What vessel carries blood from the liver to the heart?
a. Aorta
b. Hepatic vein
c. Thoracic duct
d. Hepatic portal vein
e. Hepatic artery
Q. 2To assist the process of digestion and absorption, it is usually best to ____.
a. eat several snacks per day so the system is not overwhelmed
b. combine different food types to enhance the absorption process
c. avoid eating meat and fruit at the same meal to prevent competition
d. take enzyme pills or powder periodically so the system can rest and rejuvenate
e. eat only one type of food at each meal in order to avoid overstimulation of acid
Q. 3When nutrients are transported from intestinal epithelial cells to the vascular system, what organ is first to receive them?
a. Liver
b. Heart
c. Lungs
d. Kidneys
e. Gallbladder
Q. 4What is a function of the intestinal microvilli?
a. Secretion of bile salts
b. Secretion of digestive acid
c. Transport of nutrient molecules
d. Transport of pancreatic enzymes
e. Stimulation of peristalsis
Q. 5What is the primary site for absorption of nutrients?
a. Crypt
b. Villus
c. Microvillus
d. Macrovillus
e. Goblet cells
Q. 6What is the name of the projections on the inner surface of the small intestine?
a. Villi
b. Cilia
c. Mesenteric vessels
d. Vascular projectiles
e. Mitochondria
Q. 7What is an important function of the intestinal villi crypts?
a. Synthesis of chylomicrons
b. Secretion of juices into the small intestine
c. Synthesis of fragments of fat for use by the colon
d. Transport of fat-soluble nutrients into the circulation
e. Storage of bile
Q. 8What is the function of bile?
a. It emulsifies fats.
b. It initiates digestion of protein.
c. It enhances absorption of complex carbohydrates.
d. It protects the stomach and small intestine from the action of hydrochloric acid.
e. It stimulates the absorption of vitamins and minerals.
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