WorksheetsUnit 7: Muscular System Test
Total questions: 93
Worksheet time: 1hrs 2mins
ONLY WRITE THE LETTER
Unit of muscle fibers wrapped with perimysium.
(a)
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Inflammation of a tendon.
(a)
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Movement that returns a body segment from a position of flexion to anatomical position.
(a)
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Individual skeletal muscle cells
(a)
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Voluntary muscle.
(a)
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Symmetrical squeezing of the walls of the digestive tract.
(a)
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Muscle attachment to a relatively fixed structure.
(a)
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A single motor neuron and all of the muscle fibers that it stimulates.
(a)
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Strong fibrous membrane that wraps groups of muscle fibers.
(a)
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Cell membrane of a muscle fiber.
(a)
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Muscle attachment to a bone that typically moves when the muscle contracts.
(a)
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Movement of a body segment away from the midline of the body.
(a)
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Forward movement of a body segment away from anatomical position.
(a)
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Movement of a body segment closer to the midline of the body.
(a)
What is letter A?
fascicle
muscle fiber
tendon
perimysium
What is letter B?
fascicle
muscle fiber
tendon
perimysium
What is letter C?
fascicle
muscle fiber
tendon
perimysium
What is letter D?
fascicle
muscle fiber
tendon
perimysium
pennate fiber arrangement
A
B
parallel fiber arrangement
A
B
What movement is Letter A?
extension
flexion
abduction
adduction
Pronation
What movement is Letter B?
extension
flexion
abduction
adduction
Pronation
What movement is Letter C?
extension
flexion
abduction
adduction
Pronation
What movement is Letter D?
extension
flexion
abduction
adduction
Pronation
What movement is Letter E?
extension
flexion
abduction
adduction
Pronation
What movement is Letter F?
extension
flexion
abduction
adduction
Supination
DELTOID
A
B
C
BICEPS BRACHII
A
B
C
rectus femoris
A
B
C
sartorius
A
B
C
gastrocnemius
A
B
C
The number of muscle fibers in a given person is genetically determined.
True
False
Irritability in a muscle is the ability to respond to a stimulus.
True
False
Smooth muscles are voluntarily controlled.
True
False
Muscles always shorten when they develop tension.
True
False
In isometric contractions, there is no change in muscle length.
True
False
Muscles only generate heat during exercise.
True
False
The number of muscle fibers in an individual changes with age.
True
False
There is only one type of fast-twitch muscle fiber.
True
False
The two major categories of muscle fiber arrangement are parallel and pennate.
True
False
Running on a hard surface or uphill can cause shin splint.
True
False
The function of the trapezius muscle is flexion of the head.
True
False
When stimulated to develop tension, muscles can only push.
True
False
Muscle cramps may be caused by dehydration.
True
False
A hernia is a balloon-like section of the abdominal cavity that protrudes through a hole in the muscles of the abdomen.
True
False
A contusion is an inflammation of a tendon.
True
False
Muscular dystrophy is a group of inherited disorders.
True
False
Skeletal muscles must be stimulated by nerve impulses to contract.
True
False
Skeletal muscles that are not used will hypertrophy, and those that are used excessively will atrophy.
True
False
A muscle strain is a sustained contraction of the muscle.
True
False
Another name for a muscle spasm is a cramp.
True
False
Muscles are responsible for producing most of our body heat
True
False
Cardiac muscle is an example of a voluntary muscle.
True
False
Muscles only push, never pull.
True
False
Muscles only pull, never push.
True
False
Skeletal muscle is also known as (a) muscle due to its prominent cross-stripes.
When a muscle contracts, it (a) on the bones at the attachment sites.
The prime mover muscle group is the (a) and the opposing muscle group is the antagonist.
(a) contraction results in shortening of a muscle.
Extensibility is the ability of a muscle to be (a) .
The nerve that stimulates skeletal muscle is known as a (a) neuron.
(a) -twitch muscle is more resistant to fatigue than fast- twitch muscle.
The functional units inside a muscle fiber are the (a) .
The movement in which the sole of the foot is rolled outward is (a) .
Lateral rotation of the forearm is (a) .
Localized pain in the lower leg is known as shin (a) .
Nearly (a) of our body weight comes from muscles.
The major source of energy for muscles is (a) .
(a) is caused by an accumulation of lactic acid in the muscles.
(a) can occur to muscles that are infrequently used.
Which of the following is not a type of muscle fiber?
skeletal
rough
smooth
cardiac
Skeletal muscle fibers contain ____ nuclei (nucleus).
multiple
two
one
zero
All of the following are behavioral characteristics of muscles except ____.
bendability
extensibility
contractility
elasticity
Which of the following muscles are involuntary?
cardiac
skeletal
smooth
cardiac & smooth
Smooth muscle fibers contain ____ nuclei (nucleus).
multiple
two
one
zero
The release of ____ ions with the arrival of the action potential enables the attachment of myosin heads to actin filaments.
K+
Ca++
Cl
Na+
A muscle ____ happens when a muscle is stretched beyond its usual limit.
contusion
bruise
strain
cramp
Which of the following is a muscle in the upper back?
rectus abdominis
trapezius
internal oblique
pectoralis major
The _____ muscle causes extension of the forearm.
biceps brachii
brachioradialis
brachialis
triceps brachii
The muscle that encircles the eye is the ____.
orbicularis oculi
frontalis
zygomaticus
nasalis
Which of the following muscles is attached to the Achilles tendon?
tibialis anterior
adductor muscle
sartorius
gastrocnemius
All of the following are members of the hamstring group except ____.
semitendinosus
semimembranosus
sartorius
biceps femoris
Which of the following is caused by an impact?
cramps
tennis elbow
strains
contusion
Forward movement of a body segment away from anatomical position in the sagittal plane is known as ____.
eversion
flexion
extension
hyperextension
The muscle on the back of the upper arm is called the _____.
deltoid
tricep
bicep
The part of a skeletal muscle that is attached to a fixed structure is called the _____.
ligament
prime mover
insertion
origin
The ability of a muscle to return to its original length is called _____.
extensibility
contractibility
elasticity
excitability
The ability of a muscle to reduce the distance between the parts of its contents is _____.
extensibility
contractibility
elasticity
excitability
The type of muscle that is attached to the bone of the skeleton is _____.
skeletal
cardiac
smooth
Which of the following is true regarding fibromyalgia?
It is characterized by sudden acute pain.
The treatment is surgical.
The etiology is a bacterial infection.
It is a complex of symptoms (syndrome).
Which of the following hernias occur when the stomach pushes through the diaphragm?
abdominal
inguinal
hiatal
Which of the following would be categorized as a recreational injury?
tetanus
rotator cuff disease
torticollis
Each skeletal muscle cell is known as a(n) ____.
muscle fiber
sarcoplasm
sarcolemma
