brachii

b)

gastrocnemius

c)

soleus

d)

adductor longus

36.

Which of the following muscles has it's name derived from referencing it's size?

a)

Gastrocnemius

b)

Soleus

c)

Tibialis anterior

d)

Gluteus medius

37.

Basis of naming for the latissimus dorsi.

a)

action

b)

position

c)

shape

d)

fasciculus arrangement

38.

The tibialis anterior muscle gets its name ____________________.

a)

Because of its shape

b)

Because of its location

c)

Because of its size

d)

Because of its tendons of origin

39.

The internal oblique muscle gets its name ____________________.

a)

Because of its shape

b)

Because of its location

c)

Because of the direction of muscle fibers

d)

Because of its tendons of origin

40.

What does "rectus" mean?

a)

fibers run perpendicular to the long axis

b)

fibers run parallel to long axis

c)

fibers run at an angle to long axis

d)

stomach

41.
Actin or mysoin containing structure.
a)
Tendon
b)
myofilament
c)
myofibril
d)
Fiber
42.

Muscles can only __________, they never ___________.

a)

push, pull

b)

pull, push

43.

Muscles are named based on...

a)

location

b)

shape

c)

size

d)

# of origins

44.

name the muscle

a)

Rectus Femoris

b)

Biceps femoris

c)

Semimembranosus

d)

Semitendinosus

45.

name the muscle

a)

Rectus Femoris

b)

Biceps femoris

c)

Semimembranosus

d)

Semitendinosus

46.

name the muscle

a)

sartorius

b)

Vastus Intermedius

c)

Rectus Femoris

d)

Vastus Lateralis

47.

name the muscle

a)

Vastus Medialis

b)

Vastus Intermedius

c)

Rectus Femoris

d)

Vastus Lateralis

48.

name the muscle

a)

Vastus Medialis

b)

Vastus Intermedius

c)

Rectus Femoris

d)

Vastus Lateralis

49.

The type of exercise where no movement takes place while a force is being exerted against an immovable object.

a)

Isometric

b)

Isotonic

c)

Isokinetic

50.

What type of contraction is happening here??

a)

isostabilize

b)

isokinetic

c)

isotonic

d)

isometric

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