Question 1

What is the function of striated muscles?

Accepted Answer

A)  control blood pressure and move the eyes and lung 
B)  move nutrients through the digestive tract and move bones 
C)  control the heart and skeletal muscles 
D)  control blood pressure and move the heart 
A)  control blood pressure and move the eyes and lung 
B)  move nutrients through the digestive tract and move bones 
C)  control the heart and skeletal muscles 
D)  control blood pressure and move the heart

Question 2

The muscles of the arms and shoulders contain

Accepted Answer

A)  approximately equal amounts of fast- and slow-twitch fibers, making them well suited for both endurance and explosive movements. 
B)  higher proportions of slow-twitch fibers, making them better suited for endurance than for explosive movements. 
C)  higher proportions of fast-twitch fibers, making them better suited for explosive movements than for endurance movements. 
D)  higher proportions of fast-twitch fibers, making them better suited for endurance than for explosive movements. 
A)  approximately equal amounts of fast- and slow-twitch fibers, making them well suited for both endurance and explosive movements. 
B)  higher proportions of slow-twitch fibers, making them better suited for endurance than for explosive movements. 
C)  higher proportions of fast-twitch fibers, making them better suited for explosive movements than for endurance movements. 
D)  higher proportions of fast-twitch fibers, making them better suited for endurance than for explosive movements.

Question 3

Neurons controlling voluntary movement of the head are located in the

Accepted Answer

A)  ventral portions of the precentral gyrus. 
B)  dorsal portions of the postcentral gyrus. 
C)  supplementary motor area (SM
A) . 
D)  cerebellum. 
A)  ventral portions of the precentral gyrus. 
B)  dorsal portions of the postcentral gyrus. 
C)  supplementary motor area (SM
A) . 
D)  cerebellum.

Question 4

Ventromedial pathways provide

Accepted Answer

A)  automatic control of the hands, feet, and parts of limbs farther from the body. 
B)  automatic control of the neck, torso, and parts of limbs close to the body. 
C)  voluntary control of the hands, feet, and the medial sections of limbs. 
D)  voluntary control of the neck and torso. 
A)  automatic control of the hands, feet, and parts of limbs farther from the body. 
B)  automatic control of the neck, torso, and parts of limbs close to the body. 
C)  voluntary control of the hands, feet, and the medial sections of limbs. 
D)  voluntary control of the neck and torso.

Question 5

The lungs are moved by _________ muscle

Accepted Answer

A)  smooth 
B)  cardiac 
C)  striated 
D)  both smooth and striated 
A)  smooth 
B)  cardiac 
C)  striated 
D)  both smooth and striated

Question 6

Which of the following muscle spindle fibers provides information about a muscle's velocity of change?

Accepted Answer

A)  dynamic nuclear bag fibers 
B)  nuclear chain fibers 
C)  static nuclear bag fibers 
D)  dynamic nuclear chain fibers 
A)  dynamic nuclear bag fibers 
B)  nuclear chain fibers 
C)  static nuclear bag fibers 
D)  dynamic nuclear chain fibers

Question 7

The separation of actin molecules from myosin molecules requires

Accepted Answer

A)  calcium. 
B)  sodium. 
C)  ACh. 
D)  energy. 
A)  calcium. 
B)  sodium. 
C)  ACh. 
D)  energy.

Question 8

Primary motor cortex is located in the _________ gyrus of the _________ lobe.

Accepted Answer

A)  precentral; frontal 
B)  precentral; parietal 
C)  postcentral; frontal 
D)  postcentral; parietal 
A)  precentral; frontal 
B)  precentral; parietal 
C)  postcentral; frontal 
D)  postcentral; parietal

Question 9

Dr. Paquin tests the Longmore's new baby for the Babinski sign, a type of monosynaptic reflex.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following disorders appears to be more common in lean individuals who participated in college level athletics?

