| |
While nausea is an
essentially subjective experience, vomiting is entirely objective.
Definitions utilized for clinical research purposes are summarized
below.
| Table
4: Sample Size
|
|---|
|
Nausea
| Vomiting
|
|---|
| An
unpleasant feeling that is accompanied by changes in
autonomic nervous system activity, particularly parasympathetic
activity, diminished gastric tone and reduced peristalsis.
The contents of the intestines will sometimes reflux
into the stomach as a result of the retrograde duodenal
peristalsis (Allan,
1987) | Forceful
emptying of the gastric contents via the sustained action
of abdominal muscles and the opening of the gastric
cardia.(Craig
et al., 1987) |
|
Question
1.1
Based on your current
knowledge, choose two statements below that you think are true.
|