71.Which of the following is a characteristic of cholesterol?

a.It is absorbed directly into the blood.

b.It is a precursor for bile and vitamin D synthesis.

c.It is not formed in the body when provided by the diet.

d.It is found in abundance in tropical fats such as palm oil.

72.Which of the following reflects current dietary advice about  cholesterol?

a.An individual consuming a 2000 kcal diet should eat no more than 300 mg cholesterol per day.

b.Intake of “good cholesterol” is encouraged, but intake of “bad” cholesterol should be as low as possible.

c.Cholesterol from plant sources should be consumed daily to reduce the absorption of cholesterol from animal sources.

d.There are no formal recommendations regarding dietary cholesterol since intake is much lower than endogenous synthesis.

73.Which of the following compounds may be synthesized from cholesterol?

a.cholecystokinin (CCK)

b.glucose

c.vitamin C

d.sex hormones

74.Which of the following is  a destination for cholesterol in the body?

a.synthesis into bile in the liver

b.excretion in the urine

c.accumulation on walls of veins

d.storage within triglycerides in adipose tissue

75.Which of the following describes the main path of bile in the body?

a.synthesized in the liver, stored in the gallbladder, reabsorbed from the small intestine

b.synthesized from cholesterol in the small intestine, reabsorbed in the large intestine, stored in the gallbladder

c.synthesized in the gallbladder, emulsifies fat in the small intestine, reabsorbed in the large intestine

d.synthesized in the gallbladder, emulsifies fat in the small intestine, excreted in feces via the colon.

76.Bile is known to assist in the absorption of which of the following nutrients?

a.fat only

b.protein only

c.carbohydrate only

d.fat and protein only

77.Which of the following organs is the storage site of bile?

a.liver

b.pancreas

c.gallbladder

d.common bile duct

78.What term may be used to describe a substance that is hydrophobic?

a.lipophilic

b.lipophobic

c.glycerophilic

d.glycerophobic

79.In the digestion of fats, emulsifiers function as which of the following compounds?

a.enzymes

b.hormones

c.detergents

d.chylomicrons

80.Which of the following lipase enzymes is responsible for most fat digestion in adults?

a.gastric lipase.

b.intestinal mucosal lipase

c.salivary gland lipase (lingual lipase)

d.pancreatic lipase