Question 1

Use the answer code below to answer this section.
a.increased PNa+ and no change in PK+
b.decreased PNa+ and decreased PK+
c.increased PK+ and no change in PNa+
d.increased PK+ and increased PNa+
e.increased PK+ and decreased PNa+
f.Na influx
g.Na+ efflux
h.K+ influx
i.K+ efflux
-Permeability changes that occur at the peak of an action potential

Accepted Answer

The answer of Use the answer code below to answer...

Question 2

Indicate the relationship between the two items listed in each situation:
a.A is greater than b.
b.B is greater than a.
c.A and B are equal.
-a.Neuron's permeability to Na⁺ during the falling phase of an action potential
B.Neuron's permeability to K⁺ during the falling phase of an action potential

Accepted Answer

The answer of Indicate the relationship between the two items...

Question 3

Indicate the relationship between the two items listed in each situation:
a.A is greater than b.
b.B is greater than a.
c.A and B are equal.
-a.K⁺ concentration in the neuron's cytosol immediately before an action potential
B.K⁺ concentration in the neuron's cytosol immediately following an action potential

Accepted Answer

The answer of Indicate the relationship between the two items...

Question 4

Use the answer code below to answer this section.
a.increased PNa+ and no change in PK+
b.decreased PNa+ and decreased PK+
c.increased PK+ and no change in PNa+
d.increased PK+ and increased PNa+
e.increased PK+ and decreased PNa+
f.Na influx
g.Na+ efflux
h.K+ influx
i.K+ efflux
-Ion movement responsible for the falling phase of the action potential

Accepted Answer

The answer of Use the answer code below to answer...

Question 5

Indicate the relationship between the two items listed in each situation:
a.A is greater than b.
b.B is greater than a.
c.A and B are equal.
-a.Resting neuron's permeability to Na⁺
B.Neuron's permeability to Na⁺ during the rising phase of an action potential

Accepted Answer

The answer of Indicate the relationship between the two items...

Question 6

Use the answer code below to answer this section.
a.increased PNa+ and no change in PK+
b.decreased PNa+ and decreased PK+
c.increased PK+ and no change in PNa+
d.increased PK+ and increased PNa+
e.increased PK+ and decreased PNa+
f.Na influx
g.Na+ efflux
h.K+ influx
i.K+ efflux
-Ion movement responsible for the rising phase of the action potential

Accepted Answer

The answer of Use the answer code below to answer...

Question 7

Indicate the relationship between the two items listed in each situation:
a.A is greater than b.
b.B is greater than a.
c.A and B are equal.
-a.Neuron's permeability to Na⁺ during the rising phase of an action potential
B.Neuron's permeability to K⁺ during the rising phase of an action potential

Accepted Answer

The answer of Indicate the relationship between the two items...

Question 8

Use the answer code below to answer this section.
a.increased PNa+ and no change in PK+
b.decreased PNa+ and decreased PK+
c.increased PK+ and no change in PNa+
d.increased PK+ and increased PNa+
e.increased PK+ and decreased PNa+
f.Na influx
g.Na+ efflux
h.K+ influx
i.K+ efflux
-Ion movement that would cause an EPSP

Accepted Answer

The answer of Use the answer code below to answer...

Question 9

Indicate the relationship between the two items listed in each situation:
a.A is greater than b.
b.B is greater than a.
c.A and B are equal.
-a.Na⁺ concentration in the neuron's cytosol immediately before an action potential
B.Na⁺ concentration in the neuron's cytosol immediately following an action potential

Accepted Answer

The answer of Indicate the relationship between the two items...

Question 10

Indicate the relationship between the two items listed in each situation:
a.A is greater than b.
b.B is greater than a.
c.A and B are equal.
-a.Resting membrane potential
B.Potential during depolarization

Accepted Answer

The answer of Indicate the relationship between the two items...

Question 11

Use the answer code below to answer this section.
a.increased PNa+ and no change in PK+
b.decreased PNa+ and decreased PK+
c.increased PK+ and no change in PNa+
d.increased PK+ and increased PNa+
e.increased PK+ and decreased PNa+
f.Na influx
g.Na+ efflux
h.K+ influx
i.K+ efflux
-Permeability changes at threshold voltage

Accepted Answer

The answer of Use the answer code below to answer...

Question 12

Indicate the relationship between the two items listed in each situation:
a.A is greater than b.
b.B is greater than a.
c.A and B are equal.
-a.Resting membrane potential
B.Potential during hyperpolarization

Accepted Answer

The answer of Indicate the relationship between the two items...

