Test Three: Intro To CNS Drugs

Question 0

What form of neuron communication do CNS drugs interfere with?

Answer 0

Analog encoding- chemical neurotransmission

Question 1

What type of neuron signaling do local anesthetics block?

Answer 1

Digital encoding- reduces frequency of APs by blocking sodium channels

Question 2

Neurotransmitter criteria

Answer 2

Synthesized in the pre-synaptic nerve
Stored in vesicles
released upon stimulation
rapid inactivation

Question 3

Examples of biogenic amines

Answer 3

Epi, norepi, serotonin, histamine, dopamine, acetylcholine

Question 4

Where in the CNS is Ach used?

Answer 4

Ventral/motor spinal cord, projections from cerebral cortex, limbic system, and thalamus

Question 5

What are the types of receptors for acetylcholine?

Answer 5

Muscarinic, nicotinic, and neuromuscular junctions

Question 6

Functions of Ach

Answer 6

mediates / modulates arousal , respiration,

motor activity, pain, vertigo, and memory

Question 7

Drugs used to treat amid and odd disorders

Answer 7

anxiolytics, MAOI and tricyclic antidepressants