Question 1

Acetylcholine is what?

Accepted Answer

A)  an enzyme
B)  a neurotransmitter
C)  a voltage gated ion channel
D)  a receptor
E)  a source of fuel for neuronsF) A) and B)
G) A) and C)

Question 2

A motor neuron's __________ and ___________ reside in the central nervous system,but its ____________ extend(s) into the peripheral nervous system.

Accepted Answer

A)  cell body,dendrites,axon
B)  dendrites,cell body,axon
C)  dendrites,axon,cell body
D)  axon,cell body,dendrites
E)  No answer is correct.F) All of the above
G) A) and B)

Question 3

In conductive deafness,the middle ear fails to move sound to the inner ear.By amplifying sounds in the auditory canal,the hearing aid moves the _______ more than normal,helping the person hear more clearly.

Accepted Answer

A)  cochlea
B)  eardrum
C)  oval window
D)  auditory canal
E)  auditory nerveF) B) and D)
G) D) and E)

Question 4

The size of the opening for light coming into the eye is regulated by

Accepted Answer

A)  corneA.
B)  pupil.
C)  iris.
D)  cone.
E)  lens.F) A) and E)
G) A) and B)

Question 5

The condition that develops when dopamine levels in the brain are deficient is

Accepted Answer

A)  epilepsy.
B)  insomnia.
C)  Alzheimer disease.
D)  Huntington disease.
E)  Parkinson diseasE.F) A) and B)
G) B) and C)

Question 6

The part of the central nervous system that conducts information to and from the brain is the

Accepted Answer

A)  motor neuron.
B)  spinal cord.
C)  sensory neuron.
D)  brainstem.
E)  medulla oblongata.F) B) and D)
G) C) and D)

Question 7

The three major roles of the human nervous system are

Accepted Answer

A)  sensory integration,glandular response,and motor response.
B)  seeing,feeling,and hearing.
C)  sensory input,sensory integration,and motor response.
D)  smooth muscle response,cardiac muscle response,and skeletal muscle response.
E)  No answer is correct.F) C) and E)
G) A) and C)

Question 8

Grasshopper mice have fewer action potentials when bitten by scorpions.

Accepted Answer

A) True 
 B)False

Question 9

If you were using electrodes and chemical tests to find a resting neuron,you would look for a neuron in which

Accepted Answer

A)  active transport is not occurring.
B)  sodium ions are more concentrated inside the cell than outside.
C)  very little metabolism is taking place.
D)  the inside of a neuron is positively charged as compared to the outside.
E)  potassium ions are more concentrated inside the cell than outsidE.F) C) and D)
G) A) and C)

Question 10

A neuron recharges when

Accepted Answer

A)  Na+ ions are actively pumped against their concentration gradient.
B)  Na+ ions spontaneously move down their concentration gradient.
C)  Na+ ions spontaneously move against their concentration gradient.
D)  Na+ ions are actively pumped down their concentration gradient.E) A) and D)
F) C) and D)

Question 11

The division of the peripheral nervous system that carries signals to voluntary muscles is the

Accepted Answer

A)  somatic system.
B)  autonomic system.
C)  sympathetic system.
D)  parasympathetic system.
E)  No answer is correct.F) A) and B)
G) A) and C)

Question 12

The rounded part of a neuron containing the nucleus and mitochondria is the

Accepted Answer

A)  myelin sheath.
B)  axon.
C)  synapse.
D)  dendrite.
E)  cell body.F) C) and D)
G) A) and D)

Question 13

When you look at the water,which is being activated?

Accepted Answer

A)  thermoreceptor
B)  pain receptor
C)  photoreceptor
D)  mechanoreceptor
E)  chemoreceptorF) A) and D)
G) C) and E)

Question 14

Amyotrophic lateral sclerosis,or Lou Gehrig disease,causes muscle weakness and atrophy due to a decrease in stimulation by which types of neurons?

