Question 1

Pre-SMA and SMA form connections with _________ of primary motor cortex.

Accepted Answer

A)  pyramidal cells in Layer III . 
B)  pyramidal cells in Layer V 
C)  Purkinje cells in Layer III 
D)  Purkinje cells in Layer V 
A)  pyramidal cells in Layer III . 
B)  pyramidal cells in Layer V 
C)  Purkinje cells in Layer III 
D)  Purkinje cells in Layer V

Question 2

Your friend was in an accident,and although his intelligence and personality are unchanged,he is no longer able to play his guitar,nor is he the coordinated athlete he once was.His symptoms may be the result of damage to which of the following areas?

Accepted Answer

A)  the frontal lobes 
B)  the cerebellum 
C)  the occipital lobes 
D)  the hippocampus 
A)  the frontal lobes 
B)  the cerebellum 
C)  the occipital lobes 
D)  the hippocampus

Question 3

Describe the major features of fast and slow-twitch muscles,and discuss the implications of these different features for movement.

Accepted Answer

The answer of Describe the major features of fast and...

Question 4

Intrafusal fibers receive input from

Accepted Answer

A)  alpha motor neurons. 
B)  gamma motor neurons. 
C)  Ia sensory fibers. 
D)  C fibers. 
A)  alpha motor neurons. 
B)  gamma motor neurons. 
C)  Ia sensory fibers. 
D)  C fibers.

Question 5

An athlete with likely potential in Olympic weightlifting would probably have _________ in the quadriceps muscle.

Accepted Answer

A)  about the same number of fast- and slow-twitch fibers 
B)  more fast- than slow-twitch fibers 
C)  more slow- than fast-twitch fibers 
D)  only fast-twitch muscles 
A)  about the same number of fast- and slow-twitch fibers 
B)  more fast- than slow-twitch fibers 
C)  more slow- than fast-twitch fibers 
D)  only fast-twitch muscles

Question 6

The _________ tracts are part of the lateral pathway.

Accepted Answer

A)  tectospinal and rubrospinal 
B)  vestibulospinal and tectospinal 
C)  corticospinal and reticulospinal 
D)  rubrospinal and corticospinal 
A)  tectospinal and rubrospinal 
B)  vestibulospinal and tectospinal 
C)  corticospinal and reticulospinal 
D)  rubrospinal and corticospinal

Question 7

The detachment of actin and myosin molecules requires

Accepted Answer

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

Question 8

Flexion reflexes,such as our withdrawal of our foot away from a sharp object,are examples of polysynaptic reflexes.

Accepted Answer

A) True 
 B)False

Question 9

The arrival of an action potential causes

Accepted Answer

A)  calcium to enter the muscle fiber. 
B)  calcium to be released by internal organelles. 
C)  acetylcholine to enter the muscle fiber. 
D)  acetylcholine to be released by internal organelles. 
A)  calcium to enter the muscle fiber. 
B)  calcium to be released by internal organelles. 
C)  acetylcholine to enter the muscle fiber. 
D)  acetylcholine to be released by internal organelles.

Question 10

A history of having applied insecticides and herbicides to one's garden is related to which of the following disorders?

Accepted Answer

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

Question 11

According to PET scans,which of the following areas are the first to show activity when a voluntary movement is initiated?

Accepted Answer

A)  the parietal and temporal lobes 
B)  the parietal lobes and prefrontal cortex 
C)  the supplementary motor area and the premotor area 
D)  the premotor area and the parietal lobes 
A)  the parietal and temporal lobes 
B)  the parietal lobes and prefrontal cortex 
C)  the supplementary motor area and the premotor area 
D)  the premotor area and the parietal lobes

Question 12

What causes muscles to twitch?

Accepted Answer

A)  depolarization of the muscle fiber produced by an influx of sodium ions 
B)  depolarization of the muscle fiber produced by an influx of potassium ions 
C)  hyperpolarization of the muscle fiber produced by an influx of calcium ions 
D)  hyperpolarization of the muscle fiber produced by an outflow of potassium ions 
A)  depolarization of the muscle fiber produced by an influx of sodium ions 
B)  depolarization of the muscle fiber produced by an influx of potassium ions 
C)  hyperpolarization of the muscle fiber produced by an influx of calcium ions 
D)  hyperpolarization of the muscle fiber produced by an outflow of potassium ions

Question 13

Caspase blockers may eventually be helpful in treating cases of

Accepted Answer

A)  polio and muscular dystrophy. 
B)  Parkinson's disease and Huntington's disease. 
C)  Huntington's disease and amyotrophic lateral sclerosis. 
D)  myasthenia gravis and Parkinson's disease. 
A)  polio and muscular dystrophy. 
B)  Parkinson's disease and Huntington's disease. 
C)  Huntington's disease and amyotrophic lateral sclerosis. 
D)  myasthenia gravis and Parkinson's disease.

Question 14

The pontine reticulospinal tract originates in the

Accepted Answer

A)  reticular formation of the pons. 
B)  reticular formation of the medulla. 
C)  vestibular nuclei of the medulla. 
D)  midbrain. 
A)  reticular formation of the pons. 
B)  reticular formation of the medulla. 
C)  vestibular nuclei of the medulla. 
D)  midbrain.

