Question 1

An individual skeletal muscle is a bundle of fascicles composed of bundles of muscle fibers consisting of bundles of myofibrils made up of numerous filaments.

Accepted Answer

A) True 
 B)False

Question 2

A visible, involuntary twitch of an entire motor unit is called a fasciculation.

Accepted Answer

A) True 
 B)False

Question 3

Smooth muscle is under voluntary control.

Accepted Answer

A) True 
 B)False

Question 4

All of the following are events that occur in skeletal muscle fibers EXCEPT

Accepted Answer

A)  tetanus
B)  twitch contractions
C)  rigor mortis
D)  wave summation
E)  autorhythmicity

Question 5

The tibialis anterior is found on the back of the shin.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following types of athlete would likely have the highest percentage of slow oxidative (SO) fibers in their quadriceps muscles?

Accepted Answer

A)  world class sprinter
B)  Olympic power lifter
C)  NBA basketball player
D)  world class marathoner
E)  Not enough information is provided to answer this question.

Question 7

Describe the connective tissue components of a skeletal muscle.

Accepted Answer

An entire muscle is surrounded by a conn...

Question 8

The H zone is located in the center of the I band of a sarcomere.

Accepted Answer

A) True 
 B)False

Question 9

A muscle that has three origins is called a

Accepted Answer

A)  biceps
B)  triceps
C)  quadriceps
D)  deltoids
E)  trapezius

Question 10

Cardiac muscle tissue is

Accepted Answer

A)  striated, multinucleated, and voluntary
B)  non-striated, uninucleated, and involuntary
C)  striated, uninucleated, and involuntary
D)  non-striated, multinucleated, and involuntary
E)  striated, multinucleated, and involuntary

Question 11

The medical term that means pain in or associated with muscles is

Accepted Answer

A)  hypertonia
B)  proprioception
C)  myotonia
D)  myalgia
E)  myositis

Question 12

A twitch contraction involves a brief contraction of all the muscle fibers found in a single skeletal muscle.

Accepted Answer

A) True 
 B)False

Question 13

The general term used to designate problems resulting from damage to or disease of any components of a motor unit including the somatic motor neuron, neuromuscular junction or muscle fiber is

Accepted Answer

A)  myalgia
B)  myopathy
C)  neuromuscular disease
D)  muscular dystrophy
E)  fibromyalgia

Question 14

The neurotransmitter released from the motor neuron at a neuromuscular junction is

Accepted Answer

A)  norepinephrine
B)  acetylcholine
C)  adrenaline
D)  calcium
E)  glycine

Question 15

Skeletal muscles are NOT very well supplied with nerves and blood vessels.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is NOT a function of muscle tissue?

Accepted Answer

A)  heat production
B)  control movement of materials like blood within the body
C)  vitamin d production
D)  execute movements of the body
E)  stabilize body position

Question 17

During muscle contraction, the energy in creatine phosphate is directly used to convert

Accepted Answer

A)  ATP to ADP
B)  ADP to ATP
C)  deoxymyoglobin to myoglobin
D)  lactic acid to pyruvic acid
E)  pyruvic acid to lactic acid

Question 18

The point of attachment of a muscle (by means of a tendon) to the stationary bone is called the

Accepted Answer

A)  insertion
B)  fixation
C)  head
D)  origin
E)  ligation

Question 19

Muscle fatigue can be caused by

Accepted Answer

A)  increased ADP.
B)  insufficient oxygen.
C)  depletion of creatine phosphate.
D)  increased lactic acid.
E)  all of the choices are correct.

Question 20

Intermediate filaments are commonly found in

Accepted Answer

A)  cardiac muscle
B)  smooth muscle
C)  skeletal muscle
D)  striated muscle
E)  both skeletal and smooth muscle

Exam 8: The Muscular System

The H zone is located in the center of the I band of a sarcomere.

Correct AnswerverifiedShow Answer

Cardiac muscle tissue is

Correct AnswerverifiedShow Answer

Which of the following is NOT a function of muscle tissue?

Correct AnswerverifiedShow Answer

The point of attachment of a muscle (by means of a tendon) to the stationary bone is called the

Correct AnswerverifiedShow Answer

Skeletal muscles are NOT very well supplied with nerves and blood vessels.

Correct AnswerverifiedShow Answer

All of the following are events that occur in skeletal muscle fibers EXCEPT

Correct AnswerverifiedShow Answer

An individual skeletal muscle is a bundle of fascicles composed of bundles of muscle fibers consisting of bundles of myofibrils made up of numerous filaments.

Correct AnswerverifiedShow Answer

Which of the following types of athlete would likely have the highest percentage of slow oxidative (SO) fibers in their quadriceps muscles?

Correct AnswerverifiedShow Answer

The medical term that means pain in or associated with muscles is

Correct AnswerverifiedShow Answer

During muscle contraction, the energy in creatine phosphate is directly used to convert

Correct AnswerverifiedShow Answer

The general term used to designate problems resulting from damage to or disease of any components of a motor unit including the somatic motor neuron, neuromuscular junction or muscle fiber is

Correct AnswerverifiedShow Answer

The tibialis anterior is found on the back of the shin.

Correct AnswerverifiedShow Answer

A twitch contraction involves a brief contraction of all the muscle fibers found in a single skeletal muscle.

Correct AnswerverifiedShow Answer

A visible, involuntary twitch of an entire motor unit is called a fasciculation.

Correct AnswerverifiedShow Answer

Describe the connective tissue components of a skeletal muscle.

Correct AnswerverifiedAn entire muscle is surrounded by a conn...View AnswerShow Answer

Intermediate filaments are commonly found in

Correct AnswerverifiedShow Answer

A muscle that has three origins is called a

Correct AnswerverifiedShow Answer

Smooth muscle is under voluntary control.

Correct AnswerverifiedShow Answer

Muscle fatigue can be caused by

Correct AnswerverifiedShow Answer

The neurotransmitter released from the motor neuron at a neuromuscular junction is

Correct AnswerverifiedShow Answer

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An entire muscle is surrounded by a conn...
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