Question 1

Somatic motor neurons innervate involuntary effectors.

Accepted Answer

A) True 
 B)False

Question 2

Retrograde transport

Accepted Answer

A) moves toward the cell body. 
B) moves membranes,vesicles,and viruses. 
C) uses molecular motor proteins of dynein. 
D) All apply. 
A) moves toward the cell body. 
B) moves membranes,vesicles,and viruses. 
C) uses molecular motor proteins of dynein. 
D) All apply.

Question 3

Both excitatory and inhibitory postsynaptic potentials undergo summation.

Accepted Answer

A) True 
 B)False

Question 4

Astrocytes can be excited by changes in intracellular Ca2+ concentration.

Accepted Answer

A) True 
 B)False

Question 5

What type of autonomic fibers release ACh at effectors?

Accepted Answer

A) parasympathetic 
B) sympathetic 
C) somatic 
D) sensory 
A) parasympathetic 
B) sympathetic 
C) somatic 
D) sensory

Question 6

Endogenous opioids transmit impulses of pain.

Accepted Answer

A) True 
 B)False

Question 7

Endogenous cannabinoids have effects similar to the active ingredient in

Accepted Answer

A) cocaine. 
B) nicotine. 
C) amphetamines. 
D) marijuana. 
A) cocaine. 
B) nicotine. 
C) amphetamines. 
D) marijuana.

Question 8

Which of the following is true of axons?

Accepted Answer

A) contain receptive areas 
B) very thin and short 
C) originates at the axon hillock on the cell body 
D) transmits graded electrochemical impulses 
A) contain receptive areas 
B) very thin and short 
C) originates at the axon hillock on the cell body 
D) transmits graded electrochemical impulses

Question 9

Acetylcholine

Accepted Answer

A) is always an excitatory neurotransmitter. 
B) can bind to adrenergic receptors. 
C) is an inhibitory neurotransmitter released by motor neurons. 
D) can bind to nicotinic receptors. 
A) is always an excitatory neurotransmitter. 
B) can bind to adrenergic receptors. 
C) is an inhibitory neurotransmitter released by motor neurons. 
D) can bind to nicotinic receptors.

Question 10

Addictive drugs,as well as nicotine,activate dopamine release in the

Accepted Answer

A) nucleus accumbens. 
B) corpus striatum. 
C) basal nuclei. 
D) corpus callosum. 
A) nucleus accumbens. 
B) corpus striatum. 
C) basal nuclei. 
D) corpus callosum.

Question 11

Muscarinic ACh receptors are found in all of the following locations EXCEPT

Accepted Answer

A) skeletal muscle 
B) smooth muscle 
C) cardiac muscle 
D) glands 
A) skeletal muscle 
B) smooth muscle 
C) cardiac muscle 
D) glands

Question 12

White matter is

Accepted Answer

A) myelinated axons in the CNS. 
B) myelinated axons in the PNS. 
C) nonmyelinated cell bodies and dendrites in the CNS. 
D) nonmyelinated axons in the CNS. 
A) myelinated axons in the CNS. 
B) myelinated axons in the PNS. 
C) nonmyelinated cell bodies and dendrites in the CNS. 
D) nonmyelinated axons in the CNS.

Question 13

Serotonin is synthesized from the amino acid

Accepted Answer

A) alanine. 
B) glycine. 
C) tryptophan. 
D) serine. 
A) alanine. 
B) glycine. 
C) tryptophan. 
D) serine.

Question 14

The most common neurotransmitter in the brain is

Accepted Answer

A) glycine. 
B) acetylcholine. 
C) serotonin. 
D) GABA. 
A) glycine. 
B) acetylcholine. 
C) serotonin. 
D) GABA.

Question 15

Which of the following is NOT true of EPSPs?

Accepted Answer

A) they are graded responses 
B) they are capable of summation 
C) they have a refractory period 
D) they are initiated by neurotransmitters 
A) they are graded responses 
B) they are capable of summation 
C) they have a refractory period 
D) they are initiated by neurotransmitters

Question 16

A lack of extracellular Ca2+ would cause increased release of neurotransmitters.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following effect(s)acetylcholine synaptic transmission?

Accepted Answer

A) curare 
B) botulinum toxin 
C) strychnine 
D) curare and botulinum toxin. 
A) curare 
B) botulinum toxin 
C) strychnine 
D) curare and botulinum toxin.

Question 18

Destruction of astrocytes would decrease the rate at which action potentials are transmitted.

Accepted Answer

A) True 
 B)False

Question 19

Once an EPSP is created on the postsynaptic neuron,a new action potential is produced down the axon.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is NOT a function of neurotrophins?

Accepted Answer

A) maintaining sympathetic ganglion 
B) sustaining neurons that use the NT dopamine 
C) embryonic development of neurons 
D) regeneration of injured motor neurons 
A) maintaining sympathetic ganglion 
B) sustaining neurons that use the NT dopamine 
C) embryonic development of neurons 
D) regeneration of injured motor neurons

Somatic motor neurons innervate involuntary effectors.

Retrograde transport

Both excitatory and inhibitory postsynaptic potentials undergo summation.

Astrocytes can be excited by changes in intracellular Ca²⁺ concentration.

What type of autonomic fibers release ACh at effectors?

Endogenous opioids transmit impulses of pain.

Endogenous cannabinoids have effects similar to the active ingredient in

Which of the following is true of axons?

Acetylcholine

Addictive drugs,as well as nicotine,activate dopamine release in the

Muscarinic ACh receptors are found in all of the following locations EXCEPT

White matter is

Serotonin is synthesized from the amino acid

The most common neurotransmitter in the brain is

Which of the following is NOT true of EPSPs?

A lack of extracellular Ca²⁺ would cause increased release of neurotransmitters.

Which of the following effect(s)acetylcholine synaptic transmission?

Destruction of astrocytes would decrease the rate at which action potentials are transmitted.

Once an EPSP is created on the postsynaptic neuron,a new action potential is produced down the axon.

Which of the following is NOT a function of neurotrophins?

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,heart and Circulation

Cardiac Output, blood Flow, and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Exam 7: The Nervous System: Neurons and Synapses

Somatic motor neurons innervate involuntary effectors.

Retrograde transport

Both excitatory and inhibitory postsynaptic potentials undergo summation.

Astrocytes can be excited by changes in intracellular Ca2+ concentration.

What type of autonomic fibers release ACh at effectors?

Endogenous opioids transmit impulses of pain.

Endogenous cannabinoids have effects similar to the active ingredient in

Which of the following is true of axons?

Acetylcholine

Addictive drugs,as well as nicotine,activate dopamine release in the

Muscarinic ACh receptors are found in all of the following locations EXCEPT

White matter is

Serotonin is synthesized from the amino acid

The most common neurotransmitter in the brain is

Which of the following is NOT true of EPSPs?

A lack of extracellular Ca2+ would cause increased release of neurotransmitters.

Which of the following effect(s)acetylcholine synaptic transmission?

Destruction of astrocytes would decrease the rate at which action potentials are transmitted.

Once an EPSP is created on the postsynaptic neuron,a new action potential is produced down the axon.

Which of the following is NOT a function of neurotrophins?

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,heart and Circulation

Cardiac Output, blood Flow, and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Astrocytes can be excited by changes in intracellular Ca²⁺ concentration.

A lack of extracellular Ca²⁺ would cause increased release of neurotransmitters.