Question 1

To a limited degree in mature skeletal muscle, new skeletal muscle fibers (cells) can arise from satellite cells.

Accepted Answer

A) True 
 B)False

Question 2

_____ muscle fibers (cells)  do NOT contain sarcomeres.

Accepted Answer

A)   Smooth
B)   Cardiac
C)   Skeletal
D)   Smooth and cardiacE) A) and D)
F) None of the above

Question 3

Match the connective tissue components of skeletal muscle with the tissues. Identify the description that matches fast glycolytic fibers.

Accepted Answer

A)   adapted for intense movements of short duration, such as weight lifting
B)   adapted for maintaining posture and endurance-type activitiesC) A) and B)
D) undefined

Question 4

Match the connective tissue components of smooth muscle with the tissues. Identify the characteristic of smooth muscle tissue.

Accepted Answer

A)   no transverse tubules
B)   no muscle toneC) A) and B)
D) undefined

Question 5

List four functions of muscle tissue and in one sentence for each function, elaborate on the function or give an example to illustrate the function.

Accepted Answer

1. Producing body movements: movement of...

Question 6

Identify features of this muscle fiber (cell)  structure labeled C.

Accepted Answer

A)   invagination of the sarcolemma
B)   open to the outside of the cell
C)   muscle action potentials are able to propagate through
D)   All of the choices are featuresE) A) and C)
F) All of the above

Question 7

Identify this organelle of the muscle fiber (cell)  labeled B.

Accepted Answer

A)   myofibril
B)   sarcoplasmic reticulum
C)   nucleus
D)   mitochondrionE) A) and C)
F) All of the above

Question 8

Match the connective tissue components of skeletal muscle with the tissues. Identify the description of a synaptic vesicle.

Accepted Answer

A)   membrane-enclosed sac that stores neurotransmitter
B)   a small space that separates the cell membrane of a motor neuron from the sarcolemma of a skeletal muscle cellC) A) and B)
D) undefined

Question 9

The darker area in a sarcomere is called the I band.

Accepted Answer

A) True 
 B)False

Question 10

The connective tissue that surrounds and separates individual skeletal muscle fibers (cells)  is called _____.

Accepted Answer

A)   sarcolemma
B)   fascia
C)   endomysium
D)   epimysiumE) None of the above
F) All of the above

Question 11

Strength training has a positive impact on the body by

Accepted Answer

A)   increasing bone strength.
B)   raising resting metabolic rate.
C)   reducing feelings of stress and fatigue.
D)   all of these answers are correct.E) A) and D)
F) B) and C)

Question 12

A somatic motor neuron together with all the skeletal muscle fibers (cells) it stimulates is called a motor unit.

Accepted Answer

A) True 
 B)False  True

Question 13

Compared to skeletal muscle, cardiac muscle differs in that it:

Accepted Answer

A)   contracts for shorter periods of time.
B)   has a short refractory period.
C)   has a different arrangement of thick and thin filaments.
D)   has branching cells.E) All of the above
F) A) and B)

Question 14

Body building increases the size and strength of which type of muscle fiber?

Accepted Answer

A)   slow oxidative fibers
B)   fast oxidative glycolytic fibers
C)   fast glycolytic fibersD) A) and B)
E) A) and C) C

Question 15

Which is a correct statement?

Accepted Answer

A)   A muscle fiber (cell)  contains myofibrils.
B)   A myofibril contains thick and thin filaments.
C)   Thick and thin filaments are arranged into sarcomeres.
D)   All of the choices are correct.E) B) and C)
F) None of the above

Question 16

The contractile elements of skeletal muscle fibers (cells) are myofibrils.

Accepted Answer

A) True 
 B)False

Question 17

The connective tissue covering this structure labeled C is the

Accepted Answer

A)   sarcolemma
B)   endomysium
C)   perimysium
D)   epimysiumE) B) and D)
F) None of the above B

Question 18

For contraction of a muscle to being, what event must occur at the sarcolemma?

Accepted Answer

A)   blockage of reuptake channels
B)   exocytosis of vesicles storing neurotransmitters
C)   intracellular calcium levels increase after potassium entry
D)   acetylcholine binding and opening of sodium channelsE) All of the above
F) None of the above

Question 19

The connective tissue covering this structure labeled B is the

Accepted Answer

A)   sarcolemma
B)   endomysium
C)   perimysium
D)   epimysiumE) All of the above
F) A) and B)

Question 20

In skeletal muscle, the sarcoplasmic reticulum (SR) :

Accepted Answer

A)   forms transverse (T)  tubules.
B)   is similar to the Golgi complex.
C)   contains extracellular fluid.
D)   releases Ca2+ to trigger contraction.E) None of the above
F) B) and D)

Exam 10: Muscular Tissue

To a limited degree in mature skeletal muscle, new skeletal muscle fibers (cells) can arise from satellite cells.

Correct AnswerverifiedShow Answer

_____ muscle fibers (cells) do NOT contain sarcomeres.

Correct AnswerverifiedShow Answer

Match the connective tissue components of skeletal muscle with the tissues. Identify the description that matches fast glycolytic fibers.

Correct AnswerverifiedShow Answer

Match the connective tissue components of smooth muscle with the tissues. Identify the characteristic of smooth muscle tissue.

Correct AnswerverifiedShow Answer

List four functions of muscle tissue and in one sentence for each function, elaborate on the function or give an example to illustrate the function.

Correct Answerverified1. Producing body movements: movement of...View AnswerShow Answer

Identify features of this muscle fiber (cell) structure labeled C.

Correct AnswerverifiedShow Answer

Identify this organelle of the muscle fiber (cell) labeled B.

Correct AnswerverifiedShow Answer

Match the connective tissue components of skeletal muscle with the tissues. Identify the description of a synaptic vesicle.

Correct AnswerverifiedShow Answer

The darker area in a sarcomere is called the I band.

Correct AnswerverifiedShow Answer

The connective tissue that surrounds and separates individual skeletal muscle fibers (cells) is called _____.

Correct AnswerverifiedShow Answer

Strength training has a positive impact on the body by

Correct AnswerverifiedShow Answer

A somatic motor neuron together with all the skeletal muscle fibers (cells) it stimulates is called a motor unit.

Correct AnswerverifiedTrue

Compared to skeletal muscle, cardiac muscle differs in that it:

Correct AnswerverifiedShow Answer

Body building increases the size and strength of which type of muscle fiber?

Correct AnswerverifiedC

Which is a correct statement?

Correct AnswerverifiedShow Answer

The contractile elements of skeletal muscle fibers (cells) are myofibrils.

Correct AnswerverifiedShow Answer

The connective tissue covering this structure labeled C is the

Correct AnswerverifiedB

For contraction of a muscle to being, what event must occur at the sarcolemma?

Correct AnswerverifiedShow Answer

The connective tissue covering this structure labeled B is the

Correct AnswerverifiedShow Answer

In skeletal muscle, the sarcoplasmic reticulum (SR) :

Correct AnswerverifiedShow Answer

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1. Producing body movements: movement of...
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True

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C

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B

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