vomitting

Question 1

name the 4 main centres involved in activating vomiting entre

Answer 1

CNS, vestibular system , vagal afferent system , chemoreceptor trigger zone

Question 2

cns can be triggered by

Answer 2

sight , smelling and thoughts

Question 3

vestibular system can be triggered by

Answer 3

movement and orientation loss of fluid balance activates the h1 and m1 receptors get activated activating vommiting

Question 4

vagal afferent system triggered by

Answer 4

vagal sensory neurons are activated by serotonin, H1 and M1 receptors eg. by Gi irrirtation, infection chemotherapy.

Question 5

chemreceptor trigger zone

Answer 5

situated in medulla but is located outside bbb activated via dopamine, serotonin receptors eg. via chemotherapy, opioids and anaesthetics