Which of these is true of skeletal muscle? a. spindle-shaped cells b. under involuntary control c. many peripherally located nuclei per muscle fiber d. forms the walls of hollow internal organs e. may be autorhythmic

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Answer 1

Textbook Question

Chapter 9, Problem 1RAC

Which of these is true of skeletal muscle?
a. spindle-shaped cells
b. under involuntary control
c. many peripherally located nuclei per muscle fiber
d. forms the walls of hollow internal organs
e. may be autorhythmic

Expert Solution & Answer

Summary Introduction

Introduction:

The muscle system consists of various types of muscle that plays different types of functions. There are three kinds of muscle. They are:

Smooth muscle
Skeletal muscle
Cardiac muscle

Skeletal muscle is striated in appearance and possesses multiple nuclei that lie at the periphery position. They are voluntary muscle and plays a key role in body movement.

Answer to Problem 1RAC

The correct answer is option (c) many peripherally located nuclei per muscle fiber.

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) many peripherally located nuclei per muscle fiber. Skeletal muscle possesses many periphery located nuclei as they develop from the fusion of many myoblast cells. Each myoblast has its own nucleus, so its fusion product which is skeletal muscle fiber has numerous nuclei. So, this is the correct option.

Explanation for incorrect answer:

Option (a) spindle-shaped. Smooth muscle appears as spindle-shaped cell. Skeletal muscle possesses a cylindrical shape. So, this is the incorrect option.

Option (b) under voluntary control. Skeletal muscle is under voluntary control. Smooth muscle and cardiac muscle are under involuntary control. So, this is the incorrect option.

Option (d) forms the walls of hollow internal organ. Smooth muscle is present at the walls of hollow internal organs. Skeletal muscle is attached to the bones. So, this is the incorrect option.

Option (e) may be autorhythmic. Smooth and cardiac muscle are autorhythmic, making this option unsuitable.

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Students have asked these similar questions

Which of the following statements relating to smooth muscle is true? a. single-unit smooth muscles contract rhythmically due to gap junctions b. multi-unit smooth muscles are arranged like skeletal muscle motor units c. visceral smooth muscles exhibit spontaneous action potentials d. multi-unit smooth muscles exhibit graded contractions in response to neural stimuli e. all of the above

All of the following characteristics apply to skeletal muscle except a. They are striated. b. They are multinucleated. c. They are voluntary. d. They contain intercalated discs. e. They are attached to the skeleton by means of tendons.

Which of the following statements about the microscopic structure of smooth muscle fibers is incorrect? a. smooth muscle cells lack myofibrils, sarcomere, and t-tubules b. smooth muscle cells contain endomysium only c. smooth muscles cells contain caveolae that sequesters calcium ions d. all of the above e. none of the above

Answer 2

Textbook Question

Chapter 9, Problem 1RAC

Which of these is true of skeletal muscle?
a. spindle-shaped cells
b. under involuntary control
c. many peripherally located nuclei per muscle fiber
d. forms the walls of hollow internal organs
e. may be autorhythmic

Expert Solution & Answer

Summary Introduction

Introduction:

The muscle system consists of various types of muscle that plays different types of functions. There are three kinds of muscle. They are:

Smooth muscle
Skeletal muscle
Cardiac muscle

Skeletal muscle is striated in appearance and possesses multiple nuclei that lie at the periphery position. They are voluntary muscle and plays a key role in body movement.

Answer to Problem 1RAC

The correct answer is option (c) many peripherally located nuclei per muscle fiber.

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) many peripherally located nuclei per muscle fiber. Skeletal muscle possesses many periphery located nuclei as they develop from the fusion of many myoblast cells. Each myoblast has its own nucleus, so its fusion product which is skeletal muscle fiber has numerous nuclei. So, this is the correct option.

Explanation for incorrect answer:

Option (a) spindle-shaped. Smooth muscle appears as spindle-shaped cell. Skeletal muscle possesses a cylindrical shape. So, this is the incorrect option.

Option (b) under voluntary control. Skeletal muscle is under voluntary control. Smooth muscle and cardiac muscle are under involuntary control. So, this is the incorrect option.

