Question 1

What type of synapse occurs between an axon terminal of one neuron and the axon from another neuron?

Accepted Answer

A) axodendritic 
B) somatoaxonic 
C) axoaxonic 
D) dendroaxonic 
E) axosomatic 
A) axodendritic 
B) somatoaxonic 
C) axoaxonic 
D) dendroaxonic 
E) axosomatic

Question 2

EPSPs are at least 10 mV in magnitude at the point of synaptic communication.

Accepted Answer

A) True 
 B)False

Question 3

The rapid change in membrane potential that occurs when a ligand binds to an ionotropic receptor is caused by which of the following?

Accepted Answer

A) the large ion gradient across the membrane 
B) the G protein amplification that causes the rapid channel response 
C) the presence of that protein functioning as both an ionotropic receptor and as the ion channel 
D) the rapid gating of the ion channel by G protein 
E) the rapid G protein response that indirectly links receptor to channel 
A) the large ion gradient across the membrane 
B) the G protein amplification that causes the rapid channel response 
C) the presence of that protein functioning as both an ionotropic receptor and as the ion channel 
D) the rapid gating of the ion channel by G protein 
E) the rapid G protein response that indirectly links receptor to channel

Question 4

What happens to the resting membrane potential of - 70 mV when channels for a cation with an equilibrium potential of - 30 mV open?

Accepted Answer

A) returns to - 70 mV 
B) membrane stabilization 
C) repolarization 
D) hyperpolarization 
E) depolarization 
A) returns to - 70 mV 
B) membrane stabilization 
C) repolarization 
D) hyperpolarization 
E) depolarization

Question 5

Why are amino acid neurotransmitters NOT considered biogenic amines?

Accepted Answer

A) Amino acids lose their activity when stored, while biogenic amines do not. 
B) Biogenic amines may be taken up by non- conducting cells, while amino acids are not. 
C) Amino acids used to make biogenic amines are not used for anything else. 
D) Amino acids are excitatory only, while biogenic amines are not. 
E) Biogenic amines still contain an amine group, but are no longer amino acids. 
A) Amino acids lose their activity when stored, while biogenic amines do not. 
B) Biogenic amines may be taken up by non- conducting cells, while amino acids are not. 
C) Amino acids used to make biogenic amines are not used for anything else. 
D) Amino acids are excitatory only, while biogenic amines are not. 
E) Biogenic amines still contain an amine group, but are no longer amino acids.

Question 6

What happens to the resting membrane potential of - 70 mV when channels, that permit both sodium and potassium to move through, open?

Accepted Answer

A) returns to - 70 mV 
B) hyperpolarization 
C) repolarization 
D) depolarization 
E) membrane stabilization 
A) returns to - 70 mV 
B) hyperpolarization 
C) repolarization 
D) depolarization 
E) membrane stabilization

What type of synapse occurs between an axon terminal of one neuron and the axon from another neuron?

EPSPs are at least 10 mV in magnitude at the point of synaptic communication.

The rapid change in membrane potential that occurs when a ligand binds to an ionotropic receptor is caused by which of the following?

What happens to the resting membrane potential of - 70 mV when channels for a cation with an equilibrium potential of - 30 mV open?

Why are amino acid neurotransmitters NOT considered biogenic amines?

What happens to the resting membrane potential of - 70 mV when channels, that permit both sodium and potassium to move through, open?

Introduction to Physiology

The Cell: Structure and Function

Cell Metabolism

Cell Membrane Transport

Chemical Messengers

The Endocrine System: Endocrine Glands and Hormone Actions

Nerve Cells and Electrical Signaling

The Nervous System: Central Nervous System

The Nervous System: Sensory Systems

The Nervous System: Autonomic and Motor Systems

Muscle Physiology

The Cardiovascular System: Cardiac Function

The Cardiovascular System: Blood Vessels, Blood Flow, and Blood Pressure

The Cardiovascular System: Blood

The Respiratory System: Pulmonary Ventilation

The Respiratory System: Gas Exchange and the Regulation of Breathing

The Urinary System: Renal Function

The Urinary System: Fluid and Electrolyte Balance

The Gastrointestinal System

The Endocrine System: Regulation of Energy Metabolism and Growth

The Reproductive System

The Immune System

Diabetes Mellitus

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Exam 8: Synaptic Transmission and Neural Integration

What type of synapse occurs between an axon terminal of one neuron and the axon from another neuron?

EPSPs are at least 10 mV in magnitude at the point of synaptic communication.

The rapid change in membrane potential that occurs when a ligand binds to an ionotropic receptor is caused by which of the following?

What happens to the resting membrane potential of - 70 mV when channels for a cation with an equilibrium potential of - 30 mV open?

Why are amino acid neurotransmitters NOT considered biogenic amines?

What happens to the resting membrane potential of - 70 mV when channels, that permit both sodium and potassium to move through, open?

Introduction to Physiology

The Cell: Structure and Function

Cell Metabolism

Cell Membrane Transport

Chemical Messengers

The Endocrine System: Endocrine Glands and Hormone Actions

Nerve Cells and Electrical Signaling

The Nervous System: Central Nervous System

The Nervous System: Sensory Systems

The Nervous System: Autonomic and Motor Systems

Muscle Physiology

The Cardiovascular System: Cardiac Function

The Cardiovascular System: Blood Vessels, Blood Flow, and Blood Pressure

The Cardiovascular System: Blood

The Respiratory System: Pulmonary Ventilation

The Respiratory System: Gas Exchange and the Regulation of Breathing

The Urinary System: Renal Function

The Urinary System: Fluid and Electrolyte Balance

The Gastrointestinal System

The Endocrine System: Regulation of Energy Metabolism and Growth

The Reproductive System

The Immune System

Diabetes Mellitus

Filters