Question 1

Which is the correct sequence in the transmission of a simple reflex?

Accepted Answer

A)   sensory neuron, interneuron, sensory neuron
B)   interneuron, motor neuron, sensory neuron
C)   sensory neuron, interneuron, motor neuron
D)   interneuron, sensory neuron, motor neuronE) A) and B)
F) All of the above

Question 2

The resting potential of an axon results from the fact that an axon membrane is

Accepted Answer

A)   encased by a myelin sheath.
B)   selectively permeable.
C)   sensitive to neurotransmitter molecules.
D)   part of a larger neural network.E) All of the above
F) B) and D)

Question 3

Neural stimulation that exceeds a threshold triggers

Accepted Answer

A)   a fight-or-flight response.
B)   a refractory period.
C)   an action potential.
D)   a neural network.E) C) and D)
F) A) and B)

Question 4

Motor neurons transmit signals to

Accepted Answer

A)   glands.
B)   interneurons.
C)   sensory neurons.
D)   all of these parts.E) None of the above
F) C) and D)

Question 5

A brief electrical charge that travels down the axon of a neuron is called the

Accepted Answer

A)   synapse.
B)   agonist.
C)   action potential.
D)   refractory period.E) A) and B)
F) All of the above

Question 6

Although Ron has no genital sensations, he is capable of an erection if his genitals are stimulated. Ron's experience is most indicative of a

Accepted Answer

A)   morphine antagonist.
B)   severed spinal cord.
C)   synaptic gap.
D)   all-or-none response.E) A) and B)
F) C) and D)

Question 7

During a laboratory game, those given a nasal squirt of ________ rather than a placebo were more likely to trust strangers with their money.

Accepted Answer

A)   epinephrine
B)   oxytocin
C)   dopamine
D)   serotoninE) B) and C)
F) A) and D)

Question 8

Information travels through axons that are bundled into the cables that we call

Accepted Answer

A)   interneurons.
B)   action potentials.
C)   nerves.
D)   reflex pathways.E) All of the above
F) B) and C)

Question 9

A strong stimulus can increase the

Accepted Answer

A)   speed of the impulse the neuron fires.
B)   intensity of the impulse the neuron fires.
C)   number of times the neuron fires.
D)   threshold that must be reached before the neuron fires.E) A) and D)
F) A) and C)

Question 10

The ovaries in females and the testes in males are part of the

Accepted Answer

A)   somatic nervous system.
B)   endocrine system.
C)   sympathetic nervous system.
D)   central nervous system.E) A) and D)
F) A) and C)

Question 11

The body's natural production of endorphins is likely to be

Accepted Answer

A)   increased by heroin use and increased by vigorous exercise.
B)   decreased by heroin use and decreased by vigorous exercise.
C)   increased by heroin use and decreased by vigorous exercise.
D)   decreased by heroin use and increased by vigorous exercise.E) C) and D)
F) All of the above

Question 12

Botulin blocks the release of ACH. Botulin is best described as a(n)

Accepted Answer

A)   opiate.
B)   glutimate.
C)   antagonist.
D)   neurotransmitter.E) B) and C)
F) A) and B)

Question 13

Degeneration of the myelin sheath results in

Accepted Answer

A)   reflexes.
B)   multiple sclerosis.
C)   the fight-or-flight response.
D)   an action potential.E) C) and D)
F) All of the above

Question 14

The ancient Greek physician Hippocrates believed that four basic body fluids (blood, black bile, yellow bile, and phlegm) influenced human behavior, emotions, and personality. Use your understanding of the body's rapid and slower chemical communication systems to support or refute the general logic of Hippocrates' theory.

Accepted Answer

The answer of The ancient Greek physician Hippocrates believed that...

Question 15

A neuron is best described as a(n)

Accepted Answer

A)   ion.
B)   cell.
C)   sheath.
D)   molecule.E) B) and C)
F) A) and D)

Question 16

An action potential is generated by the movement of

Accepted Answer

A)   nerves.
B)   hormones.
C)   vesicles.
D)   ions.E) A) and B)
F) B) and D)

Question 17

An accelerated heartbeat is to a slowed heartbeat as the ________ nervous system is to the ________ nervous system.

