Question 1

The three major components 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)  None of the answer choices is correct. 
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)  None of the answer choices is correct.

Question 2

In humans,if you wanted to eliminate the ability to smell dung,which type of receptor should be changed?

Accepted Answer

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

Question 3

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 4

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

Accepted Answer

A)  epilepsy. 
B)  insomnia. 
C)  Parkinson disease. 
D)  Huntington disease. 
E)  Alzheimer disease. 
A)  epilepsy. 
B)  insomnia. 
C)  Parkinson disease. 
D)  Huntington disease. 
E)  Alzheimer disease.

Question 5

During an action potential,sodium ions enter the cell.

Accepted Answer

A) True 
 B)False

Question 6

A threshold potential is like a tipping point past which an action potential starts.

Accepted Answer

A) True 
 B)False

Question 7

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

Question 8

The reason that we can tell light from sound is because different neurons transmit these different stimuli.

Accepted Answer

A) True 
 B)False

Question 9

The nerve that conducts impulses to the area of the brain that determines sound is the

Accepted Answer

A)  olfactory nerve. 
B)  auditory nerve. 
C)  optic nerve. 
D)  retinal nerve. 
E)  pons. 
A)  olfactory nerve. 
B)  auditory nerve. 
C)  optic nerve. 
D)  retinal nerve. 
E)  pons.

Question 10

In the "Investigating Life" section at the end of the chapter,grasshopper mice have fewer action potentials when bitten by scorpions.

Accepted Answer

A) True 
 B)False

Question 11

Grasshopper mice are resistant to exhibiting pain from scorpion stings.This is due to the scorpion venom ________ the action potential in the pain receptors.

Accepted Answer

A)  activating 
B)  inhibiting 
C)  reestablishing 
D)  speeding up 
E)  slowing down 
A)  activating 
B)  inhibiting 
C)  reestablishing 
D)  speeding up 
E)  slowing down

Question 12

An action potential is generated when the general senses detect

Accepted Answer

A)  warm bath water. 
B)  a cold pool. 
C)  a kiss. 
D)  a cut or scrape. 
E)  All of the answer choices are correct. 
A)  warm bath water. 
B)  a cold pool. 
C)  a kiss. 
D)  a cut or scrape. 
E)  All of the answer choices are correct.

Question 13

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 14

The condition that develops when there is excess GABA leading to excess dopamine and norepinephrine in the brain is

Accepted Answer

A)  insomnia. 
B)  epilepsy. 
C)  Alzheimer disease. 
D)  Parkinson disease. 
E)  Huntington disease. 
A)  insomnia. 
B)  epilepsy. 
C)  Alzheimer disease. 
D)  Parkinson disease. 
E)  Huntington disease.

Question 15

Dopamine is an inhibitory neurotransmitter released into neuromuscular synapses.Patients with Parkinson disease have decreased dopamine and therefore will exhibit

Accepted Answer

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

Question 16

If asked to point to the place on a model of the brain where essential functions such as breathing,blood pressure,heart rate,and swallowing are regulated,you would point to the

Accepted Answer

A)  cerebellum. 
B)  thalamus. 
C)  medulla oblongata. 
D)  pons. 
E)  cerebrum. 
A)  cerebellum. 
B)  thalamus. 
C)  medulla oblongata. 
D)  pons. 
E)  cerebrum.

Question 17

-Multiple sclerosis is an autoimmune disease in which a person produces 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. 
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.

Question 18

The sodium-potassium pump moves sodium ions into the neuron and potassium ions out of the neuron.

Accepted Answer

A) True 
 B)False

Question 19

The dendrite is the receiving end of a synapse.

Accepted Answer

A) True 
 B)False

Question 20

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

Exam 24: The Nervous System and the Senses

The three major components of the human nervous system are

In humans,if you wanted to eliminate the ability to smell dung,which type of receptor should be changed?

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

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

During an action potential,sodium ions enter the cell.

A threshold potential is like a tipping point past which an action potential starts.

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

The reason that we can tell light from sound is because different neurons transmit these different stimuli.

The nerve that conducts impulses to the area of the brain that determines sound is the

In the "Investigating Life" section at the end of the chapter,grasshopper mice have fewer action potentials when bitten by scorpions.

Grasshopper mice are resistant to exhibiting pain from scorpion stings.This is due to the scorpion venom ________ the action potential in the pain receptors.

An action potential is generated when the general senses detect

Receptors for the general senses are

The condition that develops when there is excess GABA leading to excess dopamine and norepinephrine in the brain is

Dopamine is an inhibitory neurotransmitter released into neuromuscular synapses.Patients with Parkinson disease have decreased dopamine and therefore will exhibit

If asked to point to the place on a model of the brain where essential functions such as breathing,blood pressure,heart rate,and swallowing are regulated,you would point to the

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

The sodium-potassium pump moves sodium ions into the neuron and potassium ions out of the neuron.

The dendrite is the receiving end of a synapse.

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?

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