Accepted Answer

A)  polio 
B)  muscular dystrophy 
C)  amyotrophic lateral sclerosis 
D)  myasthenia gravis 
A)  polio 
B)  muscular dystrophy 
C)  amyotrophic lateral sclerosis 
D)  myasthenia gravis

Question 11

Alla is studying for a quiz on the motor systems in the body. She writes in her notes that all of the motor neurons that innervate a single muscle are collectively called a

Accepted Answer

A)  motor neuron pool. 
B)  motor unit. 
C)  neuromuscular junction. 
D)  muscle spindle. 
A)  motor neuron pool. 
B)  motor unit. 
C)  neuromuscular junction. 
D)  muscle spindle.

Question 12

Abnormalities in muscle fiber proteins characterize

Accepted Answer

A)  myasthenia gravis. 
B)  muscular dystrophy. 
C)  Parkinson's disease. 
D)  Huntington's disease. 
A)  myasthenia gravis. 
B)  muscular dystrophy. 
C)  Parkinson's disease. 
D)  Huntington's disease.

Question 13

Where should we look to find Ia sensory fibers?

Accepted Answer

A)  at the neuromuscular junction where they are forming synapses with muscle fibers 
B)  wrapped around the middle sections of muscle spindle fibers 
C)  in the junctions between muscles and tendons 
D)  in joints and in the skin 
A)  at the neuromuscular junction where they are forming synapses with muscle fibers 
B)  wrapped around the middle sections of muscle spindle fibers 
C)  in the junctions between muscles and tendons 
D)  in joints and in the skin

Question 14

Motor units that include Type IIb fibers

Accepted Answer

A)  usually include Type IIa fibers as well. 
B)  produce about 100 times the force as units that include Type I fibers. 
C)  produce about one-third of the force produced by units that include Type IIa fibers. 
D)  are rarely found in humans. 
A)  usually include Type IIa fibers as well. 
B)  produce about 100 times the force as units that include Type I fibers. 
C)  produce about one-third of the force produced by units that include Type IIa fibers. 
D)  are rarely found in humans.

Question 15

Single segments of a myofibril are called

Accepted Answer

A)  sarcomeres. 
B)  twitches. 
C)  Z lines. 
D)  troponins. 
A)  sarcomeres. 
B)  twitches. 
C)  Z lines. 
D)  troponins.

Question 16

Faith has been studying for a quiz and knows that pathways #1 and 2 are the

Accepted Answer

A)  medial lemniscus. 
B)  spinothalamic pathways. 
C)  lateral pathways. 
D)  ventromedial pathways. 
A)  medial lemniscus. 
B)  spinothalamic pathways. 
C)  lateral pathways. 
D)  ventromedial pathways.

Question 17

The reason the homunculus for the motor cortex is shaped the way it is (huge face, large hands) is that

Accepted Answer

A)  it is a drawing of all the motor functions of the body, and it is not drawn to scale. 
B)  the amount of cortex devoted to each part of the body is represented by the relative size of the body part. 
C)  it is a reproduction of a drawing done in the late eighteenth century. 
D)  there is an inverse relationship between the actual size of each body part to its representation in the homunculus drawing. 
A)  it is a drawing of all the motor functions of the body, and it is not drawn to scale. 
B)  the amount of cortex devoted to each part of the body is represented by the relative size of the body part. 
C)  it is a reproduction of a drawing done in the late eighteenth century. 
D)  there is an inverse relationship between the actual size of each body part to its representation in the homunculus drawing.

Question 18

Input from Ib sensory fibers

Accepted Answer

A)  inhibits the activity of alpha motor neurons. 
B)  activates alpha motor neurons. 
C)  contracts muscle spindles. 
D)  contracts muscles. 
A)  inhibits the activity of alpha motor neurons. 
B)  activates alpha motor neurons. 
C)  contracts muscle spindles. 
D)  contracts muscles.

Question 19

Brandon loves to spend many hours per week in the weight room, and he is quite muscular. Brandon's muscles have enlarged as a result of

Accepted Answer

A)  scar tissue. 
B)  the breakdown of sarcomeres and Z lines. 
C)  the production of more troponin. 
D)  the production of more actin and myosin filaments. 
A)  scar tissue. 
B)  the breakdown of sarcomeres and Z lines. 
C)  the production of more troponin. 
D)  the production of more actin and myosin filaments.

