Question 1

Of the surrounding connective tissues of the muscle, the endomysium is the most superficial.

Accepted Answer

A) True 
 B)False

Question 2

Which statement about muscle attachments is False?

Accepted Answer

A)   An insertion can be at either attachment point of a muscle, depending on body position and the movement being performed.
B)   At least one joint is present between an origin and insertion.
C)   Insertions are usually distal to the origin.
D)   Upon contraction, the origin is pulled toward the insertion.E) C) and D)
F) B) and D)

Question 3

Fusion of embryonic ________ cells from the mesoderm creates multinucleated skeletal muscle fibers.

Accepted Answer

The answer of Fusion of embryonic ________ cells from the...

Question 4

Describe the differences in the mixture of fiber types that are present in the calf muscles of a sprinter compared to those of a long-distance runner. Explain the anatomical basis for the differences between these fiber types.

Accepted Answer

A sprinter might have a higher proportio...

Question 5

Which type of muscle fiber has no myofibrils?

Accepted Answer

A)   skeletal
B)   smooth
C)   cardiac
D)   redE) A) and C)
F) None of the above

Question 6

Age-related loss of muscle mass may be influenced by all of these except:

Accepted Answer

A)   an increase in the relative proportion of connective tissue to number of muscle fibers.
B)   decrease in the level of testosterone.
C)   degeneration of muscle fibers because of accumulation of calcium in the sarcoplasm.
D)   exhaustion of the supply of muscle satellite cells.E) A) and D)
F) B) and C)

Question 7

The biceps and the deltoid muscle are of this type.

Accepted Answer

A)   skeletal muscle
B)   smooth muscle
C)   cardiac muscleD) All of the above
E) B) and C)

Question 8

Fascicles are bundles of muscle fibers wrapped together within perimysium.

Accepted Answer

A) True 
 B)False

Question 9

Myofascial pain syndrome is best described as a condition in which

Accepted Answer

A)   microscopic tears in muscle fibers result in swelling and inflammation.
B)   muscle fibers degenerate because of chronic leakage of extracellular calcium.
C)   muscle fibers contract when the skin superficial to them is stroked.
D)   pain occurs in at least 11 of 18 standardized points across the body.E) A) and C)
F) None of the above

Question 10

A cell of this type of muscle is striated and can be uninucleated or binucleated.

Accepted Answer

A)   skeletal muscle
B)   smooth muscle
C)   cardiac muscleD) A) and C)
E) All of the above

Question 11

What causes a strain or muscle pull?

Accepted Answer

A)   a tear in a muscle
B)   a tear in a tendon
C)   pain in a muscle due to any muscle disorder
D)   a sudden involuntary spasm of a muscleE) B) and C)
F) All of the above

Question 12

List the arrangement of muscle fibers in a muscle and their connective tissue fibers.

Accepted Answer

Each muscle fiber is covered b...

Question 13

Figure 10.1
Use the diagram above to answer the following questions.
-Identify the letter that indicates the muscle fiber.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) C) and D)
G) B) and E)

Question 14

A common characteristic of the three types of muscle tissue is that

Accepted Answer

A)   they all have striations.
B)   contraction is triggered by the release of calcium.
C)   they all contain sarcomeres.
D)   they can all use aerobic and anaerobic methods to utilize energy.E) A) and D)
F) A) and C)

Question 15

With intense resistance training,

Accepted Answer

A)   fast glycolytic fibers can convert to fast oxidative fibers.
B)   fast oxidative fibers can convert to fast glycolytic fibers.
C)   slow oxidative fibers can convert to fast glycolytic fibers.
D)   slow oxidative fibers can convert to fast oxidative fibers.E) A) and B)
F) A) and C)

Question 16

The Z disks, sometimes referred to as Z lines, define each sarcomere at both ends.

Accepted Answer

A) True 
 B)False

Question 17

Typically, each skeletal muscle is supplied by one ________ and one ________.

Accepted Answer

The answer of Typically, each skeletal muscle is supplied by...

Question 18

Muscle tissue can be characterized as being excitable and elastic, but not extensible.

Accepted Answer

A) True 
 B)False

Question 19

An aponeurosis is

Accepted Answer

A)   a large muscle.
B)   a nerve to a muscle.
C)   clinical pain in a muscle.
D)   a sheet of dense connective tissue.E) B) and D)
F) C) and D)

Question 20

Most muscles that are involved in maintaining posture contain high percentages of ________ fibers.

Accepted Answer

The answer of Most muscles that are involved in maintaining...

Exam 10: Skeletal Muscle Tissue

Age-related loss of muscle mass may be influenced by all of these except:

Correct AnswerverifiedShow Answer

Of the surrounding connective tissues of the muscle, the endomysium is the most superficial.

Correct AnswerverifiedShow Answer

Most muscles that are involved in maintaining posture contain high percentages of ________ fibers.

Correct AnswerverifiedShow Answer

Muscle tissue can be characterized as being excitable and elastic, but not extensible.

Correct AnswerverifiedShow Answer

With intense resistance training,

Correct AnswerverifiedShow Answer

The biceps and the deltoid muscle are of this type.

Correct AnswerverifiedShow Answer

Which statement about muscle attachments is False?

Correct AnswerverifiedShow Answer

Which type of muscle fiber has no myofibrils?

Correct AnswerverifiedShow Answer

Fusion of embryonic ________ cells from the mesoderm creates multinucleated skeletal muscle fibers.

Correct AnswerverifiedShow Answer

Fascicles are bundles of muscle fibers wrapped together within perimysium.

Correct AnswerverifiedShow Answer

What causes a strain or muscle pull?

Correct AnswerverifiedShow Answer

An aponeurosis is

Correct AnswerverifiedShow Answer

Figure 10.1 Use the diagram above to answer the following questions. -Identify the letter that indicates the muscle fiber.

Correct AnswerverifiedShow Answer

Myofascial pain syndrome is best described as a condition in which

Correct AnswerverifiedShow Answer

The Z disks, sometimes referred to as Z lines, define each sarcomere at both ends.

Correct AnswerverifiedShow Answer

A common characteristic of the three types of muscle tissue is that

Correct AnswerverifiedShow Answer

List the arrangement of muscle fibers in a muscle and their connective tissue fibers.

Correct AnswerverifiedEach muscle fiber is covered b...View AnswerShow Answer

A cell of this type of muscle is striated and can be uninucleated or binucleated.

Correct AnswerverifiedShow Answer

Typically, each skeletal muscle is supplied by one ________ and one ________.

Correct AnswerverifiedShow Answer

Describe the differences in the mixture of fiber types that are present in the calf muscles of a sprinter compared to those of a long-distance runner. Explain the anatomical basis for the differences between these fiber types.

Correct AnswerverifiedA sprinter might have a higher proportio...View AnswerShow Answer

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Each muscle fiber is covered b...
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Typically, each skeletal muscle is supplied by one and one .

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A sprinter might have a higher proportio...
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