Question 1

The resistance to fatigue of fast fibers is ______ when compared to that of slow or intermediate fibers.

Accepted Answer

A) low 
B) high 
C) identical 
A) low 
B) high 
C) identical

Question 2

Slow fibers are specialized to continue contracting for extended periods of time without experiencing fatigue.

Accepted Answer

A) True 
 B)False

Question 3

Which is the neurotransmitter that causes the release of calcium ions and initiates the steps of skeletal muscle fiber contraction?

Accepted Answer

A) Acetylcholinesterase 
B) Acetylcholine 
C) Serotonin 
D) Norepinephrine 
A) Acetylcholinesterase 
B) Acetylcholine 
C) Serotonin 
D) Norepinephrine

Question 4

The top long distance runners probably have _______ proportion of slow muscle fibers in their leg muscles.

Accepted Answer

A) a higher 
B) a lower 
C) the same 
A) a higher 
B) a lower 
C) the same

Question 5

What is the letter associated with the dark bands in a sarcomere?

Accepted Answer

A) I 
B) A 
C) Z 
D) M 
E) H 
A) I 
B) A 
C) Z 
D) M 
E) H

Question 6

The multiple nuclei in skeletal muscle cells are the result of the

Accepted Answer

A) fusion of myoblasts. 
B) cytokinesis of embryonic satellite cells. 
C) spontaneous development of nuclei in embryonic cells. 
D) stimulation of fibroblasts by hormones. 
E) action of testosterone on mesenchyme cell. 
A) fusion of myoblasts. 
B) cytokinesis of embryonic satellite cells. 
C) spontaneous development of nuclei in embryonic cells. 
D) stimulation of fibroblasts by hormones. 
E) action of testosterone on mesenchyme cell.

Question 7

In a sarcomere,which letter is associated with the light band that contains thin filaments only?

Accepted Answer

A) I 
B) A 
C) M 
D) Z 
E) H 
A) I 
B) A 
C) M 
D) Z 
E) H

Question 8

In an isotonic contraction,the tension produced exceeds the resistance and muscle fibers will shorten.

Accepted Answer

A) True 
 B)False

Question 9

One of the names for the areolar connective tissue and adipose connective tissue that separates muscle from skin is ______________ fascia.

Accepted Answer

The answer of One of the names for the areolar...

Question 10

Which is a correct listing of the hierarchy of a skeletal muscle's components,beginning with the smallest?
 A: Myofibrils
B: Muscle fiber
C: Fascicle
D: Skeletal muscle

Accepted Answer

A) a,b,c,d 
B) a,c,b,d 
C) d,c,b,a 
D) c,b,a,d 
E) b,c,a,d 
A) a,b,c,d 
B) a,c,b,d 
C) d,c,b,a 
D) c,b,a,d 
E) b,c,a,d

Question 11

The T-tubules and sarcoplasmic reticulum are unique to muscle fibers.

Accepted Answer

A) True 
 B)False

Question 12

Which region of a somite differentiates into the skeletal muscles?

Accepted Answer

A) Sclerotome 
B) Dermatome 
C) Myotome 
A) Sclerotome 
B) Dermatome 
C) Myotome

Question 13

Though the myofibrils within a muscle fiber run the length of the cell,they are actually composed of groupings of ______________ (protein filaments).

Accepted Answer

The answer of Though the myofibrils within a muscle fiber...

Question 14

The most common type of pennate muscle configuration is

Accepted Answer

A) unipennate. 
B) bipennate. 
C) multipennate. 
A) unipennate. 
B) bipennate. 
C) multipennate.

Question 15

When the force is applied between the resistance and the fulcrum,the result is a _____ lever.

Accepted Answer

A) first-class 
B) second-class 
C) third-class 
A) first-class 
B) second-class 
C) third-class

Question 16

In which body region would you expect to find a muscle whose name includes the word "pollicis"?

Accepted Answer

A) Great toe 
B) Buttocks 
C) Thumb 
D) Neck 
E) Wrist 
A) Great toe 
B) Buttocks 
C) Thumb 
D) Neck 
E) Wrist

Question 17

In general,a skeletal muscle is composed of 
A: Connective tissue sheaths
B: Nerves
C: Arteries
D: Veins
E: Muscle fibers

Accepted Answer

A) a,b,c,e 
B) a,b,d,e 
C) b,c,d,e 
D) a,b,c,d 
E) a,b,c,d,e 
A) a,b,c,e 
B) a,b,d,e 
C) b,c,d,e 
D) a,b,c,d 
E) a,b,c,d,e

Question 18

The neurons that stimulate muscle contraction are called _____ neurons.

Accepted Answer

A) sensory 
B) contractile 
C) inhibitory 
D)  somatic motor 
E) association 
A) sensory 
B) contractile 
C) inhibitory 
D)  somatic motor 
E) association

Question 19

The vascular supply to slow muscle fibers is ______ the network of capillaries around fast muscle fibers.

Accepted Answer

A) more extensive than 
B) less extensive than 
C) the same as that of 
A) more extensive than 
B) less extensive than 
C) the same as that of

Question 20

Skeletal muscles are the only locations in the body where muscle tissue is found.

Accepted Answer

A) True 
 B)False

Exam 10: Muscle Tissue and Organization

The resistance to fatigue of fast fibers is ______ when compared to that of slow or intermediate fibers.

Slow fibers are specialized to continue contracting for extended periods of time without experiencing fatigue.

Which is the neurotransmitter that causes the release of calcium ions and initiates the steps of skeletal muscle fiber contraction?

The top long distance runners probably have _______ proportion of slow muscle fibers in their leg muscles.

What is the letter associated with the dark bands in a sarcomere?

The multiple nuclei in skeletal muscle cells are the result of the

In a sarcomere,which letter is associated with the light band that contains thin filaments only?

In an isotonic contraction,the tension produced exceeds the resistance and muscle fibers will shorten.

One of the names for the areolar connective tissue and adipose connective tissue that separates muscle from skin is ______________ fascia.

Which is a correct listing of the hierarchy of a skeletal muscle's components,beginning with the smallest? A: Myofibrils B: Muscle fiber C: Fascicle D: Skeletal muscle

The T-tubules and sarcoplasmic reticulum are unique to muscle fibers.

Which region of a somite differentiates into the skeletal muscles?

Though the myofibrils within a muscle fiber run the length of the cell,they are actually composed of groupings of ______________ (protein filaments).

The most common type of pennate muscle configuration is

When the force is applied between the resistance and the fulcrum,the result is a _____ lever.

In which body region would you expect to find a muscle whose name includes the word "pollicis"?

In general,a skeletal muscle is composed of A: Connective tissue sheaths B: Nerves C: Arteries D: Veins E: Muscle fibers

The neurons that stimulate muscle contraction are called _____ neurons.

The vascular supply to slow muscle fibers is ______ the network of capillaries around fast muscle fibers.

Skeletal muscles are the only locations in the body where muscle tissue is found.

A First Look at Anatomy

The Celt Basic Unit of Structure and Function

Embryology

Tissue Level of Organization

Integumentary System

Cartilage and Bone

Axial Skeleton

Appendicular Skeleton

Articulations

Axial Muscles

Appendicular Muscles

Surface Anatomy

Nervous Tissue

Brain and Cranial Nerves

Spinal Cord and Spinal Nerves

Pathways and Integrative Functions

Autonomic Nervous System

Senses: General and Special

Endocrine System

Blood

Heart

Vessels and Circulation

Lymphatic System

Respiratory System

Digestive System

Urinary System

Reproductive System

Filters