Question 1

What type of neural pathway involves one neuron forming synapses with several postsynaptic neurons?

Accepted Answer

A) convergent 
B) oscillating 
C) divergent 
D) plastic 
A) convergent 
B) oscillating 
C) divergent 
D) plastic

Question 2

Which of the following are natural analgesics?

Accepted Answer

A) endorphins 
B) enkephalins 
C) dynorphins 
D) All apply. 
A) endorphins 
B) enkephalins 
C) dynorphins 
D) All apply.

Question 3

Postsynaptic inhibition is caused by neurotransmitters that produce hyperpolarization.

Accepted Answer

A) True 
 B)False

Question 4

Action potential transmission in the PNS is decreased if which cells are damaged?

Accepted Answer

A) astrocytes 
B) microglia 
C) oligodendrocytes 
D) Schwann cells 
A) astrocytes 
B) microglia 
C) oligodendrocytes 
D) Schwann cells

Question 5

Which of the following is NOT true of long-term potentiation (LTP)?

Accepted Answer

A) Associated with the removal of AMPA glutamate receptors 
B) Repeated stimulation enhance excitability 
C) Associated with insertion of AMPA glutamate receptors 
D) It is a form of synaptic plasticity 
A) Associated with the removal of AMPA glutamate receptors 
B) Repeated stimulation enhance excitability 
C) Associated with insertion of AMPA glutamate receptors 
D) It is a form of synaptic plasticity

Question 6

Animals that cannot synthesize neuropeptide Y would be prone to seizures.

Accepted Answer

A) True 
 B)False

Question 7

____________ is an acetylcholinesterase antagonist used to treat myasthenia gravis.

Accepted Answer

A) Neostigmine 
B) Muscarine 
C) Naloxone 
D) Nitric oxide 
A) Neostigmine 
B) Muscarine 
C) Naloxone 
D) Nitric oxide

Question 8

Myelinated axons transmit action potentials more rapidly than unmyelinated axons.

Accepted Answer

A) True 
 B)False

Question 9

Acetylcholine can induce hyperpolarization by

Accepted Answer

A) binding to nicotinic receptors. 
B) binding to muscarinic receptors. 
C) binding to $\alpha$-adrenergic receptors. 
D) binding to $\beta$-adrenergic receptors. 
A) binding to nicotinic receptors. 
B) binding to muscarinic receptors. 
C) binding to $\alpha$-adrenergic receptors. 
D) binding to $\beta$-adrenergic receptors.

Question 10

At what region of the neuron are action potentials first produced?

Accepted Answer

A) dendrites 
B) cell body 
C) initial segment of an axon 
D) axon hillock 
A) dendrites 
B) cell body 
C) initial segment of an axon 
D) axon hillock

What type of neural pathway involves one neuron forming synapses with several postsynaptic neurons?

Which of the following are natural analgesics?

Postsynaptic inhibition is caused by neurotransmitters that produce hyperpolarization.

Action potential transmission in the PNS is decreased if which cells are damaged?

Which of the following is NOT true of long-term potentiation (LTP)?

Animals that cannot synthesize neuropeptide Y would be prone to seizures.

____________ is an acetylcholinesterase antagonist used to treat myasthenia gravis.

Myelinated axons transmit action potentials more rapidly than unmyelinated axons.

Acetylcholine can induce hyperpolarization by

At what region of the neuron are action potentials first produced?

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

What type of neural pathway involves one neuron forming synapses with several postsynaptic neurons?

Which of the following are natural analgesics?

Postsynaptic inhibition is caused by neurotransmitters that produce hyperpolarization.

Action potential transmission in the PNS is decreased if which cells are damaged?

Which of the following is NOT true of long-term potentiation (LTP)?

Animals that cannot synthesize neuropeptide Y would be prone to seizures.

____________ is an acetylcholinesterase antagonist used to treat myasthenia gravis.

Myelinated axons transmit action potentials more rapidly than unmyelinated axons.

Acetylcholine can induce hyperpolarization by

At what region of the neuron are action potentials first produced?

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