Question 1

The membrane-bound enzyme system that restores and maintains the resting membrane potential is which of the following pumps?

Accepted Answer

A)  sodium-phosphorus 
B)  sodium-potassium 
C)  sodium-chlorine 
D)  phosphorus-calcium 
E)  phosphorus-chlorine 
A)  sodium-phosphorus 
B)  sodium-potassium 
C)  sodium-chlorine 
D)  phosphorus-calcium 
E)  phosphorus-chlorine

Question 2

Which two of the following are both inflammatory diseases of the nervous system?

Accepted Answer

A)  epilepsy and concussion 
B)  multiple sclerosis and meningitis 
C)  meningitis and encephalitis 
D)  Alzheimer's and encephalitis 
E)  Parkinson's and Alzheimer's 
A)  epilepsy and concussion 
B)  multiple sclerosis and meningitis 
C)  meningitis and encephalitis 
D)  Alzheimer's and encephalitis 
E)  Parkinson's and Alzheimer's

Question 3

Synaptic integration means

Accepted Answer

A)  all positive or excitatory stimuli are added together. 
B)  the positive and negative ions neutralize each other. 
C)  excitatory and inhibitory signals are combined in a neuron. 
D)  the adjacent neurons interact so that excitatory and inhibitory stimuli cancel each other out. 
E)  that an interneuron is involved. 
A)  all positive or excitatory stimuli are added together. 
B)  the positive and negative ions neutralize each other. 
C)  excitatory and inhibitory signals are combined in a neuron. 
D)  the adjacent neurons interact so that excitatory and inhibitory stimuli cancel each other out. 
E)  that an interneuron is involved.

Question 4

When an impulse passes from one neuron to the next, it

Accepted Answer

A)  is passed directly from dendrite to axon. 
B)  passes from axon to cell body to dendrite. 
C)  can bypass the cell bodies of both axon and dendrite. 
D)  passes from axon to dendrite. 
E)  undergoes repolarization. 
A)  is passed directly from dendrite to axon. 
B)  passes from axon to cell body to dendrite. 
C)  can bypass the cell bodies of both axon and dendrite. 
D)  passes from axon to dendrite. 
E)  undergoes repolarization.

Question 5

In the knee-jerk reflex arc, the synapse between a sensory neuron and a motor neuron occurs where?

Accepted Answer

A)  in the brain 
B)  between the receptor and the spinal cord 
C)  within the muscle of the leg 
D)  within the spinal cord 
E)  in the nerve leading to the spinal cord 
A)  in the brain 
B)  between the receptor and the spinal cord 
C)  within the muscle of the leg 
D)  within the spinal cord 
E)  in the nerve leading to the spinal cord

Question 6

Disturbances in sensory neurons will result in an action potential if the

Accepted Answer

A)  stimulus is graded. 
B)  stimulus remains local. 
C)  graded stimulus reaches a trigger zone. 
D)  localized stimuli do not spread far. 
E)  stimuli become downgraded to localized ones. 
A)  stimulus is graded. 
B)  stimulus remains local. 
C)  graded stimulus reaches a trigger zone. 
D)  localized stimuli do not spread far. 
E)  stimuli become downgraded to localized ones.

Question 7

An EEG is

Accepted Answer

A)  a graph showing brainwave patterns. 
B)  an oscilloscope pattern showing an action potential of a nerve. 
C)  an oscilloscope pattern showing a muscle undergoing contraction. 
D)  a graphic representation of the function of a heart. 
E)  a state of sleep when dreaming occurs. 
A)  a graph showing brainwave patterns. 
B)  an oscilloscope pattern showing an action potential of a nerve. 
C)  an oscilloscope pattern showing a muscle undergoing contraction. 
D)  a graphic representation of the function of a heart. 
E)  a state of sleep when dreaming occurs.

Question 8

The neurotransmitter serotonin performs all of the following functions EXCEPT

Accepted Answer

A)  helps control sleep 
B)  is involved with sensory perception 
C)  regulates body temperature 
D)  helps control emotional states 
E)  speed up heart rate 
A)  helps control sleep 
B)  is involved with sensory perception 
C)  regulates body temperature 
D)  helps control emotional states 
E)  speed up heart rate

Question 9

Which statement is false?

Accepted Answer

A)  A nerve will not fire unless a stimulus exceeds the threshold. 
B)  An action potential is an all-or-nothing event. 
C)  An action potential continues indefinitely until a quenching signal is released. 
D)  An action potential is self-propagating. 
E)  An action potential transmission depends on activities at the membrane. 
A)  A nerve will not fire unless a stimulus exceeds the threshold. 
B)  An action potential is an all-or-nothing event. 
C)  An action potential continues indefinitely until a quenching signal is released. 
D)  An action potential is self-propagating. 
E)  An action potential transmission depends on activities at the membrane.

Question 10

Cerebrospinal fluid is secreted from

Accepted Answer

A)  capillaries inside ventricles in the brain. 
B)  the spinal cord. 
C)  the cerebellum. 
D)  the medulla oblongata. 
E)  the pons. 
A)  capillaries inside ventricles in the brain. 
B)  the spinal cord. 
C)  the cerebellum. 
D)  the medulla oblongata. 
E)  the pons.