Accepted Answer

A)   somatic; autonomic
B)   autonomic; somatic
C)   sympathetic; parasympathetic
D)   parasympathetic; sympatheticE) B) and D)
F) None of the above

Question 18

The myelin sheath that is on some neurons

Accepted Answer

A)   increases the speed of neural transmission.
B)   slows neural transmission.
C)   regulates the release of neurotransmitters.
D)   prevents positive ions from passing through the membrane.E) None of the above
F) B) and C)

Question 19

Aaron consistently exhibits a knee-jerk response without having any sensations of the taps on his knees. Aaron's experience is most indicative of

Accepted Answer

A)   a block reuptake.
B)   a severed spinal cord.
C)   an all-or-none response.
D)   an action potential.E) A) and B)
F) B) and D)

Question 20

Although phrenology incorrectly suggested that bumps on the skull revealed a person's character traits, phrenology did succeed in focusing attention on

Accepted Answer

A)   synaptic gaps.
B)   action potentials.
C)   the localization of function.
D)   endorphins.E) All of the above
F) A) and B)

Exam 4: Neural and Hormonal Systems

The ovaries in females and the testes in males are part of the

Correct Answer
verified

Motor neurons transmit signals to

Correct Answer
verified

An action potential is generated by the movement of

Correct Answer
verified

Information travels through axons that are bundled into the cables that we call

Correct Answer
verified

The myelin sheath that is on some neurons

Correct Answer
verified

Neural stimulation that exceeds a threshold triggers

Correct Answer
verified

Botulin blocks the release of ACH. Botulin is best described as a(n)

Correct Answer
verified

Although phrenology incorrectly suggested that bumps on the skull revealed a person's character traits, phrenology did succeed in focusing attention on

Correct Answer
verified

A brief electrical charge that travels down the axon of a neuron is called the

Correct Answer
verified

Correct Answer
verified

During a laboratory game, those given a nasal squirt of ________ rather than a placebo were more likely to trust strangers with their money.

Correct Answer
verified

A strong stimulus can increase the

Correct Answer
verified

Which is the correct sequence in the transmission of a simple reflex?

Correct Answer
verified

Degeneration of the myelin sheath results in

Correct Answer
verified

A neuron is best described as a(n)

Correct Answer
verified

The body's natural production of endorphins is likely to be

Correct Answer
verified

Although Ron has no genital sensations, he is capable of an erection if his genitals are stimulated. Ron's experience is most indicative of a

Correct Answer
verified

Aaron consistently exhibits a knee-jerk response without having any sensations of the taps on his knees. Aaron's experience is most indicative of

Correct Answer
verified

The resting potential of an axon results from the fact that an axon membrane is

Correct Answer
verified

An accelerated heartbeat is to a slowed heartbeat as the nervous system is to the nervous system.

Correct Answer
verified

Exam 4: Neural and Hormonal Systems

The ovaries in females and the testes in males are part of the

Correct AnswerverifiedShow Answer

Motor neurons transmit signals to

Correct AnswerverifiedShow Answer

An action potential is generated by the movement of

Correct AnswerverifiedShow Answer

Information travels through axons that are bundled into the cables that we call

Correct AnswerverifiedShow Answer

The myelin sheath that is on some neurons

Correct AnswerverifiedShow Answer

Neural stimulation that exceeds a threshold triggers

Correct AnswerverifiedShow Answer

Botulin blocks the release of ACH. Botulin is best described as a(n)

Correct AnswerverifiedShow Answer

Although phrenology incorrectly suggested that bumps on the skull revealed a person's character traits, phrenology did succeed in focusing attention on

Correct AnswerverifiedShow Answer

A brief electrical charge that travels down the axon of a neuron is called the

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

During a laboratory game, those given a nasal squirt of ________ rather than a placebo were more likely to trust strangers with their money.

Correct AnswerverifiedShow Answer

A strong stimulus can increase the

Correct AnswerverifiedShow Answer

Which is the correct sequence in the transmission of a simple reflex?

Correct AnswerverifiedShow Answer

Degeneration of the myelin sheath results in

Correct AnswerverifiedShow Answer

A neuron is best described as a(n)

Correct AnswerverifiedShow Answer

The body's natural production of endorphins is likely to be

Correct AnswerverifiedShow Answer

Although Ron has no genital sensations, he is capable of an erection if his genitals are stimulated. Ron's experience is most indicative of a

Correct AnswerverifiedShow Answer

Aaron consistently exhibits a knee-jerk response without having any sensations of the taps on his knees. Aaron's experience is most indicative of

Correct AnswerverifiedShow Answer

The resting potential of an axon results from the fact that an axon membrane is

Correct AnswerverifiedShow Answer

An accelerated heartbeat is to a slowed heartbeat as the ________ nervous system is to the ________ nervous system.

Correct AnswerverifiedShow Answer

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An accelerated heartbeat is to a slowed heartbeat as the nervous system is to the nervous system.

Correct Answer
verified