Food and Energy Metabolism Quiz

What is the process of transforming food into units of absorption called?

• Digestion

• Excretion

• Absorption

• Metabolism

Which part of the digestive system retains the bolus for a while before transferring it?

• Small intestine

• Stomach

• Esophagus

• Mouth

What is the semi-liquid mass called that food is transformed into in the stomach?

• Acid

• Gastric juice

• Chyme

• Bolus

Which nutrient is absorbed by simple diffusion in the small intestine?

• Amino acids

• Water

• Vitamins

• Glucose

What type of energy metabolism involves the breakdown of larger molecules into smaller ones?

• Catabolic

• Endothermic

• Anabolic

• Metabolic

How many kilocalories does 1g of carbohydrates provide?

• 2 kcal

• 4 kcal

• 6 kcal

• 9 kcal

What is the primary energy reserve in the body?

• Carbohydrates

• Proteins

• Fats

• Vitamins

Which system produces lactic acid during high-intensity exercise?

• ATP-PCr system

• Oxidative system

• Glycolytic system

• Krebs cycle

What is the basic unit of protein?

• Glucose

• Fatty acid

• Amino acid

• Glycerol

What is the process called when triglycerides are broken down into glycerol and fatty acids?

• Krebs cycle

• Beta-oxidation

• Lipolysis

• Glycolysis