Question 1

Some memories are emotionally charged because the amygdala triggers associations between fear and sensory information.

Accepted Answer

A) True 
 B)False

Question 2

Identify what happens when the doctor hits your knee cap with the rubber hammer during your annual physical.

Accepted Answer

A)  The stimulus travels down the axon of your sensory neuron,through the dorsal root ganglion,is transmitted through the dendrites of the sensory neuron to the interneuron.From here it enters the cell body of the motor neuron and travels down the ventral root axon of the motor neuron to stimulate the effector.
B)  The stimulus travels down the axon of your sensory neuron,through the ventral root ganglion,is transmitted through the dendrites of the sensory neuron to the interneuron.From here it enters the cell body of the motor neuron and travels down the dorsal root axon of the motor neuron to stimulate the effector.
C)  The stimulus travels down the axon of your motor neuron,through the dorsal root ganglion,is transmitted through the dendrites of the sensory neuron to the interneuron.From here it enters the cell body of the motor neuron and travels down the ventral root axon of the sensory neuron to stimulate the effector.
D)  The stimulus travels down the axon of your sensory neuron,through the dorsal root ganglion,is transmitted through the dendrites of the sensory neuron to the interneuron.From here it enters the cell body of the motor neuron and travels down the ventral root axon of the motor neuron to stimulate the receptor.
E)  The stimulus travels down the dendrite of your sensory neuron,through the dorsal root ganglion,is transmitted through the axons of the sensory neuron to the interneuron.From here it enters the cell body of the motor neuron and travels down the ventral root axon of the motor neuron to stimulate the effector.F) D) and E)
G) B) and E)

Question 3

The enzyme that breaks down acetylcholine within the synaptic cleft is

Accepted Answer

A)  acetylcholinesterase.
B)  monoamine oxidase.
C)  GABA.
D)  lipase.
E)  maltase.F) B) and E)
G) A) and E)

Question 4

Which of the following features is NOT associated with Alzheimer's disease?

Accepted Answer

A)  A loss of reasoning and memory.
B)  Plaques accumulate along the axons of the neurons in the brain.
C)  Neurofibrillary tangles surround the nucleus of the neural cells.
D)  The most common cause of dementia in older adults.
E)  All of these are features of Alzheimer's disease.F) A) and E)
G) C) and D)

Question 5

At rest,the inside of the neuron is

Accepted Answer

A)  negatively charged.
B)  positively charged.
C)  neutral,or equal to the exterior charge.
D)  None of the choices are correct,since neurons are never at rest.E) A) and D)
F) B) and D)

Question 6

Which statement is NOT true about the cells of the nervous system?

Accepted Answer

A)  A neuron can have only one axon.
B)  A neuroglial cell supports or protects a neuron.
C)  There may be multiple dendrites on a single neuron.
D)  A myelin sheath is a white insulating layer that covers many axons.
E)  A dendrite is the part of the neuron that carries an electrical impulse away from the cell body.F) A) and B)
G) C) and D)

Question 7

Information gathering from the environment by a vertebrate is aided by which of the following?

Accepted Answer

A)  paired eyes,ears,and olfactory structures
B)  cephalization
C)  bilateral symmetry with a vast increase in the number of neurons
D)  All of the choices are information gathering aids.E) C) and D)
F) None of the above

Question 8

Which part of the brain contains centers for the heartbeat and respiration?

Accepted Answer

A)  medulla oblongata
B)  hypothalamus
C)  cerebellum
D)  cerebrum
E)  ponsF) C) and D)
G) A) and C)

Question 9

Examine the picture to answer the following questions and identify the labeled structures.  A: ________
B: ________
C: ________
D: ________
E: ________
F: ________
G: ________
H: Is the neuron pictured a sensory,association or motor neuron? What is its function?
I: Is the neuron multipolar or unipolar? Explain your answer.

Accepted Answer

A: cell body B: dendrite C: myelin sheat...

Question 10

The functional units of the nervous system are

Accepted Answer

A)  neuromodulators.
B)  nerve nets.
C)  neuroglia.
D)  neurons.E) A) and D)
F) A) and C)

Question 11

An animal with a brain and a single ventral solid nerve cord is the

Accepted Answer

A)  earthworm.
B)  cat.
C)  hydra.
D)  octopus.
E)  planarian.F) A) and E)
G) A) and D)

Question 12

The spinal cord allows for reflex actions to be relayed from the stimulus to the brain along the tracts of unmyelinated white matter.

Accepted Answer

A) True 
 B)False

Question 13

In humans,the central nervous system consists of the ________,which is housed in the ________ and the ________,which is housed in the ________.

