Question 1

Explain why a blow to the base of the skull,damaging the medulla oblongata,can result in death.

Accepted Answer

The medulla oblongata regulates vital fu...

Question 2

In order for transmission across the synapse to occur,

Accepted Answer

A)  synaptic vesicles fuse with the postsynaptic membrane.
B)  neurotransmitters are released from the postsynaptic membrane.
C)  synaptic vesicles fuse with the presynaptic membrane.
D)  neurotransmitters are actively transported from the presynaptic to the postsynaptic membrane.
E)  the postsynaptic membrane must be in the refractory period.F) A) and B)
G) All of the above

Question 3

Which of the following is NOT true about the autonomic nervous system?

Accepted Answer

A)  It uses two motor neurons and one ganglion for each impulse.
B)  It uses preganglionic and postganglionic axons.
C)  It is a part of the peripheral nervous system.
D)  It functions voluntarily and consciously.
E)  It innervates all internal body organs.F) D) and E)
G) A) and C)

Question 4

Which of the following is not a symptom of addiction to a certain drug?

Accepted Answer

A)  The drug continues to cause physical or psychological changes in your body.
B)  It takes more drug to cause the same changes as before.
C)  You cannot function without having the drug.
D)  You spend more and more time trying to get the drug and/or thinking about using the drug.
E)  You quit eating as long as you can use the drug.F) D) and E)
G) B) and C)

Question 5

Which of the following is NOT true about the myelin sheath?

Accepted Answer

A)  It is composed of layers of cellular membrane,containing myelin around nerve fibers.
B)  It gives nerve fibers their white,glistening appearance.
C)  It provides a pathway for new fiber growth if the axon is severed.
D)  It decreases the speed of nerve impulse conduction.
E)  It is formed from Schwann cells.F) All of the above
G) A) and C)

Question 6

When individuals experience fear and pleasure,what part of the brain has been stimulated?

Accepted Answer

A)  hypothalamus
B)  pons
C)  reticular activating system
D)  limbic system
E)  thalamusF) A) and C)
G) C) and E)

Question 7

One group of neurotransmitters retards heart rate,promotes digestion,contracts the eye pupil,etc.The other group has the opposite effect.These drugs are affecting the

Accepted Answer

A)  motor and sensory nerves.
B)  cerebrum and cerebellum,respectively.
C)  central and peripheral nervous systems.
D)  neurostimulatory and neuroinhibitory synapses.
E)  sympathetic and parasympathetic nervous systems.F) B) and E)
G) C) and D)

Question 8

Which part of a simple reflex takes the message away from the CNS?

Accepted Answer

A)  sensory neuron
B)  receptor
C)  interneuron
D)  motor neuron
E)  effectorF) A) and E)
G) A) and D)

Question 9

Which of the following is a long-term effect of heroin use?

Accepted Answer

A)  The body decreases the production of endorphins.
B)  The body increases the production of endorphins.
C)  a decrease in dopamine production
D)  a release of excess dopamine
E)  All of the answer choices are long-term side effects of heroin use.F) A) and E)
G) C) and D)

Question 10

Which part of the brain is a seahorse-shaped structure deep in the temporal lobe?

Accepted Answer

A)  ganglia
B)  medulla
C)  corpus callosum
D)  hippocampus
E)  occipital areaF) A) and B)
G) A) and C)

Question 11

Why does the primary somatosensory area have a larger section dedicated to the fingers and hand,than to the feet and toes?

Accepted Answer

A)  The fingers and hand are how we take in more sensory information from our surroundings rather than the feet and toes.
B)  The fingers and hand are above the spinal cord termination,while the feet and toes are below it.
C)  The feet and toes require more motor area so they get less somatosensory area.
D)  The feet and toes are not innervated.
E)  The fingers and hand do not have motor area sections,so they are controlled by the somatosensory area.F) A) and D)
G) B) and D)

Question 12

Which of the following is the best description of the cause of multiple sclerosis (MS) ?

Accepted Answer

A)  gradual death of brain cells due to calcium influx
B)  myelin sheath lesions impair normal coordination of impulses
C)  synaptic uptake of dopamine is inhibited
D)  degeneration of dopamine-releasing neurons in the brain
E)  excessive excitatory signals from the motor cortexF) A) and D)
G) A) and C)

Question 13

Which type of memory is associated with specific facts,persons,and events?

Accepted Answer

A)  episodic
B)  skill
C)  semantic
D)  short term
E)  All of the answer choices are associated with specific facts,persons,and events.F) D) and E)
G) C) and D)

Question 14

You spray an insect with common insecticide that destroys the ability of acetylcholinesterase to recycle acetylcholine.What then happens?