Question 13

Indicate the relationship between the two items listed in each situation:
a.A is greater than b.
b.B is greater than a.
c.A and B are equal.
-a.Resting neuron's permeability to K⁺
B.Resting neuron's permeability to Na⁺

Accepted Answer

The answer of Indicate the relationship between the two items...

Question 14

Indicate the relationship between the two items listed in each situation:
a.A is greater than b.
b.B is greater than a.
c.A and B are equal.
-a.Na⁺ concentration in the extracellular fluid
B.Na⁺ concentration in the neuron's cytosol immediately following an action potential

Accepted Answer

The answer of Indicate the relationship between the two items...

Question 15

Choose the match for each substance listed.
a.covering on the axon
b.second messenger
c.branching process from a cell body
d.impulse-conducting region
e.junction between neurons
f.neurotransmitter
-Dendrite

Accepted Answer

The answer of Choose the match for each substance listed.
a.covering...

Question 16

Choose the match for each substance listed.
a.covering on the axon
b.second messenger
c.branching process from a cell body
d.impulse-conducting region
e.junction between neurons
f.neurotransmitter
-Myelin

Accepted Answer

The answer of Choose the match for each substance listed.
a.covering...

Question 17

Indicate the relationship between the two items listed in each situation:
a.A is greater than b.
b.B is greater than a.
c.A and B are equal.
-a.Resting neuron's permeability to K⁺
B.Neuron's permeability to K⁺ during the falling phase of an action potential

Accepted Answer

The answer of Indicate the relationship between the two items...

Question 18

Choose the match for each substance listed.
a.covering on the axon
b.second messenger
c.branching process from a cell body
d.impulse-conducting region
e.junction between neurons
f.neurotransmitter
-Synapse

Accepted Answer

The answer of Choose the match for each substance listed.
a.covering...

Question 19

Use the answer code below to answer this section.
a.increased PNa+ and no change in PK+
b.decreased PNa+ and decreased PK+
c.increased PK+ and no change in PNa+
d.increased PK+ and increased PNa+
e.increased PK+ and decreased PNa+
f.Na influx
g.Na+ efflux
h.K+ influx
i.K+ efflux
-Permeability changes at the start of an IPSP

Accepted Answer

The answer of Use the answer code below to answer...

Question 20

Use the answer code below to answer this section.
a.increased PNa+ and no change in PK+
b.decreased PNa+ and decreased PK+
c.increased PK+ and no change in PNa+
d.increased PK+ and increased PNa+
e.increased PK+ and decreased PNa+
f.Na influx
g.Na+ efflux
h.K+ influx
i.K+ efflux
-Ion movement that would cause an IPSP

Accepted Answer

The answer of Use the answer code below to answer...

Quiz 4: Principles of Neural and Hormonal Communication

Indicate the relationship between the two items listed in each situation: a.A is greater than b. b.B is greater than a. c.A and B are equal. -a.Resting neuron's permeability to Na⁺ B.Neuron's permeability to Na⁺ during the rising phase of an action potential

Indicate the relationship between the two items listed in each situation: a.A is greater than b. b.B is greater than a. c.A and B are equal. -a.Resting membrane potential B.Potential during depolarization

Indicate the relationship between the two items listed in each situation: a.A is greater than b. b.B is greater than a. c.A and B are equal. -a.Resting membrane potential B.Potential during hyperpolarization

Indicate the relationship between the two items listed in each situation: a.A is greater than b. b.B is greater than a. c.A and B are equal. -a.Resting neuron's permeability to K⁺ B.Resting neuron's permeability to Na⁺

Indicate the relationship between the two items listed in each situation: a.A is greater than b. b.B is greater than a. c.A and B are equal. -a.Na⁺ concentration in the extracellular fluid B.Na⁺ concentration in the neuron's cytosol immediately following an action potential

Choose the match for each substance listed. a.covering on the axon b.second messenger c.branching process from a cell body d.impulse-conducting region e.junction between neurons f.neurotransmitter -Dendrite

Choose the match for each substance listed. a.covering on the axon b.second messenger c.branching process from a cell body d.impulse-conducting region e.junction between neurons f.neurotransmitter -Myelin

Indicate the relationship between the two items listed in each situation: a.A is greater than b. b.B is greater than a. c.A and B are equal. -a.Resting neuron's permeability to K⁺ B.Neuron's permeability to K⁺ during the falling phase of an action potential

Choose the match for each substance listed. a.covering on the axon b.second messenger c.branching process from a cell body d.impulse-conducting region e.junction between neurons f.neurotransmitter -Synapse