Accepted Answer

A)  peripheral nervous system; limbs; brain; skull
B)  brain; skull; spinal cord; vertebral column
C)  spinal cord; vertebral column; sensory neurons; limbs
D)  brain; vertebral column; spinal cord; skullE) B) and C)
F) A) and B)

Question 14

The peripheral nervous system consists of

Accepted Answer

A)  nerves in the entire nervous system.
B)  ganglia.
C)  nerves and ganglia that lie outside the CNS.
D)  the brain and spinal cord.
E)  the brain,spinal cord,and nerves.F) All of the above
G) A) and C)

Question 15

What happens if an insect is sprayed with a common insecticide that destroys the ability of acetylcholinesterase to recycle acetylcholine?

Accepted Answer

A)  The lack of recycled acetylcholine brings cell metabolism to a halt.
B)  The insect loses control of body functions as nerve impulses flow continuously.
C)  This prevents the synapse from restoring its ability to "reset" itself for the next impulse.
D)  All of the above are correct.
E)  The synapse is prevented from restoring its ability to "reset" itself for the next impulse and the insect loses control of body functions as nerve impulses flow continuously.F) A) and C)
G) All of the above

Exam 37: Neurons and Nervous Systems

The enzyme that breaks down acetylcholine within the synaptic cleft is

Correct Answer
verified

The spinal cord allows for reflex actions to be relayed from the stimulus to the brain along the tracts of unmyelinated white matter.

Correct Answer
verified

Which part of the brain contains centers for the heartbeat and respiration?

Correct Answer
verified

Information gathering from the environment by a vertebrate is aided by which of the following?

Correct Answer
verified

The peripheral nervous system consists of

Correct Answer
verified

Which statement is NOT true about the cells of the nervous system?

Correct Answer
verified

Identify what happens when the doctor hits your knee cap with the rubber hammer during your annual physical.

Correct Answer
verified

In humans,the central nervous system consists of the ,which is housed in the and the ,which is housed in the .

Correct Answer
verified

An animal with a brain and a single ventral solid nerve cord is the

Correct Answer
verified

What happens if an insect is sprayed with a common insecticide that destroys the ability of acetylcholinesterase to recycle acetylcholine?

Correct Answer
verified

Which of the following features is NOT associated with Alzheimer's disease?

Correct Answer
verified

Some memories are emotionally charged because the amygdala triggers associations between fear and sensory information.

Correct Answer
verified

The functional units of the nervous system are

Correct Answer
verified

Examine the picture to answer the following questions and identify the labeled structures. A: B: C: D: E: F: G: H: Is the neuron pictured a sensory,association or motor neuron? What is its function? I: Is the neuron multipolar or unipolar? Explain your answer.

Correct Answer
verified
A: cell body B: dendrite C: myelin sheat...
View Answer

At rest,the inside of the neuron is

Correct Answer
verified

Exam 37: Neurons and Nervous Systems

The enzyme that breaks down acetylcholine within the synaptic cleft is

Correct AnswerverifiedShow Answer

The spinal cord allows for reflex actions to be relayed from the stimulus to the brain along the tracts of unmyelinated white matter.

Correct AnswerverifiedShow Answer

Which part of the brain contains centers for the heartbeat and respiration?

Correct AnswerverifiedShow Answer

Information gathering from the environment by a vertebrate is aided by which of the following?

Correct AnswerverifiedShow Answer

The peripheral nervous system consists of

Correct AnswerverifiedShow Answer

Which statement is NOT true about the cells of the nervous system?

Correct AnswerverifiedShow Answer

Identify what happens when the doctor hits your knee cap with the rubber hammer during your annual physical.

Correct AnswerverifiedShow Answer

In humans,the central nervous system consists of the ________,which is housed in the ________ and the ________,which is housed in the ________.

Correct AnswerverifiedShow Answer

An animal with a brain and a single ventral solid nerve cord is the

Correct AnswerverifiedShow Answer

What happens if an insect is sprayed with a common insecticide that destroys the ability of acetylcholinesterase to recycle acetylcholine?

Correct AnswerverifiedShow Answer

Which of the following features is NOT associated with Alzheimer's disease?

Correct AnswerverifiedShow Answer

Some memories are emotionally charged because the amygdala triggers associations between fear and sensory information.

Correct AnswerverifiedShow Answer

The functional units of the nervous system are

Correct AnswerverifiedShow Answer

Correct AnswerverifiedA: cell body B: dendrite C: myelin sheat...View AnswerShow Answer

At rest,the inside of the neuron is

Correct AnswerverifiedShow Answer

Correct Answer
verified

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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In humans,the central nervous system consists of the ,which is housed in the and the ,which is housed in the .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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A: cell body B: dendrite C: myelin sheat...
View Answer

Correct Answer
verified