Accepted Answer

A)  This kills the neuron directly.
B)  The lack of recycled acetylcholine brings the cell metabolism to a halt.
C)  The insect is unable to move anything because nerve impulses quit flowing.
D)  The insect runs out of acetylcholine and becomes paralyzed.
E)  The insect loses control of body functions as nerve impulses flow continuously.F) A) and B)
G) B) and C)

Question 15

Which of the following is not part of the brain?

Accepted Answer

A)  the cerebrum
B)  the diencephalon
C)  the cerebellum
D)  the brain stem
E)  the meningesF) D) and E)
G) B) and C)

Question 16

Which disease is associated with mild tremors in one or more limbs,abnormally high levels of glutamate in the cerebrospinal fluid,and onset between the ages of 40 and 60?

Accepted Answer

A)  amyotrophic lateral sclerosis
B)  Guillain-Barre syndrome
C)  myasthenia gravis
D)  multiple sclerosis
E)  Parkinson diseaseF) A) and D)
G) B) and D)

Exam 17: Nervous System

Which part of the brain is a seahorse-shaped structure deep in the temporal lobe?

Correct Answer
verified

Explain why a blow to the base of the skull,damaging the medulla oblongata,can result in death.

Correct Answer
verified
The medulla oblongata regulates vital fu...
View Answer

In order for transmission across the synapse to occur,

Correct Answer
verified

You spray an insect with common insecticide that destroys the ability of acetylcholinesterase to recycle acetylcholine.What then happens?

Correct Answer
verified

Which part of a simple reflex takes the message away from the CNS?

Correct Answer
verified

Which of the following is a long-term effect of heroin use?

Correct Answer
verified

Which of the following is not part of the brain?

Correct Answer
verified

Which of the following is not a symptom of addiction to a certain drug?

Correct Answer
verified

Why does the primary somatosensory area have a larger section dedicated to the fingers and hand,than to the feet and toes?

Correct Answer
verified

One group of neurotransmitters retards heart rate,promotes digestion,contracts the eye pupil,etc.The other group has the opposite effect.These drugs are affecting the

Correct Answer
verified

Which of the following is NOT true about the myelin sheath?

Correct Answer
verified

Which disease is associated with mild tremors in one or more limbs,abnormally high levels of glutamate in the cerebrospinal fluid,and onset between the ages of 40 and 60?

Correct Answer
verified

Which of the following is the best description of the cause of multiple sclerosis (MS) ?

Correct Answer
verified

When individuals experience fear and pleasure,what part of the brain has been stimulated?

Correct Answer
verified

Which type of memory is associated with specific facts,persons,and events?

Correct Answer
verified

Which of the following is NOT true about the autonomic nervous system?

Correct Answer
verified

Exam 17: Nervous System

Which part of the brain is a seahorse-shaped structure deep in the temporal lobe?

Correct AnswerverifiedShow Answer

Explain why a blow to the base of the skull,damaging the medulla oblongata,can result in death.

Correct AnswerverifiedThe medulla oblongata regulates vital fu...View AnswerShow Answer

In order for transmission across the synapse to occur,

Correct AnswerverifiedShow Answer

You spray an insect with common insecticide that destroys the ability of acetylcholinesterase to recycle acetylcholine.What then happens?

Correct AnswerverifiedShow Answer

Which part of a simple reflex takes the message away from the CNS?

Correct AnswerverifiedShow Answer

Which of the following is a long-term effect of heroin use?

Correct AnswerverifiedShow Answer

Which of the following is not part of the brain?

Correct AnswerverifiedShow Answer

Which of the following is not a symptom of addiction to a certain drug?

Correct AnswerverifiedShow Answer

Why does the primary somatosensory area have a larger section dedicated to the fingers and hand,than to the feet and toes?

Correct AnswerverifiedShow Answer

One group of neurotransmitters retards heart rate,promotes digestion,contracts the eye pupil,etc.The other group has the opposite effect.These drugs are affecting the

Correct AnswerverifiedShow Answer

Which of the following is NOT true about the myelin sheath?

Correct AnswerverifiedShow Answer

Which disease is associated with mild tremors in one or more limbs,abnormally high levels of glutamate in the cerebrospinal fluid,and onset between the ages of 40 and 60?

Correct AnswerverifiedShow Answer

Which of the following is the best description of the cause of multiple sclerosis (MS) ?

Correct AnswerverifiedShow Answer

When individuals experience fear and pleasure,what part of the brain has been stimulated?

Correct AnswerverifiedShow Answer

Which type of memory is associated with specific facts,persons,and events?

Correct AnswerverifiedShow Answer

Which of the following is NOT true about the autonomic nervous system?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
The medulla oblongata regulates vital fu...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified