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Muscular System

Total questions: 42

Worksheet time: 23mins

Name
Class
Date
1.

The insertion of the biceps brachii is....

a)

Clavicle

b)

Scapula

c)

Humerus

d)

Radius

2.

What is the name of the dense fibrous, cord-like connective tissue that attaches muscle to bone?

a)

Ligaments

b)

Cartilage

c)

Epithelial

d)

Tendons

3.

Muscles are composed of bundles of muscle fibers called...

a)

Vestibules

b)

Fascicles

c)

Sarcomeres

d)

Myofibrils

4.
When a muscle contracts, it _______
a)
gets longer
b)
gets shorter
c)
gets thinner
d)
grows hair
5.
What are the 3 types of muscle tissue?
a)
Thigh, Calf, & Shoulder
b)
Traps, Forearm, & Abs
c)
Hamstring, Biceps, & Triceps
d)
Smooth Muscle, Cardiac Muscle, & Skeletal Muscle
6.
Which type of muscle is found in your heart?
a)
Skeletal
b)
Smooth
c)
Cardiac
d)
Straight
7.

__________ connect muscles to bones

a)

tendons

b)

collagen

c)

joints

d)

cartilage

8.
Acetylcholine
a)
is responsible for producing lactic acid
b)

a neurotransmitter, it causes an action potential to begin in muscle fibers

c)
gives us good muscle tone
d)
causes cramps and spasms
9.

Which chemicals must be present for the process of muscle contraction to occur continuously?

a)

amino acids

b)

phosphorus

c)
lactic acid
d)
ATP and Calcuim
10.
The part of a skeletal muscle from z-line to z-line is called
a)
nucleus
b)
H-zone
c)
perimysium
d)
sarcomere
11.
Which structure contains large amounts of calcium used for muscle? 
a)
sarcomere
b)
mitochondria
c)
sarcoplasmic reticulum
d)
myofibril
12.
a)
Flexion
b)
extension
c)
abduction
d)
adduction
13.
a)
Flexion
b)
extension
c)
abduction
d)
adduction
14.

Identify the highlighted muscle

a)

Deltoid

b)

Biceps

c)

Trapezius

d)

Hamstring

15.

Identify the highlighted muscle

a)

Hamstrings

b)

Quadriceps

c)

Sartorius

d)

Gastrocnemius

16.

Identify the highlighted muscle

a)

Deltiod

b)

Trapezius

c)

Latissimus Dorsi

d)

Sartorius

17.

Identify the highlighted muscle

a)

Hamstring

b)

Gastrocnemius

c)

Achilles Tendon

d)

Trapezius

18.

Identify the highlighted muscle

a)

Hamstrings

b)

Deltoid

c)

Gluteus Maximus

d)

Oblique

19.
The thick filament is composed of: 
a)
Myosin
b)
Actin
20.
The thin filament is composed of: 
a)
Myosin
b)
Actin
21.
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
22.

When lowering into a squat, the quads contract while lengthening in order to prevent you from falling. What type of contraction is occurring?

a)

Ecentric

b)

Concentric

c)

Isometric

d)

origin

23.
The functional contractile unit within muscle fiber is the:
a)
sarcoplasm.
b)
sarcolemma.
c)
sarcomere.
d)
sarcoplasmic reticulum.
24.
Chest and shoulder muscles that move the arm at the shoulder joint have insertions on the:
a)
humerus.
b)
scapula.
c)
clavicle and ribs.
d)
radius or ulna.
25.

What type of motion is generated by the anterior thigh muscles (the quads)?

a)
flexion of the leg at the knee joint.
b)
abduction of the thigh at the hip joint.
c)
extension of the leg at the knee joint.
d)
adduction of the thigh at the hip joint.
26.
Which of the following muscles is not part of the quadriceps group?
a)
semitendinosus
b)
rectus femoris
c)
vastus lateralis
d)
vastus medialis
27.
Which of the following muscles is not part of the hamstring group?
a)
semitendinosus
b)
biceps femoris
c)
semimembranosus
d)
rectus femoris
28.

Sally is performing a push-up, during the upward phase which muscle causes arm extension?  

a)
Triceps
b)
Biceps
29.

What is 1?

a)

Sarcomere

b)

Actin (thin filament)

c)

Myosin (thick filament)

d)

Z line

30.

What is 3 pointing at?

a)

Sarcomere

b)

Actin (thin filament)

c)

Myosin (thick filament)

d)

Z line

31.

What is 5?

a)

Sarcomere

b)

Actin

c)

Myosin

d)

Z line

32.

What happens to the distance between Z lines when a muscle relaxes?

a)

increases

b)

decreases

33.
The tough, sheetlike membrane that covers and protects muscle is:
a)
Fascia
b)
A ligament
c)
A tendon
d)
Periostum
34.
What muscle movement occurs when you move your hand from an open palm to a fist?
a)
Adduction
b)
Abduction
c)
Flexion
d)
Extension
35.
When a muscle attaches to a bone, the end that does not move is the:
a)
Tendon
b)
Root
c)
Origin
d)
Insertion
36.

This muscle flexes the trunk (4)

a)

rectus abdominus

b)

pectoralis major

c)

sartorius

d)

trapezius

37.

What is the name of the plasma membrane surrounding each muscle fiber?

a)

T Tubule

b)

Sarcolemma

c)

Sarcoplasm

d)

Nucleus

38.

What is the name of the location where the neuron and muscle fiber meet?

a)

Sarcoplasm

b)

Sacolemma

c)

Neuromuscular junction

d)

Axon terminal

39.

What is the name of the neurotransmitter that is released from the neuron to the sarcolemma?

a)

Acetylcholine

b)

Acetone

c)

ATP

d)

Calcium

40.

Which of these occurs first during a muscle contraction?

a)

The nerve signal reaches the neuromuscular junction

b)

Ach is released and opens Na ion channels

c)

The sarcomere shortens

d)

The myosin binds to the actin

41.
Another name for a muscle cell is 
a)
fascicle
b)
myofibril
c)
myofilament
d)
muscle fiber
42.
a bundle of muscle fibers
a)
actin
b)
mysoin
c)
fascicle
d)
sarcomere

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