Question 1

What level of neural input (to motor neurons)involves pyramidal cells?​

Accepted Answer

A) ​input from the brain stem 
B) input from the efferent neurons 
C) input from afferent neurons 
D) input from the sensory cortex 
E) ​input from the primary motor cortex 
A) ​input from the brain stem 
B) input from the efferent neurons 
C) input from afferent neurons 
D) input from the sensory cortex 
E) ​input from the primary motor cortex

Question 2

What types of muscles are involuntary in terms of movement?

Accepted Answer

A) ​cardiac and smooth 
B) skeletal and cardiac 
C) arterial and venous 
D) rough and smooth 
E) ​skeletal and contractile 
A) ​cardiac and smooth 
B) skeletal and cardiac 
C) arterial and venous 
D) rough and smooth 
E) ​skeletal and contractile

Question 3

What are the three main muscle types?

Accepted Answer

A) ​skeletal,rough,and smooth 
B) flexion,extension,and rotation 
C) skeletal,cardiac,and smooth 
D) thick,thin,and flat 
E) ​skeletal,arterial,and venous 
A) ​skeletal,rough,and smooth 
B) flexion,extension,and rotation 
C) skeletal,cardiac,and smooth 
D) thick,thin,and flat 
E) ​skeletal,arterial,and venous

Question 4

Tropomyosin molecules are threadlike proteins that lie end to end alongside the groove of the actin spiral.

Accepted Answer

A) True 
 B)False

Question 5

What do the basal nuclei coordinate?​

Accepted Answer

A) ​slow twitch muscle fibers 
B) spinal reflexes 
C) slow,sustained movement 
D) fast movement 
E) ​fast twitch muscle fibers 
A) ​slow twitch muscle fibers 
B) spinal reflexes 
C) slow,sustained movement 
D) fast movement 
E) ​fast twitch muscle fibers

Question 6

What is the least complex type of purposeful motor movement?

Accepted Answer

A) ​somatic reflex responses 
B) voluntary movements 
C) rhythmic activities 
D) tetanus contraction 
E) ​fine motor movements 
A) ​somatic reflex responses 
B) voluntary movements 
C) rhythmic activities 
D) tetanus contraction 
E) ​fine motor movements

Question 7

Oxidative phosphorylation takes place within the muscle ____________________ if sufficient oxygen is present.​

Accepted Answer

The answer of Oxidative phosphorylation takes place within the muscle...

Question 8

Premotor and supplementary motor areas,with input from the ____________________,plan the ____________________ motor command that is issued to the appropriate motor neurons by the primary motor cortex through a descending system.

Accepted Answer

​cerebroce

Question 9

What two molecules participate in cross-bridge interactions?​

Accepted Answer

A) tropomyosin and myosin 
B) troponin and myosin 
C) troponin and tropomyosin 
D) actin and myoblasts 
E) ​actin and myosin 
A) tropomyosin and myosin 
B) troponin and myosin 
C) troponin and tropomyosin 
D) actin and myoblasts 
E) ​actin and myosin

Question 10

The action potential is over before the contractile apparatus even becomes operational.

Accepted Answer

A) True 
 B)False

Question 11

In an isokinetic contraction,the load remains constant as the muscle changes length.​

Accepted Answer

A) True 
 B)False

Question 12

During muscle contraction,what becomes smaller?​

Accepted Answer

A) ​H zone 
B) thin filaments 
C) the width of the A band 
D) thick filaments 
E) ​myosin molecules 
A) ​H zone 
B) thin filaments 
C) the width of the A band 
D) thick filaments 
E) ​myosin molecules

Question 13

A group of interconnected muscle cells that function electrically and mechanically as a unit is known as a functional ____________________.​

Accepted Answer

The answer of A group of interconnected muscle cells that...

Question 14

Viewed with an electron microscope,a myofibril displays alternating dark bands (the A bands)and light bands (the I bands).​

Accepted Answer

A) True 
 B)False

Question 15

A single skeletal muscle cell is known as a(n)____________________.​

Accepted Answer

The answer of A single skeletal muscle cell is known...

Question 16

The local increase in inorganic phosphate from ____________________ breakdown is considered the primary cause of ____________________ fatigue.​

Accepted Answer

The answer of The local increase in inorganic phosphate from...

Question 17

Describe the three types of filaments in smooth muscle.​

Accepted Answer

A smooth muscle cell has three types of

Question 18

A skeletal muscle fiber contains numerous ____________________,which are cylindrical intracellular structures.

