Question 1

In a muscle fiber,calcium ions are stored in the:

Accepted Answer

A)  sarcolemma
B)  sarcomere
C)  myosin filaments
D)  sarcoplasmic reticulum

Question 2

The function of the sacrospinalis group is to:

Accepted Answer

A)  flex the neck
B)  flex the vertebral column
C)  extend the vertebral column
D)  flex the sacrum

Question 3

Which statement is NOT true of the electrical events at the sarcolemma?

Accepted Answer

A)  During polarization there is a positive charge outside.
B)  Depolarization creates a reversal of charges.
C)  Repolarization involves the outflow of potassium ions.
D)  Depolarization is stimulated by cholinesterase.

Question 4

An antagonist to the gastrocnemius is the ____________________,because it ____________________.

Accepted Answer

tibialis a...

Question 5

The ____________________ of the brain coordinates the actions of skeletal muscles.

Accepted Answer

The answer of The ____________________ of the brain coordinates the...

Question 6

The fibers of a tendon merge with the ____________________ of a muscle and the ____________________ of a bone.

Accepted Answer

The answer of The fibers of a tendon merge with...

Question 7

The sensory receptors in muscles are called ____________________ receptors,and their information is essential for ____________________.

Accepted Answer

stretch,mu...

Question 8

The part of the brain that initiates muscle contraction is the:

Accepted Answer

A)  cerebrum: frontal lobes
B)  cerebellum
C)  cerebrum: parietal lobes
D)  cerebrum: occipital lobes

Question 9

The muscle on the lateral side of the hip that abducts the thigh is the ____________________.

Accepted Answer

The answer of The muscle on the lateral side of...

Question 10

The muscle group on the front of the thigh that flexes the thigh is the ____________________.

Accepted Answer

The answer of The muscle group on the front of...

Question 11

Muscles with opposite functions are called ____________________.

Accepted Answer

The answer of Muscles with opposite functions are called ____________________....

Question 12

In the neuromuscular junction,acetylcholine is contained within the ____________________.

Accepted Answer

The answer of In the neuromuscular junction,acetylcholine is contained within...

Question 13

Which of the following statements are true of the body's responses to exercise? (Read carefully and select all of the correct statements.)

Accepted Answer

A)  Respiration increases to take in more O2 and exhale more CO2.
B)  Heart rate increases to circulate more oxygenated blood to muscles.
C)  Sweating increases because more heat is produced as the rate of cell respiration decreases.
D)  The arteries to muscles dilate to carry more blood.

Question 14

The term oxygen debt refers to a lack of oxygen during the process of ____________________.

Accepted Answer

The answer of The term oxygen debt refers to a...

Question 15

Within a sarcomere,the contracting proteins are:

Accepted Answer

A)  myosin and actin
B)  troponin and myosin
C)  actin and troponin
D)  myoglobin and myosin

Question 16

The function of the adductor group is:

Accepted Answer

A)  to adduct the thigh
B)  to flex the lower leg
C)  both of these
D)  neither of these

Question 17

The muscle on the back of the lower leg that plantar flexes the foot is the ____________________.

Accepted Answer

gastrocnem...

Question 18

The muscle on the buttock that extends the thigh is the:

Accepted Answer

A)  gluteus medius
B)  sacrospinalis
C)  gluteus maximus
D)  iliopsoas

Question 19

During exercise,one purpose of increased respiration is to:

Accepted Answer

A)  remove excess body heat
B)  circulate more blood to muscles
C)  get rid of carbon dioxide more rapidly
D)  increase the blood supply within muscles

Question 20

The organ system that ensures adequate oxygen intake for muscles is the ____________________ system.

Accepted Answer

The answer of The organ system that ensures adequate oxygen...

Exam 7: The Muscular System

An antagonist to the gastrocnemius is the ____________________,because it ____________________.

Correct Answerverifiedtibialis a...View AnswerShow Answer

Which of the following statements are true of the body's responses to exercise? (Read carefully and select all of the correct statements.)

Correct AnswerverifiedShow Answer

The part of the brain that initiates muscle contraction is the:

Correct AnswerverifiedShow Answer

The muscle group on the front of the thigh that flexes the thigh is the ____________________.

Correct AnswerverifiedShow Answer

In a muscle fiber,calcium ions are stored in the:

Correct AnswerverifiedShow Answer

The function of the sacrospinalis group is to:

Correct AnswerverifiedShow Answer

In the neuromuscular junction,acetylcholine is contained within the ____________________.

Correct AnswerverifiedShow Answer

The organ system that ensures adequate oxygen intake for muscles is the ____________________ system.

Correct AnswerverifiedShow Answer

The function of the adductor group is:

Correct AnswerverifiedShow Answer

Muscles with opposite functions are called ____________________.

Correct AnswerverifiedShow Answer

Which statement is NOT true of the electrical events at the sarcolemma?

Correct AnswerverifiedShow Answer

The ____________________ of the brain coordinates the actions of skeletal muscles.

Correct AnswerverifiedShow Answer

The muscle on the buttock that extends the thigh is the:

Correct AnswerverifiedShow Answer

Within a sarcomere,the contracting proteins are:

Correct AnswerverifiedShow Answer

The muscle on the lateral side of the hip that abducts the thigh is the ____________________.

Correct AnswerverifiedShow Answer

The muscle on the back of the lower leg that plantar flexes the foot is the ____________________.

Correct Answerverifiedgastrocnem...View AnswerShow Answer

The term oxygen debt refers to a lack of oxygen during the process of ____________________.

Correct AnswerverifiedShow Answer

The fibers of a tendon merge with the ____________________ of a muscle and the ____________________ of a bone.

Correct AnswerverifiedShow Answer

The sensory receptors in muscles are called ____________________ receptors,and their information is essential for ____________________.

Correct Answerverifiedstretch,mu...View AnswerShow Answer

During exercise,one purpose of increased respiration is to:

Correct AnswerverifiedShow Answer

An antagonist to the gastrocnemius is the ,because it .

Correct Answer
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tibialis a...
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gastrocnem...
View Answer

Correct Answer
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The fibers of a tendon merge with the of a muscle and the of a bone.

Correct Answer
verified

The sensory receptors in muscles are called receptors,and their information is essential for .

Correct Answer
verified
stretch,mu...
View Answer

Correct Answer
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