Option (d) forms the walls of hollow internal organ. Smooth muscle is present at the walls of hollow internal organs. Skeletal muscle is attached to the bones. So, this is the incorrect option.

Option (e) may be autorhythmic. Smooth and cardiac muscle are autorhythmic, making this option unsuitable.

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Answer 3

Textbook Question

Chapter 9, Problem 1RAC

Which of these is true of skeletal muscle?
a. spindle-shaped cells
b. under involuntary control
c. many peripherally located nuclei per muscle fiber
d. forms the walls of hollow internal organs
e. may be autorhythmic

Expert Solution & Answer

Summary Introduction

Introduction:

The muscle system consists of various types of muscle that plays different types of functions. There are three kinds of muscle. They are:

Smooth muscle
Skeletal muscle
Cardiac muscle

Skeletal muscle is striated in appearance and possesses multiple nuclei that lie at the periphery position. They are voluntary muscle and plays a key role in body movement.

Answer to Problem 1RAC

The correct answer is option (c) many peripherally located nuclei per muscle fiber.

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) many peripherally located nuclei per muscle fiber. Skeletal muscle possesses many periphery located nuclei as they develop from the fusion of many myoblast cells. Each myoblast has its own nucleus, so its fusion product which is skeletal muscle fiber has numerous nuclei. So, this is the correct option.

Explanation for incorrect answer:

Option (a) spindle-shaped. Smooth muscle appears as spindle-shaped cell. Skeletal muscle possesses a cylindrical shape. So, this is the incorrect option.

Option (b) under voluntary control. Skeletal muscle is under voluntary control. Smooth muscle and cardiac muscle are under involuntary control. So, this is the incorrect option.

Option (d) forms the walls of hollow internal organ. Smooth muscle is present at the walls of hollow internal organs. Skeletal muscle is attached to the bones. So, this is the incorrect option.

Option (e) may be autorhythmic. Smooth and cardiac muscle are autorhythmic, making this option unsuitable.

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Answer 4

Textbook Question

Chapter 9, Problem 1RAC

Which of these is true of skeletal muscle?
a. spindle-shaped cells
b. under involuntary control
c. many peripherally located nuclei per muscle fiber
d. forms the walls of hollow internal organs
e. may be autorhythmic

Expert Solution & Answer

Summary Introduction

Introduction:

The muscle system consists of various types of muscle that plays different types of functions. There are three kinds of muscle. They are:

Smooth muscle
Skeletal muscle
Cardiac muscle

Skeletal muscle is striated in appearance and possesses multiple nuclei that lie at the periphery position. They are voluntary muscle and plays a key role in body movement.

Answer to Problem 1RAC

The correct answer is option (c) many peripherally located nuclei per muscle fiber.

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) many peripherally located nuclei per muscle fiber. Skeletal muscle possesses many periphery located nuclei as they develop from the fusion of many myoblast cells. Each myoblast has its own nucleus, so its fusion product which is skeletal muscle fiber has numerous nuclei. So, this is the correct option.

Explanation for incorrect answer:

Option (a) spindle-shaped. Smooth muscle appears as spindle-shaped cell. Skeletal muscle possesses a cylindrical shape. So, this is the incorrect option.

Option (b) under voluntary control. Skeletal muscle is under voluntary control. Smooth muscle and cardiac muscle are under involuntary control. So, this is the incorrect option.

Option (d) forms the walls of hollow internal organ. Smooth muscle is present at the walls of hollow internal organs. Skeletal muscle is attached to the bones. So, this is the incorrect option.

Option (e) may be autorhythmic. Smooth and cardiac muscle are autorhythmic, making this option unsuitable.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

The muscle system consists of various types of muscle that plays different types of functions. There are three kinds of muscle. They are:

Smooth muscle
Skeletal muscle
Cardiac muscle

Skeletal muscle is striated in appearance and possesses multiple nuclei that lie at the periphery position. They are voluntary muscle and plays a key role in body movement.

Answer to Problem 1RAC

The correct answer is option (c) many peripherally located nuclei per muscle fiber.

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) many peripherally located nuclei per muscle fiber. Skeletal muscle possesses many periphery located nuclei as they develop from the fusion of many myoblast cells. Each myoblast has its own nucleus, so its fusion product which is skeletal muscle fiber has numerous nuclei. So, this is the correct option.