Accepted Answer

The answer of A skeletal muscle fiber contains numerous ____________________,which...

Question 19

Muscle tension is produced internally within the ____.​

Accepted Answer

A) ​myosin molecules 
B) actin molecules 
C) T tubules 
D) sarcoplasmic reticulum 
E) ​sarcomeres 
A) ​myosin molecules 
B) actin molecules 
C) T tubules 
D) sarcoplasmic reticulum 
E) ​sarcomeres

Question 20

With eccentric contractions,the muscle ____________________.​

Accepted Answer

The answer of With eccentric contractions,the muscle ____________________.​...

What level of neural input (to motor neurons)involves pyramidal cells?

What types of muscles are involuntary in terms of movement?

What are the three main muscle types?

Tropomyosin molecules are threadlike proteins that lie end to end alongside the groove of the actin spiral.

What do the basal nuclei coordinate?

What is the least complex type of purposeful motor movement?

Oxidative phosphorylation takes place within the muscle ____________________ if sufficient oxygen is present.

Premotor and supplementary motor areas,with input from the ,plan the motor command that is issued to the appropriate motor neurons by the primary motor cortex through a descending system.

What two molecules participate in cross-bridge interactions?

The action potential is over before the contractile apparatus even becomes operational.

In an isokinetic contraction,the load remains constant as the muscle changes length.

During muscle contraction,what becomes smaller?

A group of interconnected muscle cells that function electrically and mechanically as a unit is known as a functional ____________________.

Viewed with an electron microscope,a myofibril displays alternating dark bands (the A bands)and light bands (the I bands).

A single skeletal muscle cell is known as a(n)____________________.

The local increase in inorganic phosphate from breakdown is considered the primary cause of fatigue.

Describe the three types of filaments in smooth muscle.

A skeletal muscle fiber contains numerous ____________________,which are cylindrical intracellular structures.

Muscle tension is produced internally within the ____.

With eccentric contractions,the muscle ____________________.

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

What level of neural input (to motor neurons)involves pyramidal cells?​

What types of muscles are involuntary in terms of movement?

What are the three main muscle types?

Tropomyosin molecules are threadlike proteins that lie end to end alongside the groove of the actin spiral.

What do the basal nuclei coordinate?​

What is the least complex type of purposeful motor movement?

Oxidative phosphorylation takes place within the muscle ____________________ if sufficient oxygen is present.​

Premotor and supplementary motor areas,with input from the ____________________,plan the ____________________ motor command that is issued to the appropriate motor neurons by the primary motor cortex through a descending system.

What two molecules participate in cross-bridge interactions?​

The action potential is over before the contractile apparatus even becomes operational.

In an isokinetic contraction,the load remains constant as the muscle changes length.​

During muscle contraction,what becomes smaller?​

A group of interconnected muscle cells that function electrically and mechanically as a unit is known as a functional ____________________.​

Viewed with an electron microscope,a myofibril displays alternating dark bands (the A bands)and light bands (the I bands).​

A single skeletal muscle cell is known as a(n)____________________.​

The local increase in inorganic phosphate from ____________________ breakdown is considered the primary cause of ____________________ fatigue.​

Describe the three types of filaments in smooth muscle.​

A skeletal muscle fiber contains numerous ____________________,which are cylindrical intracellular structures.

Muscle tension is produced internally within the ____.​

With eccentric contractions,the muscle ____________________.​

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

What level of neural input (to motor neurons)involves pyramidal cells?

What do the basal nuclei coordinate?

Oxidative phosphorylation takes place within the muscle ____________________ if sufficient oxygen is present.

Premotor and supplementary motor areas,with input from the ,plan the motor command that is issued to the appropriate motor neurons by the primary motor cortex through a descending system.

What two molecules participate in cross-bridge interactions?

In an isokinetic contraction,the load remains constant as the muscle changes length.

During muscle contraction,what becomes smaller?

A group of interconnected muscle cells that function electrically and mechanically as a unit is known as a functional ____________________.

Viewed with an electron microscope,a myofibril displays alternating dark bands (the A bands)and light bands (the I bands).

A single skeletal muscle cell is known as a(n)____________________.

The local increase in inorganic phosphate from breakdown is considered the primary cause of fatigue.

Describe the three types of filaments in smooth muscle.

Muscle tension is produced internally within the ____.

With eccentric contractions,the muscle ____________________.