neurophysiology- Lec 2

Question 1

Which of the following is not categorised under bioamines?

A. Serotonin
B. Glycine
C. Dapimine
D. Adrenalin
E. norepinephrine

Answer 1

B.

Question 2

serotonin

released from

Answer 2

raphe nuclei (brainstem_)

Question 3

Serotonin is removed from
the synapse by ______

Answer 3

specific
transporters (SERT)

Question 4

Serotonin lifecycle
Once back in presynaptic
terminal it is either reloaded
into vesicles or broken down
by the enzyme ______

Answer 4

monoamine
oxidase (MAO).

Question 5

Serotonin is synthesizd from ____

Answer 5

Tryptophan

Question 6

Catecholamine Dopamine, Norepinephrine, and Epinephrine are synthesized from _______-

Answer 6

Tyrosine
to L-Dopa (by Tyrosine hydroxylase enzyme).

Question 7

Dopamine pathway affected in Parkinson’s disease

A. Tuberinfundibular
B. Mesocortical
C. Mesolimbic
D. Nigrostriatal

Answer 7

D

Origin:
* Substantia nigra
(midbrain)
* Projection:
* Striatum
* Function:
* Movement

Question 8

Dopamine pathway affected in Schizophrenia
A. Tuberinfundibular
B. Mesocortical
C. Mesolimbic
D. Nigrostriatal

Answer 8

C and B
* Origin:
* Ventral tegmental area
* Projection:
* Limbic System
* Nucleus accumbens
* Amygdala
* Hippocampus
* Function:
* Motivation
* Desire