21) Sex hormones and adrenal hormones are substances derived from which class of lipid?

A) fatty acids

B) triglycerides

C) phospholipids

D) sterols

22) Which of the following is NOT a function of fat in the human body?

A) Fat assists in the transport of fat-soluble vitamins.

B) Fat maintains the integrity of cell membranes.

C) Fat provides insulation to help retain body heat.

D) Fats make us feel hungry.

23) Which of the following organs does NOT assist in the digestion of lipids?

A) liver

B) large intestine

C) gallbladder

D) pancreas

24) The vast majority of fat digestion and absorption occurs in the

A) stomach.

B) liver.

C) small intestine.

D) large intestine.

25) To facilitate the digestion of dietary fats, the gallbladder stores and releases a substance known as

A) lipase.

B) bile.

C) hydrochloric acid.

D) bicarbonate.

26) Where in the body are the majority of triglycerides stored for future energy needs?

A) lipoproteins

B) beta cells of the pancreas

C) liver

D) adipose tissue

27) Which lipoprotein transports dietary fat out of the small intestine?

A) chylomicron

B) sterol

C) low density lipoprotein (LDL)

D) phospholipid

28) Fat leaves the chylomicron and moves into adipose cells when what substance comes in contact with it (causing the triglyceride to break up and be taken into the adipose cell)?

A) insulin

B) lipoprotein lipase

C) trypsin

D) adrenaline

29) How many calories are potentially provided by 25 grams of fat?

A) 23 kilocalories

B) 100 kilocalories

C) 225 kilocalories

D) 2,250 kilocalories

30) During exercise, which of the following triggers the breakdown of stored fat?

A) lipoprotein lipase

B) adrenaline

C) insulin

D) estrogen