Question 1

Match the following:
-Used to convert ADP to ATP by transfer of a high-energy phosphate group.A reserve high-energy compound.

Accepted Answer

A)  Sodium ions
B)  Acetylcholinesterase
C)  Calcium ions
D)  Acetylcholine
E)  Creatine phosphate

Question 2

Figure 9.1
Using Figure 9.1, match the following:
-Bundle of muscle cells surrounded by a perimysium.

Accepted Answer

A)  A
B)  E
C)  D
D)  C
E)  B

Question 3

Muscle tone is ________.

Accepted Answer

A)   the condition of athletes after intensive training
B)   a state of sustained partial contraction
C)   the ability of a muscle to efficiently cause skeletal movements
D)   the feeling of well-being following exercise

Question 4

Describe how the unique contractile mechanism of smooth muscle allows it to contract and remain in a contracted state for long periods of time with relatively little energy expenditure.

Accepted Answer

Smooth muscle possesses a latc...

Question 5

Muscle contraction will always promote movement of body parts regardless of how they are attached.

Accepted Answer

A) True 
 B)False

Question 6

Match the following:
-The stimulus above which no stronger contraction can be elicited,because all motor units are firing in the muscle.

Accepted Answer

A)  Tetanus
B)  Maximal stimulus
C)  Wave summation
D)  Muscle tone
E)  Multiple motor unit summation

Question 7

A smooth,sustained contraction from rapid stimulation is called ________.

Accepted Answer

The answer of A smooth,sustained contraction from rapid stimulation is...

Question 8

Creatine phosphate functions in the muscle cell by ________.

Accepted Answer

A)   forming a temporary chemical compound with myosin
B)   forming a chemical compound with actin
C)   storing energy that will be transferred to ADP to resynthesize ATP
D)   inducing a conformational change in the myofilaments

Question 9

A patient is admitted for electroconvulsive treatment (ECT).The physician orders the neuromuscular blocking agent succinylcholine to reduce trauma by relaxing skeletal muscles.Explain the process of muscle contraction and how a neuromuscular blocking agent such as succinylcholine would interfere with muscle contraction.

Accepted Answer

Muscle contraction begins with a stimulu...

Question 10

Which muscle cells have the greatest ability to regenerate?

Accepted Answer

A)   no muscle can regenerate
B)   smooth
C)   skeletal
D)   cardiac

Question 11

What part of the sarcolemma contains acetylcholine receptors?

Accepted Answer

A)   motor end plate
B)   part adjacent to another muscle cell
C)   any part of the sarcolemma
D)   end of the muscle fiber

Question 12

Which of the following would be recruited later in muscle stimulation when contractile strength increases?

Accepted Answer

A)   large motor units with small, highly excitable neurons
B)   motor units with the longest muscle fibers
C)   many small motor units with the ability to stimulate other motor units
D)   motor units with larger, less excitable neurons

Question 13

Which of the following is the correct sequence of events for muscle contractions?

Accepted Answer

A)   muscle cell action potential, neurotransmitter release, ATP-driven power stroke, calcium ion release from SR, sliding of myofilaments
B)   motor neuron action potential, neurotransmitter release, muscle cell action potential, release of calcium ions from SR, ATP-driven power stroke, sliding of myofilaments
C)   neurotransmitter release, motor neuron action potential, muscle cell action potential, release of calcium ions from SR, ATP-driven power stroke
D)   neurotransmitter release, muscle cell action potential, motor neuron action potential, release of calcium ions from SR, sliding of myofilaments, ATP-driven power stroke

Question 14

When a muscle is unable to respond to stimuli temporarily,it is in which of the following periods?

Accepted Answer

A)   latent period
B)   refractory period
C)   fatigue period
D)   relaxation period

Question 15

When a geriatric patient is admitted to the postsurgical unit,an important nursing measure is to prevent the loss of muscle mass.What is the term used for loss of muscle mass and how can the patient prevent it?

Accepted Answer

Disuse atrophy is degeneration and loss ...

Question 16

What is the primary function of wave summation?

Accepted Answer

A)   increase muscle tension
B)   prevent muscle relaxation
C)   prevent muscle fatigue
D)   produce smooth, continuous muscle contraction

Question 17

Figure 9.1
Using Figure 9.1, match the following:
-Connective tissue covering the exterior of a muscle organ.

Accepted Answer

A)  A
B)  E
C)  D
D)  C
E)  B

Question 18

An increase in the calcium ion level in the sarcoplasm starts the sliding of the thin filaments.When the level of calcium ions declines,sliding stops.

Accepted Answer

A) True 
 B)False

Question 19

Although all the anatomical parts of muscle work together to give it it's characteristics,which of the following proteins listed below would be most associated with the characteristics of contractility?

Accepted Answer

A)   voltage gated sodium channels
B)   thick (myosin)  filaments
C)   elastic (titin)  filaments
D)   potassium (K+)  leak channels

Question 20

Approximately 80% of a muscle fiber's volume are the myofibrils.This characteristic reflects muscles ability to ________.

Accepted Answer

A)   store oxygen molecules that can be used in aerobic respiration
B)   produce relatively high amounts of ATP
C)   produce movement through contractile force
D)   generate and propagate action potential

Exam 9: Muscles and Muscle Tissue

What part of the sarcolemma contains acetylcholine receptors?

