Question 1

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 B)
G) A) and C)

Question 2

Night blindness would be caused by which of the following?

Accepted Answer

A)  loss of cones
B)  damage to the optic nerve
C)  damage to the retina
D)  loss of rods
E)  damage to the lensF) A) and B)
G) A) and C)

Question 3

Colorblindness would be caused by which of the following?

Accepted Answer

A)  loss of rods
B)  damage to the optic nerve
C)  loss of cones
D)  damage to the retina
E)  damage to the lensF) B) and D)
G) D) and E)

Question 4

The junctions between one neuron and another neuron are called

Accepted Answer

A)  axons.
B)  dendrites.
C)  synapses.
D)  cell bodies.
E)  myelin sheaths.F) A) and B)
G) B) and D)

Question 5

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) B) and C)
E) A) and C)

Question 6

The layered membranes that jacket the central nervous system are the

Accepted Answer

A)  grey matter.
B)  meninges.
C)  white matter.
D)  epidermis.
E)  myelin sheaths.F) B) and E)
G) A) and C)

Question 7

The nervous tissue of the central nervous system that consists of neuron cell bodies and synapses is the

Accepted Answer

A)  white matter.
B)  white reflex.
C)  grey matter.
D)  grey reflex.
E)  red matter.F) A) and C)
G) A) and B)

Question 8

The type of neuron that connects one neuron to another within the central nervous system is the

Accepted Answer

A)  synaptic neuron.
B)  interneuron.
C)  sensory neuron.
D)  motor neuron.
E)  neuroglia.F) C) and D)
G) A) and B)

Question 9

Toxins produced by scorpions cause sodium ion channels to become stuck open.These toxins cause pain by

Accepted Answer

A)  depolarizing motor neurons.
B)  polarizing sensory neurons.
C)  polarizing motor neurons.
D)  polarizing interneurons.
E)  depolarizing sensory neurons.F) D) and E)
G) A) and D)

Question 10

Neurotransmitters released from a "sending" cell must travel across a tiny space called a synaptic cleft.

Accepted Answer

A) True 
 B)False

Question 11

In humans,which of the following type of receptor is used primarily to detect light?

Accepted Answer

A)  photoreceptor
B)  pain receptor
C)  chemoreceptor
D)  mechanoreceptor
E)  thermoreceptorF) A) and D)
G) A) and E)

Question 12

The part of the neuron that is usually a single long extension that conducts an impulse to a muscle or another neuron is the

Accepted Answer

A)  synapse.
B)  cell body.
C)  axon.
D)  dendrite.
E)  myelin sheath.F) A) and E)
G) None of the above

Question 13

Neurons that connect one neuron to another within the central nervous system are the interneurons.

Accepted Answer

A) True 
 B)False  True

Question 14

The diagram shows a(n) ______ in action.

Accepted Answer

A)  muscle
B)  synapse
C)  voluntary movement
D)  involuntary movement
E)  reflexF) A) and C)
G) C) and E)

Question 15

The fluid that cleanses and nourishes the cornea and lens of the eye is

Accepted Answer

A)  the vitreous humor.
B)  tear fluid.
C)  the aqueous humor.
D)  made up of phermones.
E)  cerebrospinal fluid.F) B) and D)
G) B) and E) C

Question 16

A chemical that travels from a sending neuron to a receiving neuron is called a(n)

Accepted Answer

A)  synaptic cleft.
B)  action potential.
C)  hormone.
D)  neurotransmitter.
E)  neurotoxin.F) A) and C)
G) A) and B)

Question 17

If a person has a stroke and their speech becomes impaired,which region of the brain was likely to be affected?

Accepted Answer

A)  parietal lobe
B)  frontal lobe
C)  occipital lobe
D)  temporal lobe
E)  brainstemF) B) and E)
G) A) and C) B

Question 18

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

Accepted Answer

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

Question 19

Why would this lead to paralysis and death?

Accepted Answer

A)  Neurons run out of energy.
B)  Neurons swell because of increased osmosis.
C)  Neurons can't recharge.
D)  Neurons can't fire without a voltage change.
E)  Neurons cannot release neurotransmitters.F) A) and B)
G) C) and D)

Question 20

In humans,taste buds are most highly concentrated on the inside surface of the lips of the mouth.

Accepted Answer

A) True 
 B)False

Exam 24: Nervous System and the Senses

Receptors for the general senses are

Correct AnswerverifiedShow Answer

Night blindness would be caused by which of the following?

Correct AnswerverifiedShow Answer

Colorblindness would be caused by which of the following?

Correct AnswerverifiedShow Answer

The junctions between one neuron and another neuron are called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The layered membranes that jacket the central nervous system are the

Correct AnswerverifiedShow Answer

The nervous tissue of the central nervous system that consists of neuron cell bodies and synapses is the

Correct AnswerverifiedShow Answer

The type of neuron that connects one neuron to another within the central nervous system is the

Correct AnswerverifiedShow Answer

Toxins produced by scorpions cause sodium ion channels to become stuck open.These toxins cause pain by

Correct AnswerverifiedShow Answer

Neurotransmitters released from a "sending" cell must travel across a tiny space called a synaptic cleft.

Correct AnswerverifiedShow Answer

In humans,which of the following type of receptor is used primarily to detect light?

Correct AnswerverifiedShow Answer

The part of the neuron that is usually a single long extension that conducts an impulse to a muscle or another neuron is the

Correct AnswerverifiedShow Answer

Neurons that connect one neuron to another within the central nervous system are the interneurons.

Correct AnswerverifiedTrue

The diagram shows a(n) ______ in action.

Correct AnswerverifiedShow Answer

The fluid that cleanses and nourishes the cornea and lens of the eye is

Correct AnswerverifiedC

A chemical that travels from a sending neuron to a receiving neuron is called a(n)

Correct AnswerverifiedShow Answer

If a person has a stroke and their speech becomes impaired,which region of the brain was likely to be affected?

Correct AnswerverifiedB

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

Correct AnswerverifiedShow Answer

Why would this lead to paralysis and death?

Correct AnswerverifiedShow Answer

In humans,taste buds are most highly concentrated on the inside surface of the lips of the mouth.

Correct AnswerverifiedShow Answer

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True

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C

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B

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