Question 1

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) brainstem 
A) parietal lobe 
B) frontal lobe 
C) occipital lobe 
D) temporal lobe 
E) brainstem B

Question 2

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

Question 3

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

Accepted Answer

A) True 
 B)False  True

Question 4

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

Question 5

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

Question 6

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. 
A) It would decrease. 
B) It would stay the same. 
C) It would increase.

Question 7

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

Question 8

The diagram shows a(n)______ in action.

Accepted Answer

A) muscle 
B) synapse 
C) voluntary movement 
D) involuntary movement 
E) reflex 
A) muscle 
B) synapse 
C) voluntary movement 
D) involuntary movement 
E) reflex

Question 9

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) chemoreceptor 
A) mechanoreceptor 
B) photoreceptor 
C) pain receptor 
D) thermoreceptor 
E) chemoreceptor

Question 10

The junctions between one neuron and another neuron are called

Accepted Answer

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

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

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. 
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.

Question 13

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

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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) thermoreceptor 
A) photoreceptor 
B) pain receptor 
C) chemoreceptor 
D) mechanoreceptor 
E) thermoreceptor

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. 
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.

Question 20

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

Exam 24: Nervous System and the Senses

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

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

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

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

The layered membranes that jacket the central nervous system are the

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

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

The diagram shows a(n)______ in action.

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

The junctions between one neuron and another neuron are called

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

Receptors for the general senses are

Colorblindness would be caused by which of the following?

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

Night blindness would be caused by which of the following?

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

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

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

Why would this lead to paralysis and death?

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

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