Histamine

I receptor antagonists can prevent vomiting, especially morning sickness,

although they can cause drowsiness and sedation.

The

vomiting center contains muscarinic receptors which, when are stimulated,

trigger vomiting.

Antiemetic

medications can prevent vomiting.

While

vomiting, the lower esophageal sphincter relaxes, the diaphragm and abdominal

muscles contract.

Vomiting

reflex can be stimulated by the cerebrum, especially when a person experiences

pain, smells something repulsive, or sees something ugly (for some patients it

can be blood).

Muscarinic

receptor antagonists block the receptors in the

While

vomiting, the heart rate goes down.

The

vomiting center is located within cerebellum, namely medulla oblongata.

The

epiglottis does not close while a person is vomiting.

Emetic

reflex is not vomiting reflex.