Question 1

After prolonged strenuous exercise has stopped,heavy breathing will often continue for several minutes in order to provide the oxygen needed to

Accepted Answer

A) convert the lactic acid produced during exercise back into glycogen. 
B) resynthesize creatine phosphate. 
C) replace oxygen displaced from muscle myoglobin. 
D) all of these choices are correct

Question 2

The relaxation phase of a muscle contraction is often prolonged in a fatigued muscle,raising the likelihood of fused summation of action potentials causing painful disturbances to a skeletal muscle.What disturbance is being described?

Accepted Answer

A) fasciculation 
B) tremor 
C) fibrillation 
D) cramp

Question 3

In the diagram,what area is composed of only thick filaments?

Accepted Answer

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

Question 4

Which age group would be most susceptible to an increase in slow oxidative muscle fibers?

Accepted Answer

A) pre-teens (9-12 years old) 
B) teenagers (13-19 years old) 
C) 20-29 years old 
D) 30+ years

Question 5

Which portion of this myogram shows a single twitch of the muscle?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) none of these choices

Question 6

In the diagram,what structure contains motor proteins that convert the energy in ATP into mechanical movements?

Accepted Answer

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

Question 7

Which region of a sarcomere contain thin filaments?

Accepted Answer

A) I band 
B) A band 
C) H zone 
D) Both I band and A band.

Question 8

On the diagram,which layer is composed of dense irregular and surrounds a muscle?

Accepted Answer

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

Question 9

Motor unit recruitment occurs when there is a(n)[increase] in the number of active motor units within a skeletal muscle.

Accepted Answer

A) increase 
B) decrease 
C) no change

Question 10

What energizes the myosin head?

Accepted Answer

A) acetylcholine 
B) calcium ions 
C) Phosphate release 
D) ATP hydrolysis reaction 
E) ADP synthesis

Question 11

For crossbridges to occur,what events must happen? Select all that apply.

Accepted Answer

A) ATPase breaks down ATP. 
B) calcium ions be present in the sarcoplasm. 
C) myosin binding sites be exposed. 
D) high amounts of sodium be present in the synaptic cleft 
E) Acetylcholine be present in the synaptic cleft

Question 12

Strength training would result in

Accepted Answer

A) atrophy of fast oxidative-glycolytic fibers 
B) hypertrophy of fast oxidative-glycolytic fibers 
C) hyperplasia of fast oxidative-glycolytic fibers 
D) conversion of slow oxidative fibers to fast oxidative-glycolytic fibers

Question 13

The outermost layer of connective tissue surrounding a skeletal muscle is the

Accepted Answer

A) tendon 
B) ligament 
C) endomysium 
D) epimysium 
E) perimysium

Question 14

Discuss the steps involved in contraction of smooth muscle and explain why smooth muscle has a slower contraction cycle.

Accepted Answer

The answer of Discuss the steps involved in contraction of...

Question 15

Which regions of the sarcomere contain thick filaments? Select all that apply.

Accepted Answer

A) zone of overlap 
B) A band 
C) H zone 
D) I band

Question 16

Choose the correct term based on the feature
___________:Resists fatigue
___________:Uses aerobic and anaerobic
___________:Lowest myoglobin content
Choices:
Fast Glycolytic
Fast Oxidative Glycolytic
Slow oxidative

Accepted Answer

The answer of Choose the correct term based on the...

Question 17

On the diagram,a tendon is formed by the merging of which structures?
]

Accepted Answer

A) C,D,and H 
B) D and E 
C) H and C 
D) C and D 
E) answers a-d are all correct

Question 18

Which property of muscle gives it the ability to stretch without damage?

Accepted Answer

A) electrical excitability 
B) contractility 
C) extensibility 
D) elasticity

Question 19

Which ATP production would be sufficient to run in place for one minute?

Accepted Answer

A) creatine phosphate 
B) anaerobic cellular respiration 
C) aerobic cellular respiration

Question 20

In the diagram,which structure(s)moves towards the center of the sarcomere (closer together)when the fiber contracts?

Accepted Answer

A) A 
B) C 
C) J 
D) Both A and C

Exam 10: Muscular Tissue

After prolonged strenuous exercise has stopped,heavy breathing will often continue for several minutes in order to provide the oxygen needed to

The relaxation phase of a muscle contraction is often prolonged in a fatigued muscle,raising the likelihood of fused summation of action potentials causing painful disturbances to a skeletal muscle.What disturbance is being described?

In the diagram,what area is composed of only thick filaments?

Which age group would be most susceptible to an increase in slow oxidative muscle fibers?

Which portion of this myogram shows a single twitch of the muscle?

In the diagram,what structure contains motor proteins that convert the energy in ATP into mechanical movements?

Which region of a sarcomere contain thin filaments?

On the diagram,which layer is composed of dense irregular and surrounds a muscle?

Motor unit recruitment occurs when there is a(n) [increase] in the number of active motor units within a skeletal muscle.

What energizes the myosin head?

For crossbridges to occur,what events must happen? Select all that apply.

Strength training would result in

The outermost layer of connective tissue surrounding a skeletal muscle is the

Discuss the steps involved in contraction of smooth muscle and explain why smooth muscle has a slower contraction cycle.

Which regions of the sarcomere contain thick filaments? Select all that apply.

Choose the correct term based on the feature _____:Resists fatigue _:Uses aerobic and anaerobic _______:Lowest myoglobin content Choices: Fast Glycolytic Fast Oxidative Glycolytic Slow oxidative

On the diagram,a tendon is formed by the merging of which structures? ]

Which property of muscle gives it the ability to stretch without damage?

Which ATP production would be sufficient to run in place for one minute?

In the diagram,which structure(s) moves towards the center of the sarcomere (closer together) when the fiber contracts?

Exam 10: Muscular Tissue

After prolonged strenuous exercise has stopped,heavy breathing will often continue for several minutes in order to provide the oxygen needed to

The relaxation phase of a muscle contraction is often prolonged in a fatigued muscle,raising the likelihood of fused summation of action potentials causing painful disturbances to a skeletal muscle.What disturbance is being described?

In the diagram,what area is composed of only thick filaments?

Which age group would be most susceptible to an increase in slow oxidative muscle fibers?

Which portion of this myogram shows a single twitch of the muscle?

In the diagram,what structure contains motor proteins that convert the energy in ATP into mechanical movements?

Which region of a sarcomere contain thin filaments?

On the diagram,which layer is composed of dense irregular and surrounds a muscle?

Motor unit recruitment occurs when there is a(n) [increase] in the number of active motor units within a skeletal muscle.

What energizes the myosin head?

For crossbridges to occur,what events must happen? Select all that apply.

Strength training would result in

The outermost layer of connective tissue surrounding a skeletal muscle is the

Discuss the steps involved in contraction of smooth muscle and explain why smooth muscle has a slower contraction cycle.

Which regions of the sarcomere contain thick filaments? Select all that apply.

Choose the correct term based on the feature ___________:Resists fatigue ___________:Uses aerobic and anaerobic ___________:Lowest myoglobin content Choices: Fast Glycolytic Fast Oxidative Glycolytic Slow oxidative

On the diagram,a tendon is formed by the merging of which structures? ]

Which property of muscle gives it the ability to stretch without damage?

Which ATP production would be sufficient to run in place for one minute?

In the diagram,which structure(s) moves towards the center of the sarcomere (closer together) when the fiber contracts?

Choose the correct term based on the feature _____:Resists fatigue _:Uses aerobic and anaerobic _______:Lowest myoglobin content Choices: Fast Glycolytic Fast Oxidative Glycolytic Slow oxidative