Question 15

Degeneration of the neurons of the substantia nigra is implicated in

Accepted Answer

A)  amyotrophic lateral sclerosis. 
B)  Parkinson's disease. 
C)  Huntington's disease. 
D)  myasthenia gravis. 
A)  amyotrophic lateral sclerosis. 
B)  Parkinson's disease. 
C)  Huntington's disease. 
D)  myasthenia gravis.

Question 16

Describe the relationship between alpha motor neurons and the fiber types that they innervate.

Accepted Answer

A single alpha motor neuron and the fibe

Question 17

When an action potential arrives at the muscle fiber,calcium is released internally and binds with troponin.

Accepted Answer

A) True 
 B)False

Question 18

The vestibulospinal tract originates in the

Accepted Answer

A)  reticular formation of the pons. 
B)  reticular formation of the medulla. 
C)  vestibular nuclei of the medulla. 
D)  midbrain. 
A)  reticular formation of the pons. 
B)  reticular formation of the medulla. 
C)  vestibular nuclei of the medulla. 
D)  midbrain.

Question 19

A disorder produced by the degeneration of ACh receptors is known as

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 20

Which of the following statements about muscle movement is true?

Accepted Answer

A)  The only way muscles can cause movement is by contracting. 
B)  A single muscle can bend a joint by contracting and straighten it by relaxing. 
C)  Smooth muscles cause movement by contracting,while striated muscles cause movement by contracting and relaxing. 
D)  Striated muscles cause movement by contracting,but smooth muscles causes movement by contracting and relaxing. 
A)  The only way muscles can cause movement is by contracting. 
B)  A single muscle can bend a joint by contracting and straighten it by relaxing. 
C)  Smooth muscles cause movement by contracting,while striated muscles cause movement by contracting and relaxing. 
D)  Striated muscles cause movement by contracting,but smooth muscles causes movement by contracting and relaxing.

Pre-SMA and SMA form connections with _________ of primary motor cortex.

Your friend was in an accident,and although his intelligence and personality are unchanged,he is no longer able to play his guitar,nor is he the coordinated athlete he once was.His symptoms may be the result of damage to which of the following areas?

Describe the major features of fast and slow-twitch muscles,and discuss the implications of these different features for movement.

Intrafusal fibers receive input from

An athlete with likely potential in Olympic weightlifting would probably have _________ in the quadriceps muscle.

The _________ tracts are part of the lateral pathway.

The detachment of actin and myosin molecules requires

Flexion reflexes,such as our withdrawal of our foot away from a sharp object,are examples of polysynaptic reflexes.

The arrival of an action potential causes

A history of having applied insecticides and herbicides to one's garden is related to which of the following disorders?

According to PET scans,which of the following areas are the first to show activity when a voluntary movement is initiated?

What causes muscles to twitch?

Caspase blockers may eventually be helpful in treating cases of

The pontine reticulospinal tract originates in the

Degeneration of the neurons of the substantia nigra is implicated in

Describe the relationship between alpha motor neurons and the fiber types that they innervate.

When an action potential arrives at the muscle fiber,calcium is released internally and binds with troponin.

The vestibulospinal tract originates in the

A disorder produced by the degeneration of ACh receptors is known as

Which of the following statements about muscle movement is true?

Introducing Biological Psychology

The Anatomy and Evolution of the Nervous System

Cells of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Vision

Nonvisual Sensation and Perception

Temperature Regulation,thirst,and Hunger

Sexual Behavior

Sleep and Waking

Learning and Memory

Lateralization, language, and Intelligence

Emotion, reward, aggression, and Stress

Neurological Disorders

Psychological Disorders

Filters

Exam 8: Movement

Pre-SMA and SMA form connections with _________ of primary motor cortex.

Your friend was in an accident,and although his intelligence and personality are unchanged,he is no longer able to play his guitar,nor is he the coordinated athlete he once was.His symptoms may be the result of damage to which of the following areas?

Describe the major features of fast and slow-twitch muscles,and discuss the implications of these different features for movement.

Intrafusal fibers receive input from

An athlete with likely potential in Olympic weightlifting would probably have _________ in the quadriceps muscle.

The _________ tracts are part of the lateral pathway.

The detachment of actin and myosin molecules requires

Flexion reflexes,such as our withdrawal of our foot away from a sharp object,are examples of polysynaptic reflexes.

The arrival of an action potential causes

A history of having applied insecticides and herbicides to one's garden is related to which of the following disorders?

According to PET scans,which of the following areas are the first to show activity when a voluntary movement is initiated?

What causes muscles to twitch?

Caspase blockers may eventually be helpful in treating cases of

The pontine reticulospinal tract originates in the

Degeneration of the neurons of the substantia nigra is implicated in

Describe the relationship between alpha motor neurons and the fiber types that they innervate.

When an action potential arrives at the muscle fiber,calcium is released internally and binds with troponin.

The vestibulospinal tract originates in the

A disorder produced by the degeneration of ACh receptors is known as

Which of the following statements about muscle movement is true?

Introducing Biological Psychology

The Anatomy and Evolution of the Nervous System

Cells of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Vision

Nonvisual Sensation and Perception

Temperature Regulation,thirst,and Hunger

Sexual Behavior

Sleep and Waking

Learning and Memory

Lateralization, language, and Intelligence

Emotion, reward, aggression, and Stress

Neurological Disorders

Psychological Disorders

Filters