Explanation for incorrect answer:

Option (a) spindle-shaped. Smooth muscle appears as spindle-shaped cell. Skeletal muscle possesses a cylindrical shape. So, this is the incorrect option.

Option (b) under voluntary control. Skeletal muscle is under voluntary control. Smooth muscle and cardiac muscle are under involuntary control. So, this is the incorrect option.

Option (d) forms the walls of hollow internal organ. Smooth muscle is present at the walls of hollow internal organs. Skeletal muscle is attached to the bones. So, this is the incorrect option.

Option (e) may be autorhythmic. Smooth and cardiac muscle are autorhythmic, making this option unsuitable.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

The muscle system consists of various types of muscle that plays different types of functions. There are three kinds of muscle. They are:

Smooth muscle
Skeletal muscle
Cardiac muscle

Skeletal muscle is striated in appearance and possesses multiple nuclei that lie at the periphery position. They are voluntary muscle and plays a key role in body movement.

Answer to Problem 1RAC

The correct answer is option (c) many peripherally located nuclei per muscle fiber.

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) many peripherally located nuclei per muscle fiber. Skeletal muscle possesses many periphery located nuclei as they develop from the fusion of many myoblast cells. Each myoblast has its own nucleus, so its fusion product which is skeletal muscle fiber has numerous nuclei. So, this is the correct option.

Explanation for incorrect answer:

Option (a) spindle-shaped. Smooth muscle appears as spindle-shaped cell. Skeletal muscle possesses a cylindrical shape. So, this is the incorrect option.

Option (b) under voluntary control. Skeletal muscle is under voluntary control. Smooth muscle and cardiac muscle are under involuntary control. So, this is the incorrect option.

Option (d) forms the walls of hollow internal organ. Smooth muscle is present at the walls of hollow internal organs. Skeletal muscle is attached to the bones. So, this is the incorrect option.

Option (e) may be autorhythmic. Smooth and cardiac muscle are autorhythmic, making this option unsuitable.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

The muscle system consists of various types of muscle that plays different types of functions. There are three kinds of muscle. They are:

Smooth muscle
Skeletal muscle
Cardiac muscle

Skeletal muscle is striated in appearance and possesses multiple nuclei that lie at the periphery position. They are voluntary muscle and plays a key role in body movement.

Answer 12

Answer to Problem 1RAC

The correct answer is option (c) many peripherally located nuclei per muscle fiber.

Answer 13

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) many peripherally located nuclei per muscle fiber. Skeletal muscle possesses many periphery located nuclei as they develop from the fusion of many myoblast cells. Each myoblast has its own nucleus, so its fusion product which is skeletal muscle fiber has numerous nuclei. So, this is the correct option.

Explanation for incorrect answer:

Option (a) spindle-shaped. Smooth muscle appears as spindle-shaped cell. Skeletal muscle possesses a cylindrical shape. So, this is the incorrect option.

Option (b) under voluntary control. Skeletal muscle is under voluntary control. Smooth muscle and cardiac muscle are under involuntary control. So, this is the incorrect option.

Option (d) forms the walls of hollow internal organ. Smooth muscle is present at the walls of hollow internal organs. Skeletal muscle is attached to the bones. So, this is the incorrect option.

Option (e) may be autorhythmic. Smooth and cardiac muscle are autorhythmic, making this option unsuitable.

Answer 14

Ch. 9.1 - List and describe the functions performed by...Ch. 9.1 - State the functions of smooth and cardiac muscle...Ch. 9.1 - Using table 9.1, distinguish among skeletal,...Ch. 9.2 - Identify the four specialized functional...Ch. 9.2 - Outline the differences in control and function...Ch. 9.3 - Name the connective tissue layers that surround...Ch. 9.3 - What are motor neurons? How do the axons of motor...Ch. 9.3 - What is the origin of muscle fibers? How do you...Ch. 9.3 - What are T tubules and the sarcoplasmic reticulum?Ch. 9.3 - Prob. 10AYP

Which of these is true of skeletal muscle? a. spindle-shaped cells b. under involuntary control c. many peripherally located nuclei per muscle fiber d. forms the walls of hollow internal organs e. may be autorhythmic

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