Sympathetic Pathway Blockers Flashcards
1
Q
Phenylalanine————>Tyrosine
A
Phenylalanine Hydroxilase
2
Q
Tyrosine——-> DOPA
A
Tyrosine Hydroxilase
3
Q
DOPA——-> Dopamine
A
DOPA Decarboxylase
4
Q
Dopamine ——-> NA
A
Takes place inside VMAT
Dopamine Hydroxilase
5
Q
VMA
A
Vanilyl Mandellic Acid
Marker for PHEOCHROMOCYTOMA
6
Q
Marker for Pheochromocytoma
A
VMA - vanilyl mandellic acid
7
Q
Tyrosine is precursor to?
A
Catecholamines
Melatonin
T3,T4
8
Q
⛔️Tyrosine Hydroxilase
A
METYROSINE
——-> HTN Tx.
9
Q
VMAT blocker
A
RESERPINE (now banned)
——> HTN Tx
10
Q
VMAT 2 blocker
A
TETRABENZINE
vmat 2 - special vmat in CNS
11
Q
DOC for huntington’s chorea
A
TETRABENZINE
12
Q
NA release Blockers
A
- GUANETHIDINE
- BRETYLIUM
——> HTN tx