Question 1

In a reflex arc, ___________ neurons pass out of the central nervous system to stimulate effectors.

Accepted Answer

The answer of In a reflex arc, ___________ neurons pass...

Question 2

Spinal shock is a permanent loss of some of the spinal cord's functions.

Accepted Answer

A) True 
 B)False

Question 3

If fibers in the ascending tract of the spinal cord are cut, the affected person will have a loss of motor functions below the injury.

Accepted Answer

A) True 
 B)False

Question 4

The brain waves most closely associated with mental activity are

Accepted Answer

A)   alpha waves.
B)   beta waves.
C)   theta waves.
D)   delta waves.

Question 5

Aphasia is loss of the ability to

Accepted Answer

A)   speak.
B)   move the hands.
C)   walk.
D)   think.

Question 6

A person in a persistent vegetative state

Accepted Answer

A)   craves vegetables.
B)   cannot move, but is aware of self.
C)   can move, but seems unaware of self.
D)   repeats the same phrases over and over.

Question 7

A spinal nerve passing through the intervertebral foramen is

Accepted Answer

A)   associated with the vertebra above.
B)   composed of afferent fibers only.
C)   composed of efferent fibers only.
D)   associated with cranial nerve C1.

Question 8

Basal ganglia are located in the ______ and ______.

Accepted Answer

A)   brainstem; relay motor impulses from the cerebral cortex
B)   frontal lobe; aid in control of motor activities
C)   deep regions of the cerebral hemispheres; aid in control of motor activities
D)   cerebral hemispheres; control the senses

Question 9

The primary motor area of the brain is in the

Accepted Answer

A)   postcentral gyrus of the parietal lobe.
B)   precentral gyrus of the frontal lobe.
C)   posterior sulcus of the temporal lobe.
D)   lateral part of the occipital lobe.

Question 10

Which of the following is not a function of the hypothalamus?

Accepted Answer

A)   Regulation of body temperature
B)   Control of hunger and thirst
C)   Production of hormones
D)   Control of postural reflexes

Question 11

The expected response to the triceps-jerk reflex is

Accepted Answer

A)   flexion of the forearm.
B)   extension of the forearm.
C)   plantar flexion.
D)   plantar extension.

Question 12

Dopamine is secreted by the ___________ and is deficient in ______ disease.

Accepted Answer

A)   cerebral cortex; Alzheimer
B)   amygdala; Lou Gehrig's
C)   medulla oblongata; Huntington
D)   substantia nigra; Parkinson

Question 13

Bob witnesses an auto accident and impulses from the ___________ division of the autonomic nervous system increase his heart rate.

Accepted Answer

A)   spinal
B)   parasympathetic
C)   sympathetic
D)   cranial

Question 14

Cerebrospinal fluid

Accepted Answer

A)   informs the autonomic centers in the brainstem and hypothalamus about the internal environment.
B)   provides a pathway for waste to enter the blood.
C)   protects the brain and spinal cord.
D)   all of the above.

Question 15

The brain has about one hundred million neurons.

Accepted Answer

A) True 
 B)False

Question 16

Which lobe of your brain are you using when you answer this question?

Accepted Answer

A)   Frontal
B)   Parietal
C)   Temporal
D)   Occipital

Question 17

Spinal nerve injury may result from

Accepted Answer

A)   fracture of vertebrae, dislocations, or birth injuries.
B)   too little dopamine in the basal ganglia.
C)   excess acetylcholine in synapses.
D)   a drug overdose.

Question 18

Sympathetic tone is continuous stimulation of smooth muscles in the walls of blood vessels, which results in partial constriction.

Accepted Answer

A) True 
 B)False

Question 19

In spastic paralysis

Accepted Answer

A)   muscle tone increases and the muscles atrophy.
B)   muscle tone increases and the muscles do not atrophy.
C)   muscle tone decreases and the muscles atrophy.
D)   muscle tone decreases and the muscles do not atrophy.

Question 20

Melinda has Parkinson disease. Her movements are slowing and she has difficulty initiating voluntary muscular actions. The region that is affected in her brain is the

Accepted Answer

A)   frontal lobe.
B)   parietal lobe.
C)   basal ganglia.
D)   amygdala.

Exam 11: Nervous System II: Division of the Nervous System

In spastic paralysis

Correct AnswerverifiedShow Answer

Aphasia is loss of the ability to

Correct AnswerverifiedShow Answer

The expected response to the triceps-jerk reflex is

Correct AnswerverifiedShow Answer

A spinal nerve passing through the intervertebral foramen is

Correct AnswerverifiedShow Answer

Basal ganglia are located in the ______ and ______.

Correct AnswerverifiedShow Answer

If fibers in the ascending tract of the spinal cord are cut, the affected person will have a loss of motor functions below the injury.

Correct AnswerverifiedShow Answer

Bob witnesses an auto accident and impulses from the ___________ division of the autonomic nervous system increase his heart rate.

Correct AnswerverifiedShow Answer

The brain has about one hundred million neurons.

Correct AnswerverifiedShow Answer

The brain waves most closely associated with mental activity are

Correct AnswerverifiedShow Answer

In a reflex arc, ___________ neurons pass out of the central nervous system to stimulate effectors.

Correct AnswerverifiedShow Answer

Spinal shock is a permanent loss of some of the spinal cord's functions.

Correct AnswerverifiedShow Answer

Melinda has Parkinson disease. Her movements are slowing and she has difficulty initiating voluntary muscular actions. The region that is affected in her brain is the

Correct AnswerverifiedShow Answer

Which of the following is not a function of the hypothalamus?

Correct AnswerverifiedShow Answer

A person in a persistent vegetative state

Correct AnswerverifiedShow Answer

Cerebrospinal fluid

Correct AnswerverifiedShow Answer

Spinal nerve injury may result from

Correct AnswerverifiedShow Answer

Which lobe of your brain are you using when you answer this question?

Correct AnswerverifiedShow Answer

The primary motor area of the brain is in the

Correct AnswerverifiedShow Answer

Dopamine is secreted by the ___________ and is deficient in ______ disease.

Correct AnswerverifiedShow Answer

Sympathetic tone is continuous stimulation of smooth muscles in the walls of blood vessels, which results in partial constriction.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Basal ganglia are located in the and .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Dopamine is secreted by the _____ and is deficient in disease.

Correct Answer
verified

Correct Answer
verified