Question

Vomiting

A. Is caused by violent rhythmic contractions of gut smooth muscle.

B. Is coordinated by a vomiting centre in the mid brain.

C. Of green fluid suggests that duodenal contents have regurgitated into the stomach.

D. May be accompanied by a fall in arterial blood pressure.

E. Is more marked in low intestinal obstruction than in high intestinal obstruction.

Answer 1

A. False Forced expiratory efforts by skeletal muscles in the presence of a closed glottis and pylorus are responsible for compressing the stomach.

B. False It is coordinated by a vomiting centre in the medulla oblongata.

C. True Bile pigments enter the gut in the duodenum.

D. True This is one of several types of associated autonomic disturbance.

E. False It is more marked in high obstruction because the copious digestive secretion cannot be absorbed by the gut below the obstruction.