Question 1

Which neurotransmitter is not an amino acid derivative?

Accepted Answer

A) dopamine 
B) acetylcholine 
C) GABA 
D) histamine 
E) serotonin 
A) dopamine 
B) acetylcholine 
C) GABA 
D) histamine 
E) serotonin

Question 2

The resting potential of a particular nerve cell is - 66 mV. Depolarization of the membrane will shift the membrane potential toward

Accepted Answer

A) 0 mV. 
B) - 66 mV. 
C) - 90 mV. 
D) There will be no change. 
E) There is not enough information to tell. 
A) 0 mV. 
B) - 66 mV. 
C) - 90 mV. 
D) There will be no change. 
E) There is not enough information to tell.

Question 3

Catecholamines are synthesized by the

Accepted Answer

A) adrenal gland. 
B) liver. 
C) anterior pituitary gland. 
D) skeletal muscle. 
E) hypothalamus. 
A) adrenal gland. 
B) liver. 
C) anterior pituitary gland. 
D) skeletal muscle. 
E) hypothalamus.

Question 4

Name for the phase at the end of an action potential when the membrane potential becomes more negative than it is at rest is the _ phase.

Accepted Answer

A) hyperpolarizing 
B) refractory 
C) repolarizing 
D) threshold 
E) depolarizing 
A) hyperpolarizing 
B) refractory 
C) repolarizing 
D) threshold 
E) depolarizing

Question 5

The glial cell associated with phagocytosis to fight infection and remove debris are the

Accepted Answer

A) Schwann cells. 
B) oligodendrocytes. 
C) microglia. 
D) astrocytes. 
E) myelin sheath. 
A) Schwann cells. 
B) oligodendrocytes. 
C) microglia. 
D) astrocytes. 
E) myelin sheath.

Question 6

The kinesin ATPase is located within the of a nerve cell.

Accepted Answer

The answer of The kinesin ATPase is located within the...

Question 7

The technique that allows one to record ion currents passing through individual channels is known as

Accepted Answer

A) ionophores. 
B) ligand- gating. 
C) patch- clamping. 
D) voltage- gating. 
E) ion sensors. 
A) ionophores. 
B) ligand- gating. 
C) patch- clamping. 
D) voltage- gating. 
E) ion sensors.

Question 8

The stimulation of a neuron by a signal may ultimately stimulate

Accepted Answer

A) gland cells. 
B) smooth muscle cells. 
C) another nerve cell. 
D) skeletal muscle cells. 
E) all of the above 
A) gland cells. 
B) smooth muscle cells. 
C) another nerve cell. 
D) skeletal muscle cells. 
E) all of the above

Question 9

Multiple sclerosis is a result of

Accepted Answer

A) excess amounts of myelin on nerve cells. 
B) an immune system attack on nerve fibers. 
C) the absence of myelin on nerve cells. 
D) blocking the nodes on Ranvier. 
E) having excess acetylcholine receptors. 
A) excess amounts of myelin on nerve cells. 
B) an immune system attack on nerve fibers. 
C) the absence of myelin on nerve cells. 
D) blocking the nodes on Ranvier. 
E) having excess acetylcholine receptors.

Question 10

The stimulus for secretion of neurotransmitters into the synaptic cleft is an increase in

Accepted Answer

A) neurotransmitter levels. 
B) chloride levels. 
C) calcium levels. 
D) potassium levels. 
E) sodium levels. 
A) neurotransmitter levels. 
B) chloride levels. 
C) calcium levels. 
D) potassium levels. 
E) sodium levels.

Which neurotransmitter is not an amino acid derivative?

The resting potential of a particular nerve cell is - 66 mV. Depolarization of the membrane will shift the membrane potential toward

Catecholamines are synthesized by the

Name for the phase at the end of an action potential when the membrane potential becomes more negative than it is at rest is the _ phase.

The glial cell associated with phagocytosis to fight infection and remove debris are the

The kinesin ATPase is located within the of a nerve cell.

The technique that allows one to record ion currents passing through individual channels is known as

The stimulation of a neuron by a signal may ultimately stimulate

Multiple sclerosis is a result of

The stimulus for secretion of neurotransmitters into the synaptic cleft is an increase in

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Exam 13: Signal Transduction Mechanisms: I Electrical and Synaptic Signaling in Neurons

Which neurotransmitter is not an amino acid derivative?

The resting potential of a particular nerve cell is - 66 mV. Depolarization of the membrane will shift the membrane potential toward

Catecholamines are synthesized by the

Name for the phase at the end of an action potential when the membrane potential becomes more negative than it is at rest is the _ phase.

The glial cell associated with phagocytosis to fight infection and remove debris are the

The kinesin ATPase is located within the of a nerve cell.

The technique that allows one to record ion currents passing through individual channels is known as

The stimulation of a neuron by a signal may ultimately stimulate

Multiple sclerosis is a result of

The stimulus for secretion of neurotransmitters into the synaptic cleft is an increase in

A Preview of the Cell

The Chemistry of the Cell

The Macromolecules of the Cell

Cells and Organelles

Bioenergetics: The Flow of Energy in the Cell

Enzymes: The Catalysts of Life

Membranes: Their Structure, Function, and Chemistry

Transport Across Membranes: Overcoming the Permeability Barrier

Chemotrophic Energy Metabolism: Glycolysis and Fermentation

Chemotrophic Energy Metabolism: Aerobic Respiration

Phototrophic Energy Metabolism: Photosynthesis

The Endomembrane System and Peroxisomes

Signal Transduction Mechanisms: Ii Messengers and Receptors

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesion, Cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: DNA, Chromosomes, and the Nucleus

The Cell Cycle, Dna Replication, and Mitosis

Sexual Reproduction, Meiosis, and Genetic Recombination

Gene Expression: I the Genetic Code and Transcription

Gene Expression: II Protein Synthesis and Sorting

The Regulation of Gene Expression

Cancer Cells

Filters