Question 1

The autonomic nervous system regulates the activity of all of the following except

Accepted Answer

A) skeletal muscles. 
B) cardiac muscles. 
C) glands of the body. 
D) smooth muscles. 
E) none of these 
A) skeletal muscles. 
B) cardiac muscles. 
C) glands of the body. 
D) smooth muscles. 
E) none of these

Question 2

The site of primary sensory integration in the brain is called the

Accepted Answer

A) medulla oblongatA. 
B) cerebrum. 
C) cerebellum. 
D) thalamus. 
E) corpus callosum. 
A) medulla oblongatA. 
B) cerebrum. 
C) cerebellum. 
D) thalamus. 
E) corpus callosum.

Question 3

Which of the following is not part of the peripheral nervous system?

Accepted Answer

A) sympathetic division of the autonomic nervous system 
B) spinal cord 
C) parasympathetic division of the autonomic nervous system 
D) somatic nervous system 
E) sensory pathways 
A) sympathetic division of the autonomic nervous system 
B) spinal cord 
C) parasympathetic division of the autonomic nervous system 
D) somatic nervous system 
E) sensory pathways

Question 4

Nerve impulses are electrical signals produced by which of the following?

Accepted Answer

A) nodes of Ranvier 
B) lipid sheath of Schwann cell 
C) plasma membrane of neuron 
D) synapse 
E) neuromuscular junction 
A) nodes of Ranvier 
B) lipid sheath of Schwann cell 
C) plasma membrane of neuron 
D) synapse 
E) neuromuscular junction

Question 5

A(n)_______________ diffuses across a narrow synaptic cleft between the presynaptic axon and the postsynaptic cell to transmit a nerve impulse.

Accepted Answer

A) neurotransmitter 
B) electrical impulse 
C) Na+ ion 
D) vesicle 
E) action potential 
A) neurotransmitter 
B) electrical impulse 
C) Na+ ion 
D) vesicle 
E) action potential

Question 6

The junction between a neuron and another neuronal cell,muscle cell,or with a gland cell is called a(n)

Accepted Answer

A) axon. 
B) cell body. 
C) dendrite. 
D) neuronal gap. 
E) synapsE. 
A) axon. 
B) cell body. 
C) dendrite. 
D) neuronal gap. 
E) synapsE.

Question 7

Contemporary vertebrate brains are composed of

Accepted Answer

A) rhombencephalon and prosencephalon. 
B) mesencephalon and rhombencephalon. 
C) prosencephalon and metencephalon. 
D) metencephalon,rhombencephalon,and prosencephalon. 
E) rhombencephalon,mesencephalon,and prosencephalon. 
A) rhombencephalon and prosencephalon. 
B) mesencephalon and rhombencephalon. 
C) prosencephalon and metencephalon. 
D) metencephalon,rhombencephalon,and prosencephalon. 
E) rhombencephalon,mesencephalon,and prosencephalon.

Question 8

During the resting membrane potential,when combining concentration and electrical gradients of K+,the overall effect is for K+ to ___________ the cell.

Accepted Answer

A) move into 
B) leak out of 
C) stay in equilibrium on both sides of 
D) diffuse around inside of 
A) move into 
B) leak out of 
C) stay in equilibrium on both sides of 
D) diffuse around inside of

Question 9

In a typical cell,which of the following has the highest leakage?

Accepted Answer

A) Na+ leaks into the cell. 
B) Na+ leaks out of the cell. 
C) K+ leaks into the cell. 
D) K+ leaks out of the cell. 
E) Cl- leaks into the cell. 
A) Na+ leaks into the cell. 
B) Na+ leaks out of the cell. 
C) K+ leaks into the cell. 
D) K+ leaks out of the cell. 
E) Cl- leaks into the cell.

Question 10

In the brain,the _______ receive(s)sensory information from ascending nerve tracts and motor commands from the cerebral cortex and cerebellum.

Accepted Answer

A) basal ganglia 
B) pituitary gland 
C) parietal lobe 
D) thalamus 
E) medula oblongata 
A) basal ganglia 
B) pituitary gland 
C) parietal lobe 
D) thalamus 
E) medula oblongata

Question 11

In vertebrates more advanced than the fishes,the processing of information is increasingly centered in the

Accepted Answer

A) thalamus. 
B) forebrain. 
C) midbrain. 
D) hindbrain. 
E) medulla oblongata. 
A) thalamus. 
B) forebrain. 
C) midbrain. 
D) hindbrain. 
E) medulla oblongata.

