Electrochemical Basis of Behavior Flashcards Preview

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Flashcards in Electrochemical Basis of Behavior Deck (19)
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0
Q

This is a recording device that connects to an OSCILLOSCOPE.

A

Millivoltmeter

1
Q

This is the difference in charge on the two sides of the membrane of an axon.

A

Polarization

2
Q

These ions are found OUTSIDE of a neuron during RESTING POTENTIAL.

A

Na+ (Sodium)

Cl- (Chloride)

3
Q

These ions are found INSIDE of the membrane of a neuron during RESTING POTENTIAL.

A

Anions (large negative protein)

K+ (potassium)

4
Q

RESTING POTENTIAL of a neuron is regulated by ___________.

A

Sodium Pump

5
Q

The POSITIVE charge OUTSIDE of the neuron is due to ___________.

A

Sodium

6
Q

The NEGATIVE charge INSIDE of the neuron is due to _____________.

A

Anions

7
Q

During ACTION POTENTIAL, SODIUM ions___________ and POTASSIUM ions__________.

A

Sodium RUSHES IN

Potassium is ALREADY in

8
Q

During ACTION POTENTIAL, the ANIONS __________ and the CHLORIDE ions __________.

A

Anions CANNOT GET OUT

Chloride STAYS OUTSIDE

9
Q

POTASSIUM DIFFUSING out is a(an) ___________ process.

A

Passive

10
Q

SODIUM and POTASSIUM ions being PULLED into the cell is a(an) ___________ process.

A

Active

11
Q

DEPOLARIZATION has a recording of ___mV to ___mV.

A
  • 70 to 0

* See illustration in notes*

12
Q

REVERSE POLARIZATION has a recording of ___mV to ___mV.

A

0 to +30

See illustration in notes

13
Q

This is the INCREASE in EXCITABILITY as a neuron moves TOWARD the THRESHOLD.

A

Period of Latent Addition

See illustration in notes

14
Q

NO STIMULUS no matter how great is CAPABLE of ELICITING A RESPONSE.

A

Absolute Refractory Period

See illustration in notes

15
Q

This occurs when a STRONGER THAN NORMAL stimulus is CAPABLE of ELICITING a RESPONSE.

A

Relative Refractory Period

See illustration in notes

16
Q

True or False: CONDUCTION of a NERVE IMPULSE along an AXON is uni-directional.

A

FALSE, conduction is NONDIRECTIONAL

17
Q

This states that an AXON FIRES COMPLETELY or NOT AT ALL.

A

All or Nothing Law

18
Q

This is a PROPAGATION of an ACTION POTENTIAL from node to node of MYELINATED FIBERS.

A

Saltatory Conduction