Question 1

When a muscle relaxes,

Accepted Answer

A)  crossbridges form and muscle extensibility returns the muscle to rest length.
B)  crossbridges form and muscle elasticity returns the muscle to rest length.
C)  crossbridges stop forming and muscle elasticity returns the muscle to rest length.
D)  crossbridges stop forming and muscle extensibility returns the muscle to rest lengthE) None of the above
F) A) and D)

Question 2

When smooth muscle is stretched for a prolonged period of time,it responds by

Accepted Answer

A)  contracting.
B)  relaxing.C) A) and B)
D) undefined

Question 3

A flat,thin structure made of dense connective tissue that serves to attach a muscle to a bone (or to another muscle) is a(n)

Accepted Answer

A)  aponeurosis.
B)  tendon.
C)  perimysium.
D)  myolemma.
E)  superficial fascia.F) C) and D)
G) A) and D)

Question 4

A circular muscle band that contracts at an orifice is also known as a _______________.

Accepted Answer

The answer of A circular muscle band that contracts at...

Question 5

A skeletal muscle cell contains hundreds to thousands of _________,which are complex organelles;they are cylindrical in shape-about 2 micrometers in diameter and as long as the cell.

Accepted Answer

A)  myofibrils
B)  microfilaments
C)  sarcomeres
D)  T-tubules
E)  sarcolemmaF) C) and E)
G) A) and B)

Question 6

Increased phosphate ion concentration is believed to contribute to fatigue by interfering with

Accepted Answer

A)  calcium release from the sarcoplasmic reticulum.
B)  levels of available ATP to provide energy for contraction.
C)  phosphate release by myosin heads during crossbridge cycling.
D)  ACh release by synaptic knobs of motor neurons.E) All of the above
F) B) and C)

Question 7

Myoglobin is a molecule within muscle cells that can bind

Accepted Answer

A)  creatine phosphate.
B)  oxygen.
C)  hemoglobin.
D)  acetylcholine.
E)  ATP.F) A) and E)
G) C) and E)

Question 8

Which letter is associated with a zone (in a relaxed muscle) that is a little more lightly shaded because only thick filaments are present

Accepted Answer

A)  I
B)  A
C)  M
D)  Z
E)  HF) B) and C)
G) A) and E)

Question 9

The presence of mitochondria and myoglobin facilitate _________ respiration in muscle cells.

Accepted Answer

A)  aerobic
B)  anaerobicC) A) and B)
D) undefined

Question 10

Smooth muscle cells tend to be shorter but thicker than skeletal muscle cells.

Accepted Answer

A) True 
 B)False

Question 11

Because skeletal muscle cells are so close together,muscle contains very few blood vessels.

Accepted Answer

A) True 
 B)False

Question 12

The property of muscle tissue that allows an impulse to travel down the entire length of the cell membrane is

Accepted Answer

A)  elasticity.
B)  conductivity.
C)  extensibility.
D)  contractility.
E)  responsibility.F) All of the above
G) A) and B)

Question 13

The embryonic-like cells that remain in adult skeletal muscle tissue are known as satellite cells.

Accepted Answer

A) True 
 B)False

Exam 10: Muscle Tissue

Because skeletal muscle cells are so close together,muscle contains very few blood vessels.

Correct Answer
verified

A flat,thin structure made of dense connective tissue that serves to attach a muscle to a bone (or to another muscle) is a(n)

Correct Answer
verified

A skeletal muscle cell contains hundreds to thousands of _________,which are complex organelles;they are cylindrical in shape-about 2 micrometers in diameter and as long as the cell.

Correct Answer
verified

When smooth muscle is stretched for a prolonged period of time,it responds by

Correct Answer
verified

The property of muscle tissue that allows an impulse to travel down the entire length of the cell membrane is

Correct Answer
verified

Smooth muscle cells tend to be shorter but thicker than skeletal muscle cells.

Correct Answer
verified

The embryonic-like cells that remain in adult skeletal muscle tissue are known as satellite cells.

Correct Answer
verified

The presence of mitochondria and myoglobin facilitate _________ respiration in muscle cells.

Correct Answer
verified

Increased phosphate ion concentration is believed to contribute to fatigue by interfering with

Correct Answer
verified

Which letter is associated with a zone (in a relaxed muscle) that is a little more lightly shaded because only thick filaments are present

Correct Answer
verified

When a muscle relaxes,

Correct Answer
verified

Myoglobin is a molecule within muscle cells that can bind

Correct Answer
verified

A circular muscle band that contracts at an orifice is also known as a _______________.

Correct Answer
verified

Exam 10: Muscle Tissue

Because skeletal muscle cells are so close together,muscle contains very few blood vessels.

Correct AnswerverifiedShow Answer

A flat,thin structure made of dense connective tissue that serves to attach a muscle to a bone (or to another muscle) is a(n)

Correct AnswerverifiedShow Answer

A skeletal muscle cell contains hundreds to thousands of _________,which are complex organelles;they are cylindrical in shape-about 2 micrometers in diameter and as long as the cell.

Correct AnswerverifiedShow Answer

When smooth muscle is stretched for a prolonged period of time,it responds by

Correct AnswerverifiedShow Answer

The property of muscle tissue that allows an impulse to travel down the entire length of the cell membrane is

Correct AnswerverifiedShow Answer

Smooth muscle cells tend to be shorter but thicker than skeletal muscle cells.

Correct AnswerverifiedShow Answer

The embryonic-like cells that remain in adult skeletal muscle tissue are known as satellite cells.

Correct AnswerverifiedShow Answer

The presence of mitochondria and myoglobin facilitate _________ respiration in muscle cells.

Correct AnswerverifiedShow Answer

Increased phosphate ion concentration is believed to contribute to fatigue by interfering with

Correct AnswerverifiedShow Answer

Which letter is associated with a zone (in a relaxed muscle) that is a little more lightly shaded because only thick filaments are present

Correct AnswerverifiedShow Answer

When a muscle relaxes,

Correct AnswerverifiedShow Answer

Myoglobin is a molecule within muscle cells that can bind

Correct AnswerverifiedShow Answer

A circular muscle band that contracts at an orifice is also known as a _______________.

Correct AnswerverifiedShow Answer

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