Start Quiz: Anatomy & Physiology: Metabolism and Nutrition

Question: The Krebs cycle converts ________ through a cycle of reactions. In the process, ATP, ________, and ________ are produced.

Choices:

acetyl CoA; FAD, NAD

acetyl CoA; FADH2; NADH

pyruvate; NAD; FADH2

pyruvate; oxygen; oxaloacetate

Question: The gallbladder provides ________ that aid(s) in transport of lipids across the intestinal membrane.

Choices:

lipases

cholesterol

proteins

bile salts

Question: When NAD becomes NADH, the coenzyme has been ________.

Choices:

reduced

oxidized

metabolized

hydrolyzed

Question: Glycolysis results in the production of two ________ molecules from a single molecule of glucose. In the absence of ________, the end product of glycolysis is ________.

Choices:

acetyl CoA, pyruvate, lactate

ATP, carbon, pyruvate

pyruvate, oxygen, lactate

pyruvate, carbon, acetyl CoA

Question: A monosaccharide is formed from a polysaccharide in what kind of reaction?

Choices:

oxidation-reduction reaction

anabolic reaction

catabolic reaction

biosynthetic reaction

Question: When NAD+ becomes NADH, the coenzyme has been ________.

Choices:

reduced

oxidized

metabolized

hydrolyzed

Question: Anabolic reactions use energy by ________.

Choices:

turning ADP into ATP

removing a phosphate group from ATP

producing heat

breaking down molecules into smaller parts

Question: Which pathway produces the most ATP molecules?

Choices:

lactic acid fermentation

the Krebs cycle

the electron transport chain

glycolysis

Question: Lipids in the diet can be ________.

Choices:

broken down into energy for the body

stored as triglycerides for later use

converted into acetyl CoA

all of the above

Question: If anabolic reactions exceed catabolic reactions, the result will be ________.

Choices:

weight loss

weight gain

metabolic rate change

development of disease

Question: Aerobic cellular respiration results in the production of these two products.

Choices:

NADH and FADH2

ATP and pyruvate

ATP and glucose

ATP and H2O