Synaptic transmission

Question 1

Fast signaling neurotransmitters (2)

Answer 1

Glutamate

GABA

Question 2

Slow signaling neurotransmitters (4)

Answer 2

Dopamine
Noradrenaline (Norepinephrine)
Seratonin
Acetycholine

Question 3

(High/low) Na+ concentration outside cell

Answer 3

High

Question 4

(High/low) K+ concentration outside cell

Answer 4

Low

Question 5

At rest, cell membrane is much more permeable to ___ than ___

Answer 5

K+

Na+

Question 6

Round clear vesicles

Answer 6

glutamate

Question 7

Has electron-dense post-synaptic density

Answer 7

Glutamate

Question 8

Flattened, clear vesicles

Answer 8

GABA

Question 9

Has inconspicuous post-synaptic density

Answer 9

GABA

Question 10

Round electron-dense vesicles

Answer 10

Bioagenic amines

Question 11

Has variable post-synaptic density

Answer 11

Bioagenic amines

Question 12

___ opens Na+ channels

Answer 12

Glutamate

Excitatory

Question 13

___ opens Cl- channels

Answer 13

GABA

Inhibitory

Question 14

Low molecular weight amino acids

Answer 14

Glutamate
GABA
Aspartate (excitatory)
Glycine (inhibitory)

Question 15

Most widely used neurotransmitters in brain

Answer 15

Low molecular weight AA

Question 16

Present in cells throughout body at high levels

Answer 16

Low molecular weight AA

Question 17

Stiff person syndrome

Answer 17

Functional impairment of spinal interneurons due to autoimmune antibodies directed against GAD (synthesizes GABA)