Intro Lecture

Question 1

What are the two main receptors studied in terms of cell communication? (2)

Answer 1

Glutamatergic synapses (excitatory)
GABA (inhibitory)

Question 2

What is LTD and LTP? (2)

Answer 2

-Long term depression
-Long term potentiation

Question 3

What are the 3 phases of an AP? (3)
What part of the graph is it? (3)

Answer 3

Depolarization going up (Na+ opens K+ closes)

Repolarization going down (Na+ closes K+ opens)

Hyperpolarization going under (K+ opens, Some Cl- channels open)

Question 4

What channels are affected in: (3)
-Depolarisation
-Repolarisation
-Hyperpolarization

Answer 4

Depolarization (Na+ opens K+ closes)

Repolarization (Na+ closes K+ opens)

Hyperpolarization (K+ opens, Some Cl- channels open)