Question 20

Genetic abnormalities are probably most directly responsible for

Accepted Answer

A)  muscular dystrophy and Huntington's disease. 
B)  polio and muscular dystrophy. 
C)  Huntington's disease and polio. 
D)  tetanus and polio. 
A)  muscular dystrophy and Huntington's disease. 
B)  polio and muscular dystrophy. 
C)  Huntington's disease and polio. 
D)  tetanus and polio.

What is the function of striated muscles?

The muscles of the arms and shoulders contain

Neurons controlling voluntary movement of the head are located in the

Ventromedial pathways provide

The lungs are moved by _________ muscle

Which of the following muscle spindle fibers provides information about a muscle's velocity of change?

The separation of actin molecules from myosin molecules requires

Primary motor cortex is located in the _ gyrus of the _ lobe.

Dr. Paquin tests the Longmore's new baby for the Babinski sign, a type of monosynaptic reflex.

Which of the following disorders appears to be more common in lean individuals who participated in college level athletics?

Alla is studying for a quiz on the motor systems in the body. She writes in her notes that all of the motor neurons that innervate a single muscle are collectively called a

Abnormalities in muscle fiber proteins characterize

Where should we look to find Ia sensory fibers?

Motor units that include Type IIb fibers

Single segments of a myofibril are called

Faith has been studying for a quiz and knows that pathways #1 and 2 are the

The reason the homunculus for the motor cortex is shaped the way it is (huge face, large hands) is that

Input from Ib sensory fibers

Brandon loves to spend many hours per week in the weight room, and he is quite muscular. Brandon's muscles have enlarged as a result of

Genetic abnormalities are probably most directly responsible for

What Is Behavioral Neuroscience?

Functional Neuroanatomy and the Evolution of the Nervous System

Neurophysiology: The Structure and Functions of the Cells of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Vision

Nonvisual Sensation and Perception

Homeostasis, Motivation, and Reward

Sexual Behavior

Sleep and Waking

Learning and Memory

Cognition

Emotion, Aggression, and Stress

Neuropsychology

Psychopathology

Filters

Exam 8: Movement

What is the function of striated muscles?

The muscles of the arms and shoulders contain

Neurons controlling voluntary movement of the head are located in the

Ventromedial pathways provide

The lungs are moved by _________ muscle

Which of the following muscle spindle fibers provides information about a muscle's velocity of change?

The separation of actin molecules from myosin molecules requires

Primary motor cortex is located in the _________ gyrus of the _________ lobe.

Dr. Paquin tests the Longmore's new baby for the Babinski sign, a type of monosynaptic reflex.

Which of the following disorders appears to be more common in lean individuals who participated in college level athletics?

Alla is studying for a quiz on the motor systems in the body. She writes in her notes that all of the motor neurons that innervate a single muscle are collectively called a

Abnormalities in muscle fiber proteins characterize

Where should we look to find Ia sensory fibers?

Motor units that include Type IIb fibers

Single segments of a myofibril are called

Faith has been studying for a quiz and knows that pathways #1 and 2 are the

The reason the homunculus for the motor cortex is shaped the way it is (huge face, large hands) is that

Input from Ib sensory fibers

Brandon loves to spend many hours per week in the weight room, and he is quite muscular. Brandon's muscles have enlarged as a result of

Genetic abnormalities are probably most directly responsible for

What Is Behavioral Neuroscience?

Functional Neuroanatomy and the Evolution of the Nervous System

Neurophysiology: The Structure and Functions of the Cells of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Vision

Nonvisual Sensation and Perception

Homeostasis, Motivation, and Reward

Sexual Behavior

Sleep and Waking

Learning and Memory

Cognition

Emotion, Aggression, and Stress

Neuropsychology

Psychopathology

Filters

Primary motor cortex is located in the _ gyrus of the _ lobe.