Question 11

Persistent developmental disorders include

Accepted Answer

A)  Alzheimer's disease. 
B)  Parkinson's disease. 
C)  Multiple sclerosis. 
D)  autism. 
E)  Creuzfeldt-Jakob disease 
A)  Alzheimer's disease. 
B)  Parkinson's disease. 
C)  Multiple sclerosis. 
D)  autism. 
E)  Creuzfeldt-Jakob disease

Question 12

Practicing specific motor activities is termed

Accepted Answer

A)  intuitive memory. 
B)  declarative memory. 
C)  deductive memory. 
D)  inductive memory. 
E)  skill memory. 
A)  intuitive memory. 
B)  declarative memory. 
C)  deductive memory. 
D)  inductive memory. 
E)  skill memory.

Question 13

In the central nervous system, nerves are called

Accepted Answer

A)  reflex arcs. 
B)  nerve tracts. 
C)  nerve pathways. 
D)  neurofibers. 
E)  monosynaptic paths. 
A)  reflex arcs. 
B)  nerve tracts. 
C)  nerve pathways. 
D)  neurofibers. 
E)  monosynaptic paths.

Question 14

Match between columns
                        Premises: autonomic nervous system
blood-brain barrier
hypothalamus
white matter
cerebellum
medulla oblongata
transmitter substances
limbic system
midbrain
peripheral nervous system
reticular activating system
ganglion

Accepted Answer

The Answer of all parts of nerve cells outside the is...

Question 15

Amphetamines make persons who use them feel

Accepted Answer

A)  very drowsy. 
B)  somewhat relaxed. 
C)  sedated. 
D)  more alert. 
E)  delirious. 
A)  very drowsy. 
B)  somewhat relaxed. 
C)  sedated. 
D)  more alert. 
E)  delirious.

Question 16

Transmitter substances

Accepted Answer

A)  are expelled from the presynaptic cells. 
B)  tend to destroy acetylcholine. 
C)  enter the presynaptic cell to continue the passage of the impulse. 
D)  interact with membrane receptors of the postsynaptic cells. 
E)  are expelled from the presynaptic cells and interact with membrane receptors of the postsynaptic cells. 
A)  are expelled from the presynaptic cells. 
B)  tend to destroy acetylcholine. 
C)  enter the presynaptic cell to continue the passage of the impulse. 
D)  interact with membrane receptors of the postsynaptic cells. 
E)  are expelled from the presynaptic cells and interact with membrane receptors of the postsynaptic cells.

Question 17

Which of the following is the first response a neuron makes to a stimulus?

Accepted Answer

A)  Sodium ions enter the cell. 
B)  Sodium ions leave the cell. 
C)  Potassium ions enter the cell. 
D)  Potassium ions leave the cell. 
E)  Calcium ions leave the cell. 
A)  Sodium ions enter the cell. 
B)  Sodium ions leave the cell. 
C)  Potassium ions enter the cell. 
D)  Potassium ions leave the cell. 
E)  Calcium ions leave the cell.

Question 18

Alcohol acts predominantly as a(n)

Accepted Answer

A)  stimulant. 
B)  analgesic. 
C)  hallucinogen. 
D)  depressant. 
E)  anesthetic. 
A)  stimulant. 
B)  analgesic. 
C)  hallucinogen. 
D)  depressant. 
E)  anesthetic.

Question 19

Which of the following is NOT true concerning sensory neurons?

Accepted Answer

A)  They collect information about stimuli. 
B)  They lie in the pathway between the interneurons and motor neurons. 
C)  They relay information to the spinal cord. 
D)  They relay information to the brain. 
E)  They are one of three types of neurons. 
A)  They collect information about stimuli. 
B)  They lie in the pathway between the interneurons and motor neurons. 
C)  They relay information to the spinal cord. 
D)  They relay information to the brain. 
E)  They are one of three types of neurons.

Question 20

Activation of the sympathetic nervous system

Accepted Answer

A)  speeds up heart beat and respiratory rate. 
B)  increases the flow of watery saliva. 
C)  stimulates peristaltic contractions of the intestinal system. 
D)  slows heartbeat and lowers blood pressure. 
E)  allows the body to relax rather than prepare for fight or flight. 
A)  speeds up heart beat and respiratory rate. 
B)  increases the flow of watery saliva. 
C)  stimulates peristaltic contractions of the intestinal system. 
D)  slows heartbeat and lowers blood pressure. 
E)  allows the body to relax rather than prepare for fight or flight.

Exam 13: The Nervous System

The membrane-bound enzyme system that restores and maintains the resting membrane potential is which of the following pumps?

Which two of the following are both inflammatory diseases of the nervous system?

Synaptic integration means

When an impulse passes from one neuron to the next, it

In the knee-jerk reflex arc, the synapse between a sensory neuron and a motor neuron occurs where?

Disturbances in sensory neurons will result in an action potential if the

An EEG is

The neurotransmitter serotonin performs all of the following functions EXCEPT

Which statement is false?

Cerebrospinal fluid is secreted from

Persistent developmental disorders include

Practicing specific motor activities is termed

In the central nervous system, nerves are called

Amphetamines make persons who use them feel

Transmitter substances

Which of the following is the first response a neuron makes to a stimulus?

Alcohol acts predominantly as a(n)

Which of the following is NOT true concerning sensory neurons?

Activation of the sympathetic nervous system

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

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Circulation: the Heart and Blood Vessels

Blood

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The Respiratory System

Digestion and Nutrition

The Urinary System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA, Genes, and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

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