Question 1

Chemicals that stimulate action potentials in postsynaptic cells are called

Accepted Answer

A) hormones. 
B) enzymes. 
C) neurotransmitters. 
D) neurotrophins. 
A) hormones. 
B) enzymes. 
C) neurotransmitters. 
D) neurotrophins.

Question 2

Excitable cells are incapable of maintaining a constant resting membrane potential.

Accepted Answer

A) True 
 B)False

Question 3

MAO inhibitors may cause hypertensive crisis by a person eating foods rich in

Accepted Answer

A) phenylalanine. 
B) tyramine. 
C) glutamic acid. 
D) tryptophan. 
A) phenylalanine. 
B) tyramine. 
C) glutamic acid. 
D) tryptophan.

Question 4

The average resting membrane potential of a neuron is -85mV.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is NOT an action needed for glutamate to open ion channels?

Accepted Answer

A) NMDA receptor must bind to glycine 
B) the membrane must be partially depolarized from the action of a different neurotransmitter 
C) Cl- must pass through the open channel 
D) Mg2+ is released from NMDA channel to open it 
A) NMDA receptor must bind to glycine 
B) the membrane must be partially depolarized from the action of a different neurotransmitter 
C) Cl- must pass through the open channel 
D) Mg2+ is released from NMDA channel to open it

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is NOT classified as a catecholamine?

Accepted Answer

A) norepinephrine 
B) epinephrine 
C) histamine 
D) dopamine 
A) norepinephrine 
B) epinephrine 
C) histamine 
D) dopamine

Question 8

Acetylcholine usually induces an excitatory postsynaptic potential when binding to ________ receptors and an inhibitory postsynaptic potential when binding to some ____________ receptors.

Accepted Answer

A) NMDA,nicotinic 
B) nicotinic,muscarinic 
C) muscarinic,NMDA 
D) muscarinic,nicotinic 
A) NMDA,nicotinic 
B) nicotinic,muscarinic 
C) muscarinic,NMDA 
D) muscarinic,nicotinic

Question 9

Norepinephrine binding to a receptor stimulates the activity of adenylate cyclase.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

A nerve is a bundle of axons in the CNS.

Accepted Answer

A) True 
 B)False

Question 12

Synaptic vesicles are docked to the plasma membrane of the axon terminal by a protein complex called

Accepted Answer

A) boutons. 
B) connexons. 
C) synaptotagmins. 
D) SNARE. 
A) boutons. 
B) connexons. 
C) synaptotagmins. 
D) SNARE.

Question 13

Alzheimer's disease is associated with the loss of cholinergic fibers that end at the hippocampus and cerebral cortex.

Accepted Answer

A) True 
 B)False

Question 14

All cells have a membrane potential.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Question 17

What process is needed to return a membrane to its resting membrane potential with all ions in the correct locations?

Accepted Answer

A) after-hyperpolarization 
B) all-or-none-law 
C) Na+/K+ pump 
D) refractory period 
A) after-hyperpolarization 
B) all-or-none-law 
C) Na+/K+ pump 
D) refractory period

Question 18

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 19

Hyperpolarization in the postsynaptic cell is caused by

Accepted Answer

A) excitatory postsynaptic potentials. 
B) inhibitory postsynaptic potentials. 
C) movement of K+ out of the cell. 
D) Both inhibitory postsynaptic potentials and movement of K+ out of the cell are correct. 
A) excitatory postsynaptic potentials. 
B) inhibitory postsynaptic potentials. 
C) movement of K+ out of the cell. 
D) Both inhibitory postsynaptic potentials and movement of K+ out of the cell are correct.

Question 20

Schwann cells and oligodendrocytes have similar functions.

Accepted Answer

A) True 
 B)False

Chemicals that stimulate action potentials in postsynaptic cells are called

Excitable cells are incapable of maintaining a constant resting membrane potential.

MAO inhibitors may cause hypertensive crisis by a person eating foods rich in

The average resting membrane potential of a neuron is -85mV.

Which of the following is NOT an action needed for glutamate to open ion channels?

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

Which of the following is NOT classified as a catecholamine?

Acetylcholine usually induces an excitatory postsynaptic potential when binding to receptors and an inhibitory postsynaptic potential when binding to some ____ receptors.

Norepinephrine binding to a receptor stimulates the activity of adenylate cyclase.

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

A nerve is a bundle of axons in the CNS.

Synaptic vesicles are docked to the plasma membrane of the axon terminal by a protein complex called

Alzheimer's disease is associated with the loss of cholinergic fibers that end at the hippocampus and cerebral cortex.

All cells have a membrane potential.

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

Which of the following is NOT true of histamine?

What process is needed to return a membrane to its resting membrane potential with all ions in the correct locations?

The most common neurotransmitter in the brain is

Hyperpolarization in the postsynaptic cell is caused by

Schwann cells and oligodendrocytes have similar functions.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

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 of Metabolism

Reproduction

Filters

Exam 7: The Nervous System: Neurons and Synapses

Chemicals that stimulate action potentials in postsynaptic cells are called

Excitable cells are incapable of maintaining a constant resting membrane potential.

MAO inhibitors may cause hypertensive crisis by a person eating foods rich in

The average resting membrane potential of a neuron is -85mV.

Which of the following is NOT an action needed for glutamate to open ion channels?

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

Which of the following is NOT classified as a catecholamine?

Acetylcholine usually induces an excitatory postsynaptic potential when binding to ________ receptors and an inhibitory postsynaptic potential when binding to some ____________ receptors.

Norepinephrine binding to a receptor stimulates the activity of adenylate cyclase.

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

A nerve is a bundle of axons in the CNS.

Synaptic vesicles are docked to the plasma membrane of the axon terminal by a protein complex called

Alzheimer's disease is associated with the loss of cholinergic fibers that end at the hippocampus and cerebral cortex.

All cells have a membrane potential.

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

Which of the following is NOT true of histamine?

What process is needed to return a membrane to its resting membrane potential with all ions in the correct locations?

The most common neurotransmitter in the brain is

Hyperpolarization in the postsynaptic cell is caused by

Schwann cells and oligodendrocytes have similar functions.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

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 of Metabolism

Reproduction

Filters

Acetylcholine usually induces an excitatory postsynaptic potential when binding to receptors and an inhibitory postsynaptic potential when binding to some ____ receptors.

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