Question 1

Skeletal muscle fibers differ from "typical cells" in that these muscle fibers

Accepted Answer

A)  lack a plasma membrane. 
B)  have many nuclei. 
C)  are very small. 
D)  lack mitochondria. 
E)  all of the above 
A)  lack a plasma membrane. 
B)  have many nuclei. 
C)  are very small. 
D)  lack mitochondria. 
E)  all of the above

Question 2

The origin of the frontal belly of the occipitofrontalis muscle is the

Accepted Answer

A)  mandible. 
B)  frontal bone. 
C)  occipital bone. 
D)  galea aponeurotica. 
E)  temporal bone. 
A)  mandible. 
B)  frontal bone. 
C)  occipital bone. 
D)  galea aponeurotica. 
E)  temporal bone.

Question 3

Because skeletal muscle contractions demand large quantities of ATP, skeletal muscles have

Accepted Answer

A)  a rich nerve supply. 
B)  a rich vascular supply. 
C)  very few mitochondria. 
D)  little need for oxygen. 
E)  all of the above 
A)  a rich nerve supply. 
B)  a rich vascular supply. 
C)  very few mitochondria. 
D)  little need for oxygen. 
E)  all of the above

Question 4

The muscle that originates along the entire length of the linea aspera of the femur is the

Accepted Answer

A)  vastus lateralis. 
B)  vastus medialis. 
C)  iliacus. 
D)  rectus femoris. 
E)  biceps femoris. 
A)  vastus lateralis. 
B)  vastus medialis. 
C)  iliacus. 
D)  rectus femoris. 
E)  biceps femoris.

Question 5

A person whose genetic makeup makes him or her a better marathon runner than a sprinter probably has more ________ in his or her leg muscles.

Accepted Answer

A)  fast fibers 
B)  intermediate fibers 
C)  slow fibers 
D)  dark fibers 
E)  noncontractile fibers 
A)  fast fibers 
B)  intermediate fibers 
C)  slow fibers 
D)  dark fibers 
E)  noncontractile fibers

Question 6

Mary wants to enter a marathon and consults you as to what type of muscle fibers she needs to develop and how she should go about it. What would you suggest to her?

Accepted Answer

Marathons require aerobic endurance. Mar

Question 7

During activities requiring aerobic endurance,

Accepted Answer

A)  glycogen and glycolysis are the primary sources of reserve energy. 
B)  oxygen debts are common. 
C)  most of the muscle's energy is produced in mitochondria. 
D)  fatigue occurs in a few minutes. 
E)  all of the above 
A)  glycogen and glycolysis are the primary sources of reserve energy. 
B)  oxygen debts are common. 
C)  most of the muscle's energy is produced in mitochondria. 
D)  fatigue occurs in a few minutes. 
E)  all of the above

Question 8

In addition to the number and type of muscle fibers in a muscle, peak athletic performance requires

Accepted Answer

A)  a good blood supply and system of blood delivery. 
B)  a well-developed respiratory system. 
C)  the coordination of the nervous system. 
D)  good supplies of nutrients. 
E)  all of the above 
A)  a good blood supply and system of blood delivery. 
B)  a well-developed respiratory system. 
C)  the coordination of the nervous system. 
D)  good supplies of nutrients. 
E)  all of the above

Question 9

A muscle _________________________ contains a sarcolemma, sarcoplasm, filaments, and myofibrils.

Accepted Answer

The answer of A muscle _________________________ contains a sarcolemma, sarcoplasm,...

Question 10

The ________ contains vesicles filled with acetylcholine.

Accepted Answer

A)  synaptic knob 
B)  motor end plate 
C)  neuromuscular junction 
D)  synaptic cleft 
E)  transverse tubule 
A)  synaptic knob 
B)  motor end plate 
C)  neuromuscular junction 
D)  synaptic cleft 
E)  transverse tubule

Question 11

Muscle fascicles are separated by

Accepted Answer

A)  endomysium. 
B)  perimysium. 
C)  epimysium. 
D)  sarcolemma. 
E)  periosteum. 
A)  endomysium. 
B)  perimysium. 
C)  epimysium. 
D)  sarcolemma. 
E)  periosteum.

Question 12

The terminal cisternae are parts of the

Accepted Answer

A)  myofilaments. 
B)  sarcoplasmic reticula. 
C)  myofibrils. 
D)  I bands. 
E)  sarcolemma. 
A)  myofilaments. 
B)  sarcoplasmic reticula. 
C)  myofibrils. 
D)  I bands. 
E)  sarcolemma.

Question 13

Contraction during muscle lengthening is called

Accepted Answer

A)  eccentric contraction. 
B)  concentric contraction. 
C)  isometric contraction. 
D)  isotonic contraction. 
E)  all of the above 
A)  eccentric contraction. 
B)  concentric contraction. 
C)  isometric contraction. 
D)  isotonic contraction. 
E)  all of the above

Question 14

Which of the following is true about red muscles?

Accepted Answer

A)  Red muscles are slower than white muscles. 
B)  Red muscles have fewer mitochondria than white muscles. 
C)  Red muscles are dominant in a bodybuilder. 
D)  Red muscles contain less myoglobin than white muscles. 
E)  Red muscles fatigue quickly. 
A)  Red muscles are slower than white muscles. 
B)  Red muscles have fewer mitochondria than white muscles. 
C)  Red muscles are dominant in a bodybuilder. 
D)  Red muscles contain less myoglobin than white muscles. 
E)  Red muscles fatigue quickly.

Question 15

The "kissing muscle" that purses the lips is the

Accepted Answer

A)  zygomaticus. 
B)  orbicularis oris. 
C)  buccinator. 
D)  orbicularis oculi. 
E)  temporalis. 
A)  zygomaticus. 
B)  orbicularis oris. 
C)  buccinator. 
D)  orbicularis oculi. 
E)  temporalis.

Question 16

Using the figure above, identify the labeled part.
-Label B: ________

Accepted Answer

The answer of   Using the figure above, identify...

Question 17

While unloading her trunk, Amy pulls a muscle and as a result has difficulty moving her arm. The doctor in the emergency room tells her that she pulled her latissimus dorsi. Amy tells you that she thought the latissimus dorsi was a back muscle and doesn't understand what that has to do with her arm. What would you tell her?

Accepted Answer

Although the latissimus is located acros

Question 18

Which of the following activities would employ isometric contractions?

Accepted Answer

A)  flexing the forearm 
B)  chewing food 
C)  standing at attention 
D)  running 
E)  writing 
A)  flexing the forearm 
B)  chewing food 
C)  standing at attention 
D)  running 
E)  writing

Question 19

Which of the following is the origin of the pectoralis minor?

Accepted Answer

A)  vertebral border near the spine 
B)  coracoid process of the scapula 
C)  mastoid region of the skull 
D)  occipital bone of the skull 
E)  upper pairs of ribs 
A)  vertebral border near the spine 
B)  coracoid process of the scapula 
C)  mastoid region of the skull 
D)  occipital bone of the skull 
E)  upper pairs of ribs

Question 20

The muscle that extends the arm while doing push-ups is the

Accepted Answer

A)  deltoid. 
B)  pectoralis major. 
C)  brachialis. 
D)  triceps brachii. 
E)  biceps brachii. 
A)  deltoid. 
B)  pectoralis major. 
C)  brachialis. 
D)  triceps brachii. 
E)  biceps brachii.

Skeletal muscle fibers differ from "typical cells" in that these muscle fibers

The origin of the frontal belly of the occipitofrontalis muscle is the

Because skeletal muscle contractions demand large quantities of ATP, skeletal muscles have

The muscle that originates along the entire length of the linea aspera of the femur is the

A person whose genetic makeup makes him or her a better marathon runner than a sprinter probably has more ________ in his or her leg muscles.

Mary wants to enter a marathon and consults you as to what type of muscle fibers she needs to develop and how she should go about it. What would you suggest to her?

During activities requiring aerobic endurance,

In addition to the number and type of muscle fibers in a muscle, peak athletic performance requires

A muscle _________________________ contains a sarcolemma, sarcoplasm, filaments, and myofibrils.

The ________ contains vesicles filled with acetylcholine.

Muscle fascicles are separated by

The terminal cisternae are parts of the

Contraction during muscle lengthening is called

Which of the following is true about red muscles?

The "kissing muscle" that purses the lips is the

Using the figure above, identify the labeled part. -Label B: ________

Which of the following activities would employ isometric contractions?

Which of the following is the origin of the pectoralis minor?

The muscle that extends the arm while doing push-ups is the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphoid System and Immunity

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

The Reproductive System

Development and Inheritance

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Exam 7: The Muscular System

Skeletal muscle fibers differ from "typical cells" in that these muscle fibers

The origin of the frontal belly of the occipitofrontalis muscle is the

Because skeletal muscle contractions demand large quantities of ATP, skeletal muscles have

The muscle that originates along the entire length of the linea aspera of the femur is the

A person whose genetic makeup makes him or her a better marathon runner than a sprinter probably has more ________ in his or her leg muscles.

Mary wants to enter a marathon and consults you as to what type of muscle fibers she needs to develop and how she should go about it. What would you suggest to her?

During activities requiring aerobic endurance,

In addition to the number and type of muscle fibers in a muscle, peak athletic performance requires

A muscle _________________________ contains a sarcolemma, sarcoplasm, filaments, and myofibrils.

The ________ contains vesicles filled with acetylcholine.

Muscle fascicles are separated by

The terminal cisternae are parts of the

Contraction during muscle lengthening is called

Which of the following is true about red muscles?

The "kissing muscle" that purses the lips is the

Using the figure above, identify the labeled part. -Label B: ________

Which of the following activities would employ isometric contractions?

Which of the following is the origin of the pectoralis minor?

The muscle that extends the arm while doing push-ups is the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphoid System and Immunity

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

The Reproductive System

Development and Inheritance

Filters