Question 1

Release of ACh at parasympathetic effectors is always stimulatory.

Accepted Answer

A) True 
 B)False  False

Question 2

Which of the following is NOT true of histamine?

Accepted Answer

A) it is derived from the amino acid histidine 
B) acts as a hormone that stimulates gastric secretion 
C) acts as a neurotransmitter in the brain to cause drowsiness 
D) acts as a regulator in inflammation and allergies 
A) it is derived from the amino acid histidine 
B) acts as a hormone that stimulates gastric secretion 
C) acts as a neurotransmitter in the brain to cause drowsiness 
D) acts as a regulator in inflammation and allergies C

Question 3

Neurotransmitter release from synaptic vesicles is caused by Ca2+-synaptotagmin complex interruption of the SNARE complex.

Accepted Answer

A) True 
 B)False  True

Question 4

The most abundant neuropeptide in the brain is

Accepted Answer

A) neuropeptide Y. 
B) neuropeptide Z. 
C) substance P. 
D) CCK. 
A) neuropeptide Y. 
B) neuropeptide Z. 
C) substance P. 
D) CCK.

Question 5

Serotonin is derived from the amino acid tryptophan and is an important neurotransmitter.

Accepted Answer

A) True 
 B)False

Question 6

All cells have a membrane potential.

Accepted Answer

A) True 
 B)False

Question 7

What type of receptors will bind ATP and adenosine?

Accepted Answer

A) cotransmitter receptors 
B) pyrimenergic receptors. 
C) purinergic receptors. 
D) None apply. 
A) cotransmitter receptors 
B) pyrimenergic receptors. 
C) purinergic receptors. 
D) None apply.

Question 8

An axon will depolarize only if the membrane potential reaches between -70mV and -55mV.This follows the

Accepted Answer

A) All-or-none law. 
B) recruitment law. 
C) graduated law. 
D) threshold law. 
A) All-or-none law. 
B) recruitment law. 
C) graduated law. 
D) threshold law.

Question 9

CCK (cholecystokinin)may act as a neurotransmitter in the brain to promote feelings of satiety.

Accepted Answer

A) True 
 B)False

Question 10

Temporal summation

Accepted Answer

A) occurs when a single neuron releases neurotransmitter rapidly. 
B) occurs because of the convergence of many neurons on a single postsynaptic cell. 
C) only involves excitatory postsynaptic potentials. 
D) only involves inhibitory postsynaptic potentials. 
A) occurs when a single neuron releases neurotransmitter rapidly. 
B) occurs because of the convergence of many neurons on a single postsynaptic cell. 
C) only involves excitatory postsynaptic potentials. 
D) only involves inhibitory postsynaptic potentials.

Question 11

The myelin sheaths of CNS neurons are produced by

Accepted Answer

A) Schwann cells. 
B) oligodendrocytes. 
C) ependymal cells. 
D) leukocytes. 
A) Schwann cells. 
B) oligodendrocytes. 
C) ependymal cells. 
D) leukocytes.

Question 12

Nerve cells depolarize due to the influx of K+.

Accepted Answer

A) True 
 B)False

Question 13

What structure is found around PNS axons that is NOT found around CNS axons?

Accepted Answer

A) nodes of Ranvier 
B) myelin sheath 
C) neurilemma 
D) plasma membrane 
A) nodes of Ranvier 
B) myelin sheath 
C) neurilemma 
D) plasma membrane

Question 14

The nigrostriatal dopamine system is located in part of the midbrain known as the substantia nigra and is degenerated in the disease myasthenia gravis.

Accepted Answer

A) True 
 B)False

Question 15

ATP and adenosine can act as neurtransmitters

Accepted Answer

A) by being released from astrocytes. 
B) as cotransmitters. 
C) as paracrine regulators. 
D) All apply. 
A) by being released from astrocytes. 
B) as cotransmitters. 
C) as paracrine regulators. 
D) All apply.

Question 16

Which gas(es)can function as a neurotransmitter?

