Drugs affecting GIT Motility - Week 5 Flashcards
1
Q
CTZ expand
A
Chemoreceptor Triggerone
2
Q
CTZ Function
A
Mediates nausea & vomiting.
3
Q
What makes CTZ effective in detecting emetic agents in systemic circulation & CSF?
A
Lack of BBB.
4
Q
Nerve input of CTZ
A
Dopaminergic/tryptaminergic.
5
Q
Vomiting centre function
A
Mediates olfactory, emotional, hormonal causes/triggers of nausea/vomiting.
6
Q
What does the vomiting centre receive input from?
A
CTZ, GIT, CVS, limbic system.
7
Q
Labyrinths via vestibular nuclei trigger
A
Nausea & vomiting associated w motion sickness.
8
Q
Labryrinths via vestibular nuclei are under what nerve control?
A
Cholinergic/histaminergic nerve control.
9
Q
Mechano/chemo-receptors GIT are under what nerve control?
A
Tryptaminergic nerve control.