Correct Answer
verified

Creatine phosphate functions in the muscle cell by ________.

Correct Answer
verified

An increase in the calcium ion level in the sarcoplasm starts the sliding of the thin filaments.When the level of calcium ions declines,sliding stops.

Correct Answer
verified

Figure 9.1 Using Figure 9.1, match the following: -Bundle of muscle cells surrounded by a perimysium.

Correct Answer
verified

Which muscle cells have the greatest ability to regenerate?

Correct Answer
verified

Describe how the unique contractile mechanism of smooth muscle allows it to contract and remain in a contracted state for long periods of time with relatively little energy expenditure.

Correct Answer
verified
Smooth muscle possesses a latc...
View Answer

A smooth,sustained contraction from rapid stimulation is called ________.

Correct Answer
verified

Muscle contraction will always promote movement of body parts regardless of how they are attached.

Correct Answer
verified

Correct Answer
verified
Muscle contraction begins with a stimulu...
View Answer

Figure 9.1 Using Figure 9.1, match the following: -Connective tissue covering the exterior of a muscle organ.

Correct Answer
verified

Which of the following would be recruited later in muscle stimulation when contractile strength increases?

Correct Answer
verified

When a geriatric patient is admitted to the postsurgical unit,an important nursing measure is to prevent the loss of muscle mass.What is the term used for loss of muscle mass and how can the patient prevent it?

Correct Answer
verified
Disuse atrophy is degeneration and loss ...
View Answer

Approximately 80% of a muscle fiber's volume are the myofibrils.This characteristic reflects muscles ability to ________.

Correct Answer
verified

When a muscle is unable to respond to stimuli temporarily,it is in which of the following periods?

Correct Answer
verified

Although all the anatomical parts of muscle work together to give it it's characteristics,which of the following proteins listed below would be most associated with the characteristics of contractility?

Correct Answer
verified

What is the primary function of wave summation?

Correct Answer
verified

Match the following: -Used to convert ADP to ATP by transfer of a high-energy phosphate group.A reserve high-energy compound.

Correct Answer
verified

Which of the following is the correct sequence of events for muscle contractions?

Correct Answer
verified

Match the following: -The stimulus above which no stronger contraction can be elicited,because all motor units are firing in the muscle.

Correct Answer
verified

Muscle tone is ________.

Correct Answer
verified

Exam 9: Muscles and Muscle Tissue

What part of the sarcolemma contains acetylcholine receptors?

Correct AnswerverifiedShow Answer

Creatine phosphate functions in the muscle cell by ________.

Correct AnswerverifiedShow Answer

An increase in the calcium ion level in the sarcoplasm starts the sliding of the thin filaments.When the level of calcium ions declines,sliding stops.

Correct AnswerverifiedShow Answer

Figure 9.1 Using Figure 9.1, match the following: -Bundle of muscle cells surrounded by a perimysium.

Correct AnswerverifiedShow Answer

Which muscle cells have the greatest ability to regenerate?

Correct AnswerverifiedShow Answer

Describe how the unique contractile mechanism of smooth muscle allows it to contract and remain in a contracted state for long periods of time with relatively little energy expenditure.

Correct AnswerverifiedSmooth muscle possesses a latc...View AnswerShow Answer

A smooth,sustained contraction from rapid stimulation is called ________.

Correct AnswerverifiedShow Answer

Muscle contraction will always promote movement of body parts regardless of how they are attached.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedMuscle contraction begins with a stimulu...View AnswerShow Answer

Figure 9.1 Using Figure 9.1, match the following: -Connective tissue covering the exterior of a muscle organ.

Correct AnswerverifiedShow Answer

Which of the following would be recruited later in muscle stimulation when contractile strength increases?

Correct AnswerverifiedShow Answer

When a geriatric patient is admitted to the postsurgical unit,an important nursing measure is to prevent the loss of muscle mass.What is the term used for loss of muscle mass and how can the patient prevent it?

Correct AnswerverifiedDisuse atrophy is degeneration and loss ...View AnswerShow Answer

Approximately 80% of a muscle fiber's volume are the myofibrils.This characteristic reflects muscles ability to ________.

Correct AnswerverifiedShow Answer

When a muscle is unable to respond to stimuli temporarily,it is in which of the following periods?

Correct AnswerverifiedShow Answer

Although all the anatomical parts of muscle work together to give it it's characteristics,which of the following proteins listed below would be most associated with the characteristics of contractility?

Correct AnswerverifiedShow Answer

What is the primary function of wave summation?

Correct AnswerverifiedShow Answer

Match the following: -Used to convert ADP to ATP by transfer of a high-energy phosphate group.A reserve high-energy compound.

Correct AnswerverifiedShow Answer

Which of the following is the correct sequence of events for muscle contractions?

Correct AnswerverifiedShow Answer

Match the following: -The stimulus above which no stronger contraction can be elicited,because all motor units are firing in the muscle.

Correct AnswerverifiedShow Answer

Muscle tone is ________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Smooth muscle possesses a latc...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Muscle contraction begins with a stimulu...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Disuse atrophy is degeneration and loss ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified