SMALL INTESTINE/RAPID QUESTIONS JONES

Which of the following are the functions of the small intestine? Select all that apply

• Secretion – mucous, electrolytes, hormones and fluid

• Motility functions – movement of food down intestine and mixing

• Digestion – location for most chemical digestion

• Absorption – epithelial cells transport digested nutrients

   

How many liters of fluids because of secretions are taken from our intracellular and secreted into the extracellular of the digastric tract in the lumen?

• 2

• 7

• 4

• 3

Which of the following glands secrete mucous in alkaline solutions, protect the duodenum and to help neutralize the acid?

• Keffner cells

• parotid gland

• Brunner glands

• D cells

Which of the following are TRUE about Brunner glands? Select all that apply

• Stimuli: distention, irritation, vagus activity, secretin

• Inhibition: sympathetics

• mucous secreting glands found mainly in the duodenum – secrete an alkaline mucus

• Inhibition: Parasympathetics

Which of the following are the mucous secreting cells in the small intestine?

• D cells

• goblet cells

• S cells

• I cells

We are going to have epithelial cells (Endocytes) in the small intestine specifically in the ______________

• intestinal villi cells

• intestinal crypts cells

Which of the following cells are found in the lower region of the crypt and become SECRETORY cells.

• goblet cells

• stem cells

Which of the following are cells of our immune defense (defensive cells) system in the small intestine?

• paneth cells

• goblet cells

• stem cells

Which of the following cells secrete CCK and stimulate digestion and motility, inhibit gastric emptying?

• S cells

• I cells

• K cells

Which of the following cells secrete secretin and stimulate  bicarbonate secretion from ducts, decrease gastric HCl secretion, decrease intestinal motility?

• S cells

• I cells

• K cells