Synaptic Transmission II

Question 1

Number of vesicles expected to participate in exocytosis

Answer 1

PN

Question 2

Probability that a vesicle will under exocytosis

Answer 2

P

Question 3

Number of vesicles available for exocytosis

Answer 3

N

Question 4

Probability that a vesicle will undergo exocytosis in absence of what

Answer 4

Calcium

Question 5

Post synaptic response to the transmitter ejected from a single vesicle

Answer 5

Quintal size

Question 6

Number of vesicles released per impulse

Answer 6

Quantum content

Question 7

Bacterial protease arising from infection or ingestion

Answer 7

Botulinum Toxin

Question 8

What enters peripheral motor neurons and cleaves synaptobrevin, disrupting acetylcholine release resulting in weakness

Answer 8

Botulinum Toxin

Question 9

Bacterial protease arising from infection

Answer 9

Tetanus Toxin

Question 10

What enters peripheral motor neurons and undergoes retrograde transport, cleaves synaptobrevin and disrupts glycine release causing muscle spasms

Answer 10

Tetanus Toxin

Question 11

What drugs block voltage-gated Ca2+ channels

Answer 11

Aminoglycoside Antibiotics

Question 12

What drug blocks voltage-gated K+ channels increasing duration of action potential by increasing influx of Ca2+

Answer 12

4-Aminopyridine

Question 13

High frequency stimulation by one presynaptic neuron

Answer 13

Temporal

Question 14

Simultaneous stimulation by several presynaptic neurons

Answer 14

Spatial summation

Question 15

Fear potentiation of acoustic startle b/c amygdala and nucleus of lateral lemniscus converge

Answer 15

Spatial summation