Question 1

What effect would Reminyl have on a neuron's ability to release neurotransmitters?

Accepted Answer

A)  It would decrease.
B)  It would stay the same.
C)  It would increase.
D)  It would increase,then decrease.
E)  No answer is correct.F) A) and C)
G) B) and C)

Question 2

The dendrite is the critical receiving end of a synapse.

Accepted Answer

A) True 
 B)False

Question 3

Receptors for the general senses are

Accepted Answer

A)  limited to the head.
B)  limited to the legs.
C)  found only in the brain and spinal cord.
D)  found throughout the body.
E)  found only on the surface of the body.F) A) and E)
G) A) and D)

Question 4

What does the puffer fish neurotoxin tetrodotoxin directly inhibit?

Accepted Answer

A)  proteins involved in active transport
B)  channel proteins involved in osmosis
C)  proteins involved in ATP synthesis
D)  channel proteins involved in diffusion
E)  relaxation of musclesF) B) and C)
G) All of the above

Question 5

Multiple sclerosis is an autoimmune disease in which a person raises antibodies against myelin.How would this affect the nervous system?

Accepted Answer

A)  Nerve impulses would travel faster.
B)  Nerves would fire continuously.
C)  Nerves would be unable to fire.
D)  Nerve impulses would travel more slowly.
E)  Nerves cannot release neurotransmitters to pass the signal to muscles.F) A) and D)
G) B) and D)

Question 6

The nervous system controls

Accepted Answer

A)  All answers are correct.
B)  conscious decisions,like what shirt to wear.
C)  subconscious reactions,like burping.
D)  emotional reactions,like crying.
E)  sensual actions,like hearing a loud sound.F) A) and E)
G) All of the above

Question 7

If a neuron is at rest,the concentration of potassium ions is greatest outside the cell and the concentration of sodium ions is greatest inside the cell.

Accepted Answer

A) True 
 B)False

Question 8

The part of the neuron that is usually highly branched and receives input from other neurons is the

Accepted Answer

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

Question 9

Dopamine is an inhibitory neurotransmitter released into neuromuscular synapses.Patients with Parkinson disease have decreased dopamine.Which symptoms would be expected in a patient with Parkinson disease?

Accepted Answer

A)  hyperactive voluntary movements
B)  slowed senses
C)  slowed voluntary movements
D)  decreased mental ability and memory loss
E)  excessive sleepingF) A) and B)
G) A) and E)

Question 10

A neuron's resting potential is set by the ATP-potassium pump.

Accepted Answer

A) True 
 B)False

Question 11

Volatile chemical substances that elicit specific responses in other members of the same species are referred to as

Accepted Answer

A)  hormones.
B)  pheromones.
C)  neuroglia.
D)  meninges.
E)  cochleas.F) C) and D)
G) A) and B)

Question 12

A phenomenon in which sensations become less noticeable with prolonged exposure is called

Accepted Answer

A)  gradient adaptation.
B)  an action potential.
C)  a graded potential.
D)  radiating adaptation.
E)  sensory adaptation.F) B) and E)
G) All of the above

Question 13

When you feel the sun on your skin,which is being activated?

Accepted Answer

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

Question 14

Receptors for the special senses are limited to the

Accepted Answer

A)  head.
B)  tongue.
C)  ears.
D)  feet.
E)  abdomen.F) A) and E)
G) A) and D)

Question 15

Bone-conduction aids transmit sound waves directly to the oval window.This would bypass which of the following?

Accepted Answer

A)  the inner ear
B)  the outer ear
C)  the auditory canal
D)  the middle ear
E)  the cochleaF) C) and D)
G) A) and E)

Question 16

Unmyelinated regions are critical parts of synapses.

Accepted Answer

A) True 
 B)False

Question 17

The part of the brain that controls the qualities of what we consider the "mind" is the

Accepted Answer

A)  cerebellum.
B)  hypothalamus.
C)  cerebrum.
D)  medulla oblongata.
E)  pons.F) B) and C)
G) A) and E)

Question 18

If you were studying mutant rabbits which seem unable to sense and move away from a harmful heat source,you would look for a gene coding for what kind of protein?

Accepted Answer

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

Question 19

A pheromone is a volatile chemical substance that elicits a specific response in members of a different species.

Accepted Answer

A) True 
 B)False

Question 20

The myelin sheath around an axon is like the plastic coating that insulates a wire.

Accepted Answer

A) True 
 B)False

Exam 24: The Nervous System and the Senses

Unmyelinated regions are critical parts of synapses.

Correct AnswerverifiedShow Answer

The dendrite is the critical receiving end of a synapse.

Correct AnswerverifiedShow Answer

If you were studying mutant rabbits which seem unable to sense and move away from a harmful heat source,you would look for a gene coding for what kind of protein?

Correct AnswerverifiedShow Answer

The part of the brain that controls the qualities of what we consider the "mind" is the

Correct AnswerverifiedShow Answer

Receptors for the general senses are

Correct AnswerverifiedShow Answer

If a neuron is at rest,the concentration of potassium ions is greatest outside the cell and the concentration of sodium ions is greatest inside the cell.

Correct AnswerverifiedShow Answer

Volatile chemical substances that elicit specific responses in other members of the same species are referred to as

Correct AnswerverifiedShow Answer

Receptors for the special senses are limited to the

Correct AnswerverifiedShow Answer

A phenomenon in which sensations become less noticeable with prolonged exposure is called

Correct AnswerverifiedShow Answer

Bone-conduction aids transmit sound waves directly to the oval window.This would bypass which of the following?

Correct AnswerverifiedShow Answer

The myelin sheath around an axon is like the plastic coating that insulates a wire.

Correct AnswerverifiedShow Answer

What effect would Reminyl have on a neuron's ability to release neurotransmitters?

Correct AnswerverifiedShow Answer

A pheromone is a volatile chemical substance that elicits a specific response in members of a different species.

Correct AnswerverifiedShow Answer

The nervous system controls

Correct AnswerverifiedShow Answer

Dopamine is an inhibitory neurotransmitter released into neuromuscular synapses.Patients with Parkinson disease have decreased dopamine.Which symptoms would be expected in a patient with Parkinson disease?

Correct AnswerverifiedShow Answer

What does the puffer fish neurotoxin tetrodotoxin directly inhibit?

Correct AnswerverifiedShow Answer

A neuron's resting potential is set by the ATP-potassium pump.

Correct AnswerverifiedShow Answer

Multiple sclerosis is an autoimmune disease in which a person raises antibodies against myelin.How would this affect the nervous system?

Correct AnswerverifiedShow Answer

The part of the neuron that is usually highly branched and receives input from other neurons is the

Correct AnswerverifiedShow Answer

When you feel the sun on your skin,which is being activated?

Correct AnswerverifiedShow Answer

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