Accepted Answer

A)  motor neurons
B)  sensory neurons
C)  interneurons
D)  motor and sensory neurons
E)  sensory and interneuronsF) None of the above
G) B) and C)

Question 15

Working with a patient with eye problems,you discover that the patient cannot focus images.You suspect that there may be a defect in the

Accepted Answer

A)  lens.
B)  cone.
C)  pupil.
D)  retina.
E)  iris.F) A) and C)
G) None of the above

Question 16

Which is not controlled by the nervous system?

Accepted Answer

A)  breathing
B)  heartbeat
C)  removing your hand from a hot surface
D)  removing your hand from a cold surface
E)  diffusion of water into cellsF) All of the above
G) C) and E)

Exam 24: The Nervous System and the Senses

The three major roles of the human nervous system are

Correct Answer
verified

The division of the peripheral nervous system that carries signals to voluntary muscles is the

Correct Answer
verified

Working with a patient with eye problems,you discover that the patient cannot focus images.You suspect that there may be a defect in the

Correct Answer
verified

When you look at the water,which is being activated?

Correct Answer
verified

The condition that develops when dopamine levels in the brain are deficient is

Correct Answer
verified

The rounded part of a neuron containing the nucleus and mitochondria is the

Correct Answer
verified

In conductive deafness,the middle ear fails to move sound to the inner ear.By amplifying sounds in the auditory canal,the hearing aid moves the _______ more than normal,helping the person hear more clearly.

Correct Answer
verified

The part of the central nervous system that conducts information to and from the brain is the

Correct Answer
verified

Amyotrophic lateral sclerosis,or Lou Gehrig disease,causes muscle weakness and atrophy due to a decrease in stimulation by which types of neurons?

Correct Answer
verified

A neuron recharges when

Correct Answer
verified

If you were using electrodes and chemical tests to find a resting neuron,you would look for a neuron in which

Correct Answer
verified

The size of the opening for light coming into the eye is regulated by

Correct Answer
verified

Acetylcholine is what?

Correct Answer
verified

Grasshopper mice have fewer action potentials when bitten by scorpions.

Correct Answer
verified

A motor neuron's ____ and _ reside in the central nervous system,but its ________ extend(s) into the peripheral nervous system.

Correct Answer
verified

Which is not controlled by the nervous system?

Correct Answer
verified

Exam 24: The Nervous System and the Senses

The three major roles of the human nervous system are

Correct AnswerverifiedShow Answer

The division of the peripheral nervous system that carries signals to voluntary muscles is the

Correct AnswerverifiedShow Answer

Working with a patient with eye problems,you discover that the patient cannot focus images.You suspect that there may be a defect in the

Correct AnswerverifiedShow Answer

When you look at the water,which is being activated?

Correct AnswerverifiedShow Answer

The condition that develops when dopamine levels in the brain are deficient is

Correct AnswerverifiedShow Answer

The rounded part of a neuron containing the nucleus and mitochondria is the

Correct AnswerverifiedShow Answer

In conductive deafness,the middle ear fails to move sound to the inner ear.By amplifying sounds in the auditory canal,the hearing aid moves the _______ more than normal,helping the person hear more clearly.

Correct AnswerverifiedShow Answer

The part of the central nervous system that conducts information to and from the brain is the

Correct AnswerverifiedShow Answer

Amyotrophic lateral sclerosis,or Lou Gehrig disease,causes muscle weakness and atrophy due to a decrease in stimulation by which types of neurons?

Correct AnswerverifiedShow Answer

A neuron recharges when

Correct AnswerverifiedShow Answer

If you were using electrodes and chemical tests to find a resting neuron,you would look for a neuron in which

Correct AnswerverifiedShow Answer

The size of the opening for light coming into the eye is regulated by

Correct AnswerverifiedShow Answer

Acetylcholine is what?

Correct AnswerverifiedShow Answer

Grasshopper mice have fewer action potentials when bitten by scorpions.

Correct AnswerverifiedShow Answer

A motor neuron's __________ and ___________ reside in the central nervous system,but its ____________ extend(s) into the peripheral nervous system.

Correct AnswerverifiedShow Answer

Which is not controlled by the nervous system?

Correct AnswerverifiedShow Answer

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A motor neuron's ____ and _ reside in the central nervous system,but its ________ extend(s) into the peripheral nervous system.

Correct Answer
verified

Correct Answer
verified