Question 1

Muscles that produce precise,delicate movements have fewer muscle fibers in their motor units compared to muscles made for powerful movements.​

Accepted Answer

A) True 
 B)False

Question 2

The end of the muscle attached to the more stationary part of the skeleton is called the ____________________,and the end attached to the skeletal part that moves is the ____________________.

Accepted Answer

The answer of The end of the muscle attached to...

Question 3

Figure 8-12
Answer the following questions using the accompanying figure.
  
-Which number in the accompanying figure represents the bending stage of the cross-bridge cycle?​

Accepted Answer

A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5  
F)6 
A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5  
F)6

Question 4

The lateral sacs (alternatively known as terminal cisternae)store ____________________.​

Accepted Answer

calcium io

Question 5

Disuse atrophy occurs when a muscle is not used for a long period of time due to reduced or absent nerve supply.

Accepted Answer

A) True 
 B)False

Question 6

What are the two membranous structures within the muscle fiber that play important roles in linking excitation to contraction?​

Accepted Answer

A) ​horizontal tubules and sarcoplasmic reticulum 
B) transverse tubules and sarcoplasmic reticulum 
C) transverse tubules and endoplasmic reticulum 
D) horizontal tubules and endoplasmic reticulum 
E) ​sarcolemma and plasma end plates 
A) ​horizontal tubules and sarcoplasmic reticulum 
B) transverse tubules and sarcoplasmic reticulum 
C) transverse tubules and endoplasmic reticulum 
D) horizontal tubules and endoplasmic reticulum 
E) ​sarcolemma and plasma end plates

Question 7

Which molecule binds ATP in order for muscle contraction to occur?

Accepted Answer

A) ​sarcolemma 
B) actin 
C) myosin 
D) calcium 
E) ​phosphate 
A) ​sarcolemma 
B) actin 
C) myosin 
D) calcium 
E) ​phosphate

Question 8

Muscles are categorized as striated (skeletal and cardiac muscle)or unstriated (smooth muscle).​

Accepted Answer

A) True 
 B)False

Question 9

What phenomenon enables smooth muscle to maintain tension with comparatively less ATP consumption,as compared to skeletal muscle?

Accepted Answer

A) ​stretch phenomenon 
B) jump phenomenon 
C) piggy back phenomenon 
D) click phenomenon 
E) latch phenomenon​ 
A) ​stretch phenomenon 
B) jump phenomenon 
C) piggy back phenomenon 
D) click phenomenon 
E) latch phenomenon​

Question 10

The crossed extensor reflex is a postural reflex that ensures that the opposite limb is in a position to bear the weight of the body as the injured limb is withdrawn from the stimulus.​

Accepted Answer

A) True 
 B)False

Question 11

Figure 8-12
Answer the following questions using the accompanying figure.
  
-Which number in the accompanying figure represents the resting state of the cross-bridge cycle?​

Accepted Answer

A) ​1 
B) 2 
C) 3​ 
D) 4 
E) ​5
F)9 
A) ​1 
B) 2 
C) 3​ 
D) 4 
E) ​5
F)9

Question 12

What does smooth muscle contain that enables it to stretch much more than skeletal muscle?

Accepted Answer

A) ​calcium 
B) glucosamine 
C) sarcomeres 
D) connective tissue 
E) microfilaments​ 
A) ​calcium 
B) glucosamine 
C) sarcomeres 
D) connective tissue 
E) microfilaments​

Question 13

Because of skeletal constraints,what is the maximum percentage that muscles can stretch or shorten relative to their length?​

Accepted Answer

A) ​30% 
B) 35% 
C) 40% 
D) 45% 
E) ​50% 
A) ​30% 
B) 35% 
C) 40% 
D) 45% 
E) ​50%

Question 14

The efferent neuron that innervates a muscle spindle's intrafusal fibers is known as a(n)____________________ motor neuron.

Accepted Answer

The answer of The efferent neuron that innervates a muscle...

Question 15

Contractile activity in both skeletal muscle and multiunit smooth muscle is ____.

Accepted Answer

A) ​myogenic 
B) phasic 
C) tonic 
D) clonic 
E) ​neurogenic 
A) ​myogenic 
B) phasic 
C) tonic 
D) clonic 
E) ​neurogenic

Question 16

What is the first source for supplying additional ATP when exercise begins?​

Accepted Answer

A) ​oxidative phosphorylation 
B) glycolysis 
C) lactate 
D) creatine phosphate 
E) ​chondroitin 
A) ​oxidative phosphorylation 
B) glycolysis 
C) lactate 
D) creatine phosphate 
E) ​chondroitin

Question 17

A smooth muscle cell has many T tubules and well developed sarcoplasmic reticulum.​

Accepted Answer

A) True 
 B)False

Question 18

Unlike skeletal muscle cells,a single smooth muscle cell extends the full length of a muscle.

Accepted Answer

A) True 
 B)False

Question 19

Smooth muscle myosin can interact with actin only when the light chain is ____________________.​

Accepted Answer

The answer of Smooth muscle myosin can interact with actin...

Question 20

During the embryonic developmental stage,skeletal muscle fibers are derived from:

Accepted Answer

A) ​fibroblasts 
B) lymphoblasts 
C) connective tissue 
D) myoblasts 
E) ​microfilaments 
A) ​fibroblasts 
B) lymphoblasts 
C) connective tissue 
D) myoblasts 
E) ​microfilaments

Muscles that produce precise,delicate movements have fewer muscle fibers in their motor units compared to muscles made for powerful movements.