Question 12

__________ neural excitations are the electrical forms in which short-term memories are stored.

Accepted Answer

A) Peripheral 
B) Sympathetic 
C) Transient 
D) Autonomic 
E) Limbic 
A) Peripheral 
B) Sympathetic 
C) Transient 
D) Autonomic 
E) Limbic

Question 13

-In the diagram,which arrow best represents the point in time where the permeability of the axon to sodium is the highest?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 14

Correlation,association,and learning occur in the

Accepted Answer

A) cerebellum. 
B) corpus striatum. 
C) medulla. 
D) cerebrum. 
E) pons. 
A) cerebellum. 
B) corpus striatum. 
C) medulla. 
D) cerebrum. 
E) pons.

Question 15

The cytoplasmic extensions of a neuron are called

Accepted Answer

A) axons. 
B) cell bodies. 
C) dendrites. 
D) neurons. 
E) synapses. 
A) axons. 
B) cell bodies. 
C) dendrites. 
D) neurons. 
E) synapses.

Question 16

Acetylcholine stimulates the opening of chemically-regulated ion channels,causing a depolarization called a(n)

Accepted Answer

A) neuromuscular junction. 
B) temporal summation. 
C) inhibitory postsynaptic potential (IPSP). 
D) excitatory postsynaptic potential (EPSP). 
E) synaptic integration. 
A) neuromuscular junction. 
B) temporal summation. 
C) inhibitory postsynaptic potential (IPSP). 
D) excitatory postsynaptic potential (EPSP). 
E) synaptic integration.

Question 17

Biogenic amines include

Accepted Answer

A) epinephrine and norepinephrine. 
B) dopamine and serotonin. 
C) glycine and GABA. 
D) epinephrine,norepinephrine,dopamine,serotonin,glycine,and GABA. 
E) epinephrine,norepinephrine,dopamine,and serotonin. 
A) epinephrine and norepinephrine. 
B) dopamine and serotonin. 
C) glycine and GABA. 
D) epinephrine,norepinephrine,dopamine,serotonin,glycine,and GABA. 
E) epinephrine,norepinephrine,dopamine,and serotonin.

Question 18

Action potentials are regenerated along an axon as one action potential serves as the

Accepted Answer

A) action potential stimulus for the next action potential. 
B) excitatory postsynaptic potential stimulus for the next action potential. 
C) saltatory conduction stimulus for the next action potential. 
D) monosynaptic reflex stimulus for the next action potential. 
E) depolarization stimulus for the next action potential. 
A) action potential stimulus for the next action potential. 
B) excitatory postsynaptic potential stimulus for the next action potential. 
C) saltatory conduction stimulus for the next action potential. 
D) monosynaptic reflex stimulus for the next action potential. 
E) depolarization stimulus for the next action potential.

Question 19

The white matter of CNS is formed by

Accepted Answer

A) myelinated axons. 
B) unmyelinated dendrites. 
C) cell bodies. 
D) unmylenated dendrites and cell bodies. 
E) mylenated axons and cell bodies. 
A) myelinated axons. 
B) unmyelinated dendrites. 
C) cell bodies. 
D) unmylenated dendrites and cell bodies. 
E) mylenated axons and cell bodies.

Question 20

-In the diagram,which arrow best represents the point in time where the voltage-gated sodium channels are inactivated?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Exam 44: The Nervous System

The autonomic nervous system regulates the activity of all of the following except

The site of primary sensory integration in the brain is called the

Which of the following is not part of the peripheral nervous system?

Nerve impulses are electrical signals produced by which of the following?

A(n)_______________ diffuses across a narrow synaptic cleft between the presynaptic axon and the postsynaptic cell to transmit a nerve impulse.

The junction between a neuron and another neuronal cell,muscle cell,or with a gland cell is called a(n)

Contemporary vertebrate brains are composed of

During the resting membrane potential,when combining concentration and electrical gradients of K+,the overall effect is for K+ to ___________ the cell.

In a typical cell,which of the following has the highest leakage?

In the brain,the _______ receive(s)sensory information from ascending nerve tracts and motor commands from the cerebral cortex and cerebellum.

In vertebrates more advanced than the fishes,the processing of information is increasingly centered in the

__________ neural excitations are the electrical forms in which short-term memories are stored.

-In the diagram,which arrow best represents the point in time where the permeability of the axon to sodium is the highest?

Correlation,association,and learning occur in the

The cytoplasmic extensions of a neuron are called

Acetylcholine stimulates the opening of chemically-regulated ion channels,causing a depolarization called a(n)

Biogenic amines include

Action potentials are regenerated along an axon as one action potential serves as the

The white matter of CNS is formed by

-In the diagram,which arrow best represents the point in time where the voltage-gated sodium channels are inactivated?

The Science of Biology

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During the resting membrane potential,when combining concentration and electrical gradients of K⁺,the overall effect is for K⁺ to ___________ the cell.