Question 1

Which of the following is a protein that stores phosphate groups for use by ATP?

Accepted Answer

A)   Glucose
B)   Lactic acid
C)   Creatine phosphate
D)   Pyruvic acid
E)   AcetylcholineF) B) and C)
G) B) and E)

Question 2

Most of the sarcoplasm is filled with long structures called myofibrils whose filaments produce the ________ observed in skeletal and cardiac muscle cells.

Accepted Answer

The answer of Most of the sarcoplasm is filled with...

Question 3

The biceps brachii attaches to two places on the scapula and to one site on the radius. When the biceps brachii contracts, the radius moves and the arm bends at the elbow. The ________ site of the biceps brachii is its attachment site on the radius.

Accepted Answer

The answer of The biceps brachii attaches to two places...

Question 4

-As aging occurs, muscle contractions ____.

Accepted Answer

A)   do not change
B)   become slower
C)   become stronger
D)   become faster
E)   become absentF) A) and D)
G) A) and B) B

Question 5

One function of muscles is to hold the bones tightly together in order to ________ the joints.

Accepted Answer

stabilize

Question 6

When muscles have a buildup of lactic acid, this ____.

Accepted Answer

A)   results from excess oxygen
B)   causes muscle fatigue
C)   can be corrected by increasing muscle activity
D)   is caused by muscle cramps
E)   is a normal result of aerobic respirationF) A) and E)
G) C) and E)

Question 7

The ________ muscle is represented by number 4 in the figure.

Accepted Answer

The answer of The ________ muscle is represented by number...

Question 8

In addition to responding to neurotransmitters, muscle fibers in visceral smooth muscle stimulate each other to contract, causing them to contract and relax together and producing an action called ________.

Accepted Answer

The answer of In addition to responding to neurotransmitters, muscle...

Question 9

-The number 5 on the figure demonstrates ____.

Accepted Answer

A)   flexion
B)   extension
C)   abduction
D)   adduction
E)   dorsiflexionF) A) and B)
G) A) and C)

Question 10

A valve-like structure around a body opening and passage that controls the movement of substances into and out of the passages is called a(n) ________.

Accepted Answer

The answer of A valve-like structure around a body opening...

Question 11

Most of the sarcoplasm is filled with long structures called ________, which produce the striations observed in skeletal and cardiac muscle cells.

Accepted Answer

The answer of Most of the sarcoplasm is filled with...

Question 12

Myocytes are called muscle ________ because of their long lengths.

Accepted Answer

The answer of Myocytes are called muscle ________ because of...

Question 13

Which of these muscles flexes the foot and is commonly called the calf muscle?

Accepted Answer

A)   Biceps brachii
B)   External oblique
C)   Gluteus medius
D)   Gastrocnemius
E)   SartoriusF) None of the above
G) A) and E)

Question 14

The muscular disorder that usually occurs after a sports-related activity resulting in injury to the muscle tendon or tendon-to-bone attachment is ________.

Accepted Answer

The answer of The muscular disorder that usually occurs after...

Question 15

Which type of muscle moves contents through hollow organs such as the intestines?

Accepted Answer

A)   Cardiac muscle
B)   Visceral smooth muscle
C)   Smooth and skeletal muscle
D)   Skeletal muscle
E)   Multi-unit smooth muscleF) A) and E)
G) C) and D)

Question 16

The ________ muscle is located at number 5 in the figure.

Accepted Answer

The answer of The ________ muscle is located at number...

Question 17

The ________ muscle in the heart produces the atrial and ventricular contractions that pump blood into and through the blood vessels.

Accepted Answer

cardiac

Question 18

Skeletal muscle fibers respond only to the neurotransmitter ________, which causes them to contract.

Accepted Answer

The answer of Skeletal muscle fibers respond only to the...

Question 19

When muscles contract, they produce ________, which helps the body maintain a normal temperature.

Accepted Answer

The answer of When muscles contract, they produce ________, which...

Question 20

Elysia is a young woman who has just been diagnosed with fibromyalgia. The practitioner asks the medical assistant to provide her with tips to help manage this disorder. The medical assistant should suggest that she ____.

Accepted Answer

A)   avoid any alcohol use
B)   reduce activities when her pain is the greatest
C)   seek counseling to help develop better coping skills
D)   increase her intake of caffeine to give her more energy
E)   avoid taking anti-inflammatory medicationsF) A) and B)
G) B) and E)

Exam 24: The Muscular System

Which of the following is a protein that stores phosphate groups for use by ATP?

Correct AnswerverifiedShow Answer

Most of the sarcoplasm is filled with long structures called myofibrils whose filaments produce the ________ observed in skeletal and cardiac muscle cells.

Correct AnswerverifiedShow Answer

The biceps brachii attaches to two places on the scapula and to one site on the radius. When the biceps brachii contracts, the radius moves and the arm bends at the elbow. The ________ site of the biceps brachii is its attachment site on the radius.

Correct AnswerverifiedShow Answer

-As aging occurs, muscle contractions ____.

Correct AnswerverifiedB

One function of muscles is to hold the bones tightly together in order to ________ the joints.

Correct Answerverifiedstabilize

When muscles have a buildup of lactic acid, this ____.

Correct AnswerverifiedShow Answer

The ________ muscle is represented by number 4 in the figure.

Correct AnswerverifiedShow Answer

In addition to responding to neurotransmitters, muscle fibers in visceral smooth muscle stimulate each other to contract, causing them to contract and relax together and producing an action called ________.

Correct AnswerverifiedShow Answer

-The number 5 on the figure demonstrates ____.

Correct AnswerverifiedShow Answer

A valve-like structure around a body opening and passage that controls the movement of substances into and out of the passages is called a(n) ________.

Correct AnswerverifiedShow Answer

Most of the sarcoplasm is filled with long structures called ________, which produce the striations observed in skeletal and cardiac muscle cells.

Correct AnswerverifiedShow Answer

Myocytes are called muscle ________ because of their long lengths.

Correct AnswerverifiedShow Answer

Which of these muscles flexes the foot and is commonly called the calf muscle?

Correct AnswerverifiedShow Answer

The muscular disorder that usually occurs after a sports-related activity resulting in injury to the muscle tendon or tendon-to-bone attachment is ________.

Correct AnswerverifiedShow Answer

Which type of muscle moves contents through hollow organs such as the intestines?

Correct AnswerverifiedShow Answer

The ________ muscle is located at number 5 in the figure.

Correct AnswerverifiedShow Answer

The ________ muscle in the heart produces the atrial and ventricular contractions that pump blood into and through the blood vessels.

Correct Answerverifiedcardiac

Skeletal muscle fibers respond only to the neurotransmitter ________, which causes them to contract.

Correct AnswerverifiedShow Answer

When muscles contract, they produce ________, which helps the body maintain a normal temperature.

Correct AnswerverifiedShow Answer

Elysia is a young woman who has just been diagnosed with fibromyalgia. The practitioner asks the medical assistant to provide her with tips to help manage this disorder. The medical assistant should suggest that she ____.

Correct AnswerverifiedShow Answer

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B

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stabilize

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cardiac

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