Quiz about Muscular System Test

Question 1

Skeletal muscle is also known as

Accepted Answer

Striated muscle

Answer

Cardiac muscle

Answer

Smooth muscle

Answer

Contractile muscle

Question 2

Intercalated discs can be found in which muscle type?

Accepted Answer

Cardiac muscle

Answer

Striated muscle

Answer

Smooth muscle

Answer

Contractile muscle

Question 3

A muscle cell is also known as a

Accepted Answer

Muscle fiber

Answer

Myofilament

Answer

Myofibril

Answer

Fascicle

Question 4

The connective tissue that surrounds each muscle and may project to form a tendon is called

Accepted Answer

Fascia

Answer

Aponeuroses

Answer

Perimyseium

Answer

Epimyseium

Question 5

Skeletal muscle is composed of all of the following tissues EXCEPT

Accepted Answer

Epithelial tissue

Answer

Nervous tissue

Answer

Connective tissue

Answer

Muscle tissue

Question 6

Bundles of skeletal muscle fibers are called

Accepted Answer

Fascicles

Answer

Myofilaments

Answer

Myofibrils

Answer

Perimysium

Question 7

The connective tissue that forms a thin covering over each muscle fiber is

Accepted Answer

Endomysium

Answer

Epimysium

Answer

Fascia

Answer

Perimysium

Question 8

The cell membrane of a muscle cell is called the

Accepted Answer

Sarcolemma

Answer

Sarcoplasm

Answer

Sarcoplasmic reticulum

Answer

Sarcomere

Question 9

Myofibrils are made of filaments composed mainly of

Accepted Answer

Actin and myosin

Answer

Troponin and troposmyosin

Answer

Cisternae and transverse tubules

Answer

Carbohydrates and lipids

Question 10

Thick filaments are made of

Accepted Answer

Myosin

Answer

Actin

Answer

Troponin

Answer

Tropomyosin

Question 11

The area of the myofibril that covers Z-line to Z-line is called the

Accepted Answer

Sarcomere

Answer

H zone

Answer

I band

Answer

A band

Question 12

The area that forms the darkest part of the myofibril where the thick and thin filaments overlap is called the

Accepted Answer

A band

Answer

H zone

Answer

I band

Answer

Sarcomere

Question 13

Thin filaments are made of

Accepted Answer

Actin

Answer

Troponin

Answer

Myosin

Answer

Tropomyosin

Question 14

The nerve cell that connects to a skeletal muscle fiber is called a

Accepted Answer

Motor neuron

Answer

Sensory neuron

Answer

Contractile Neuron

Answer

Muscle Neuron

Question 15

The connection between the nerve cell and the muscle fiber it controls is called a

Accepted Answer

Neuromuscular junction

Answer

Neurotransmitter

Answer

Motor junction

Answer

Motor neuron

Question 16

The neurotransmitter that is released by the nerve cell to stimulate contraction is

Accepted Answer

Acetylcholine

Answer

Atropine

Answer

Norepinephrine

Answer

Epinephrine

Question 17

ATP is used to supply the energy for muscle fiber contraction, but is quickly used up.  Cells are able to regenerate ATP from ADP + P by using

Accepted Answer

Creatine phosphate

Answer

Creatine

Answer

Lactic Acid

Answer

Acetylcholinesterase

Question 18

Muscle cells are able to store their own oxygen supply by using the protein

Accepted Answer

Myoglobin

Answer

Sarcoglobin

Answer

Hemoglobin

Answer

Neuroglobin

Question 19

A muscle that has been used strenuously for a long period may lose its ability to contract, giving a condition called

Accepted Answer

Fatigue

Answer

Tetanus

Answer

Cramp

Answer

Twitch

Question 20

The majority of end product from muscle cell respiration is

Accepted Answer

Heat

Answer

Water

Answer

Energy

Answer

Protein

Question 21

When a muscle has used all of its oxygen supply, it can still get energy from glucose by forming

Accepted Answer

Lactic acid

Answer

Creatine

Answer

Hemoglobin

Answer

Myosin

Question 22

The minimal strength required for a muscle contraction to occur is called

Accepted Answer

Threshold stimulus

Answer

Action potential

Answer

Muscle impulse

Answer

All-or-none response

Question 23

The action in which a single muscle fiber contracts and relaxes in a fraction of a second is called

Accepted Answer

A twitch

Answer

A stimulus

Answer

A tetanic contraction

Answer

A cramp

Question 24

When a muscle undergoes a sustained contraction that lacks relaxation, it has

Accepted Answer

Tetanus

Answer

Summation

Answer

Twitch

Answer

Myopic cramp

Question 25

Even when a muscle appears to be at rest, some fibers undergo sustained contraction to maintain the body's posture.  This is called

Accepted Answer

Muscle tone

Answer

Latent period

Answer

Recruitment

Answer

Tetanic contraction

Question 26

Muscle used to voluntarily move is

Accepted Answer

Skeletal

Answer

Visceral smooth

Answer

Multiunit smooth

Answer

Cardiac

Question 27

The type of muscle found in hollow organs such as the stomach and intestines would be

Accepted Answer

Visceral smooth

Answer

Skeletal

Answer

Multiunit smooth

Answer

Cardiac

Question 28

The type of muscle found in the irises and blood vessels would be

Accepted Answer

Multiunit smooth

Answer

Skeletal

Answer

Visceral smooth

Answer

Cardiac

Question 29

The type of muscle found in the heart would be

Accepted Answer

Cardiac

Answer

Skeletal

Answer

Visceral smooth

Answer

Multiunit smooth

Question 30

When a smooth muscle is stimulated it can form a rhythm or wavelike motion called

Accepted Answer

Peristalsis

Answer

Latency

Answer

Muscle tone

Answer

Zumba

Question 31

The point of attachment of a muscle at the movable end is called

Accepted Answer

Insertion

Answer

Flexion

Answer

Extension

Answer

Origin

Question 32

The point of attachment of a muscle at the immovable end is called

Accepted Answer

Origin

Answer

Flexion

Answer

Insertion

Answer

Extension

Question 33

Muscles that act as "prime movers" are also known as

Accepted Answer

Agonists

Answer

Synergists

Answer

Antagonists

Answer

Recruiters

Question 34

Muscles that move in opposite direction to prime movers are

Accepted Answer

Antagonists

Answer

Synergists

Answer

Agonists

Answer

Recruiters

Question 35

Muscles that assist prime movers are

Accepted Answer

Synergists

Answer

Agonists

Answer

Antagonists

Answer

Recruiters

Question 36

Muscles that move a body part away from the median line are

Accepted Answer

Abductors

Answer

Adducters

Answer

Flexors

Answer

Extensors

Question 37

Muscles that raise a body part are called

Accepted Answer

Levators

Answer

Adducters

Answer

Depressors

Answer

Abducters

Question 38

Muscles that move a body part towards the median line are

Accepted Answer

Adductors

Answer

Levators

Answer

Depressors

Answer

Abductors

Question 39

Muscles that bend a joint are called

Accepted Answer

Flexors

Answer

Extensors

Answer

Adductors

Answer

Levators

Question 40

Which graph below would represent tetanus?

Accepted Answer

C

Answer

A

Answer

B

Answer

None of them.

Question 41

Which of the graphs below would represent muscle fatigue?

Accepted Answer

B

Answer

A

Answer

C

Answer

None of them

Muscular System Test

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