94. Choose the false statement: A. The actions of the muscles required for inspiration serve to...

94. Choose the false statement:

A. The actions of the muscles required for inspiration serve to increase the volume of the thoracic cavity; as a result, alveolar pressure decreases relative to atmospheric pressure.

B. Cholecystokinin is released by enteroendocrine cells in response to fat in the gut; this hormone triggers the release of digestive juices from stomach, increases gastric (stomach) motility and the rate of stomach emptying.

C. Chylomicrons carry dietary fats absorbed across the gut; these are manufactured by intestinal epithelial cells, are then transferred to the lymphatic circulation and are finally delivered into the blood venous circulation near the heart.

Expert Solution

The false statement is that Cholecystokinin triggers the release of digestive juices from stomach as it stimulates the digestion in the intestine.It causes the release of bile and pancreatic juice into the small intestine.Cholecystokinin causes the delay of food travelling from stomach to intestine and causes the stomach to be full.Enteroendocrine cell mainly secrete the gastrin.The gastrin is secreted mainly from the the pyloric antrum.

The first statement is true as we know that pressure is inversely proportional to the volume so as the thoracic volume increase the pressure will decrease and the air will rush from its high pressure to the low pressure and inspiration takes place.

Chylomicron help in the transport of the lipids in the blood stream where they are transported through the lacteals into the lymphatic system and from there they are transported to the adipose tissue and skeletal tissue and cardiac tissue.

So the right answer is B)

gladiator answered 2 years ago

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