Excitatory and Inhibitory Neurotransmission in the CNS Flashcards Preview

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Flashcards in Excitatory and Inhibitory Neurotransmission in the CNS Deck (11)
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1
Q

When sodium channels open in a neurone does sodium flow inwards or outwards?

A

Inwards

2
Q

When calcium channels open in a neurone does calcium flow inwards or outwards?

A

Inwards

3
Q

When chlorine channels open in a neurone does chlorine flow inwards or outwards?

A

Inwards

4
Q

When pottassium channels open does pottassium flow inwards or outwards?

A

Outwards

5
Q

Does the inward flow of sodium cause hyperpolarization or depolarization?

A

Depolarization

6
Q

Does the inward flow of calcium cause hyperpolarization or depolarization?

A

Depolarization

7
Q

Does the inward flow of chlorine cause hyperpolarization or depolarization?

A

Hyperpolarization

8
Q

Does the inward flow of pottassium cause hyperpolarization or depolarization?

A

Hyperpolarization

9
Q

What kind of drug is lidnocaine?

A

Na channel antagonist

10
Q

What is an ionotropic receptor?

A

The receptor is an integral component of the molecule that forms the channel it controls.

11
Q

What is a metabotropic receptor?

A

Receptor and the channel it controls are distinct. Indirect gating