The end of the muscle attached to the more stationary part of the skeleton is called the ,and the end attached to the skeletal part that moves is the .

Figure 8-12 Answer the following questions using the accompanying figure. -Which number in the accompanying figure represents the bending stage of the cross-bridge cycle?

The lateral sacs (alternatively known as terminal cisternae)store ____________________.

Disuse atrophy occurs when a muscle is not used for a long period of time due to reduced or absent nerve supply.

What are the two membranous structures within the muscle fiber that play important roles in linking excitation to contraction?

Which molecule binds ATP in order for muscle contraction to occur?

Muscles are categorized as striated (skeletal and cardiac muscle)or unstriated (smooth muscle).

What phenomenon enables smooth muscle to maintain tension with comparatively less ATP consumption,as compared to skeletal muscle?

The crossed extensor reflex is a postural reflex that ensures that the opposite limb is in a position to bear the weight of the body as the injured limb is withdrawn from the stimulus.

Figure 8-12 Answer the following questions using the accompanying figure. -Which number in the accompanying figure represents the resting state of the cross-bridge cycle?

What does smooth muscle contain that enables it to stretch much more than skeletal muscle?

Because of skeletal constraints,what is the maximum percentage that muscles can stretch or shorten relative to their length?

The efferent neuron that innervates a muscle spindle's intrafusal fibers is known as a(n)____________________ motor neuron.

Contractile activity in both skeletal muscle and multiunit smooth muscle is ____.

What is the first source for supplying additional ATP when exercise begins?

A smooth muscle cell has many T tubules and well developed sarcoplasmic reticulum.

Unlike skeletal muscle cells,a single smooth muscle cell extends the full length of a muscle.

Smooth muscle myosin can interact with actin only when the light chain is ____________________.

During the embryonic developmental stage,skeletal muscle fibers are derived from:

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System - Afferent Division - Special Senses

The Peripheral Nervous System - Efferent Division

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

Exam 8: Muscle Physiology

Muscles that produce precise,delicate movements have fewer muscle fibers in their motor units compared to muscles made for powerful movements.​

The end of the muscle attached to the more stationary part of the skeleton is called the ____________________,and the end attached to the skeletal part that moves is the ____________________.

Figure 8-12 Answer the following questions using the accompanying figure. -Which number in the accompanying figure represents the bending stage of the cross-bridge cycle?​

The lateral sacs (alternatively known as terminal cisternae)store ____________________.​

Disuse atrophy occurs when a muscle is not used for a long period of time due to reduced or absent nerve supply.

What are the two membranous structures within the muscle fiber that play important roles in linking excitation to contraction?​

Which molecule binds ATP in order for muscle contraction to occur?

Muscles are categorized as striated (skeletal and cardiac muscle)or unstriated (smooth muscle).​

What phenomenon enables smooth muscle to maintain tension with comparatively less ATP consumption,as compared to skeletal muscle?

The crossed extensor reflex is a postural reflex that ensures that the opposite limb is in a position to bear the weight of the body as the injured limb is withdrawn from the stimulus.​

Figure 8-12 Answer the following questions using the accompanying figure. -Which number in the accompanying figure represents the resting state of the cross-bridge cycle?​

What does smooth muscle contain that enables it to stretch much more than skeletal muscle?

Because of skeletal constraints,what is the maximum percentage that muscles can stretch or shorten relative to their length?​

The efferent neuron that innervates a muscle spindle's intrafusal fibers is known as a(n)____________________ motor neuron.

Contractile activity in both skeletal muscle and multiunit smooth muscle is ____.

What is the first source for supplying additional ATP when exercise begins?​

A smooth muscle cell has many T tubules and well developed sarcoplasmic reticulum.​

Unlike skeletal muscle cells,a single smooth muscle cell extends the full length of a muscle.

Smooth muscle myosin can interact with actin only when the light chain is ____________________.​

During the embryonic developmental stage,skeletal muscle fibers are derived from:

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System - Afferent Division - Special Senses

The Peripheral Nervous System - Efferent Division

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

Muscles that produce precise,delicate movements have fewer muscle fibers in their motor units compared to muscles made for powerful movements.

The end of the muscle attached to the more stationary part of the skeleton is called the ,and the end attached to the skeletal part that moves is the .

Figure 8-12 Answer the following questions using the accompanying figure. -Which number in the accompanying figure represents the bending stage of the cross-bridge cycle?

The lateral sacs (alternatively known as terminal cisternae)store ____________________.

What are the two membranous structures within the muscle fiber that play important roles in linking excitation to contraction?

Muscles are categorized as striated (skeletal and cardiac muscle)or unstriated (smooth muscle).

The crossed extensor reflex is a postural reflex that ensures that the opposite limb is in a position to bear the weight of the body as the injured limb is withdrawn from the stimulus.

Figure 8-12 Answer the following questions using the accompanying figure. -Which number in the accompanying figure represents the resting state of the cross-bridge cycle?

Because of skeletal constraints,what is the maximum percentage that muscles can stretch or shorten relative to their length?

What is the first source for supplying additional ATP when exercise begins?

A smooth muscle cell has many T tubules and well developed sarcoplasmic reticulum.

Smooth muscle myosin can interact with actin only when the light chain is ____________________.