Accepted Answer

A) carbon dioxide 
B) nitric oxide 
C) carbon monoxide 
D) nitric oxide and carbon monoxide. 
A) carbon dioxide 
B) nitric oxide 
C) carbon monoxide 
D) nitric oxide and carbon monoxide.

Question 17

What is NOT true of conduction through dendrites and cell bodies of neurons?

Accepted Answer

A) they are EPSPs 
B) they are spread by cable properties 
C) they can summate to reach threshold 
D) they are action potentials 
A) they are EPSPs 
B) they are spread by cable properties 
C) they can summate to reach threshold 
D) they are action potentials

Question 18

The varied strength of synaptic transmission is called

Accepted Answer

A) spatial summation. 
B) temporal summation. 
C) synaptic plasticity. 
D) EPSP. 
A) spatial summation. 
B) temporal summation. 
C) synaptic plasticity. 
D) EPSP.

Question 19

Most motor neurons are multipolar.

Accepted Answer

A) True 
 B)False

Question 20

Which type of cell of the CNS is phagocytotic?

Accepted Answer

A) microglia 
B) satellite cells 
C) ependymal cells 
D) oligodendrocytes 
A) microglia 
B) satellite cells 
C) ependymal cells 
D) oligodendrocytes

Release of ACh at parasympathetic effectors is always stimulatory.

Which of the following is NOT true of histamine?

Neurotransmitter release from synaptic vesicles is caused by Ca²⁺-synaptotagmin complex interruption of the SNARE complex.

The most abundant neuropeptide in the brain is

Serotonin is derived from the amino acid tryptophan and is an important neurotransmitter.

All cells have a membrane potential.

What type of receptors will bind ATP and adenosine?

An axon will depolarize only if the membrane potential reaches between -70mV and -55mV.This follows the

CCK (cholecystokinin)may act as a neurotransmitter in the brain to promote feelings of satiety.

Temporal summation

The myelin sheaths of CNS neurons are produced by

Nerve cells depolarize due to the influx of K⁺.

What structure is found around PNS axons that is NOT found around CNS axons?

The nigrostriatal dopamine system is located in part of the midbrain known as the substantia nigra and is degenerated in the disease myasthenia gravis.

ATP and adenosine can act as neurtransmitters

Which gas(es)can function as a neurotransmitter?

What is NOT true of conduction through dendrites and cell bodies of neurons?

The varied strength of synaptic transmission is called

Most motor neurons are multipolar.

Which type of cell of the CNS is phagocytotic?

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

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Exam 7: The Nervous System: Neurons and Synapses

Release of ACh at parasympathetic effectors is always stimulatory.

Which of the following is NOT true of histamine?

Neurotransmitter release from synaptic vesicles is caused by Ca2+-synaptotagmin complex interruption of the SNARE complex.

The most abundant neuropeptide in the brain is

Serotonin is derived from the amino acid tryptophan and is an important neurotransmitter.

All cells have a membrane potential.

What type of receptors will bind ATP and adenosine?

An axon will depolarize only if the membrane potential reaches between -70mV and -55mV.This follows the

CCK (cholecystokinin)may act as a neurotransmitter in the brain to promote feelings of satiety.

Temporal summation

The myelin sheaths of CNS neurons are produced by

Nerve cells depolarize due to the influx of K+.

What structure is found around PNS axons that is NOT found around CNS axons?

The nigrostriatal dopamine system is located in part of the midbrain known as the substantia nigra and is degenerated in the disease myasthenia gravis.

ATP and adenosine can act as neurtransmitters

Which gas(es)can function as a neurotransmitter?

What is NOT true of conduction through dendrites and cell bodies of neurons?

The varied strength of synaptic transmission is called

Most motor neurons are multipolar.

Which type of cell of the CNS is phagocytotic?

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

Neurotransmitter release from synaptic vesicles is caused by Ca²⁺-synaptotagmin complex interruption of the SNARE complex.

Nerve cells depolarize due to the influx of K⁺.