Dinh dưỡng ở Động vật

The diet of animals must provide three main factors, what are they?

• Chemical energy, organic materials, and essential nutrients

• Vitamins, minerals, and water

• Proteins, lipids, and carbohydrates

• Fiber, enzymes, and hormones

What is the correct order of the four stages of food processing?

• Digestion → Absorption → Ingestion → Excretion

• Ingestion → Absorption → Digestion → Excretion

• Ingestion → Digestion → Absorption → Excretion

• Absorption → Digestion → Excretion → Ingestion

What are animals that eat plants called?

• Carnivores

• Herbivores

• Omnivores

• Saprophagous

Where does the chemical digestion of carbohydrates begin and which enzyme is involved?

• Stomach, enzyme Pepsin

• Mouth, enzyme Salivary amylase

• Small intestine, enzyme Lipase

• Large intestine, no enzyme

In the stomach, what is the function of parietal cells?

• Secrete pepsinogen

• Secrete mucus

• Secrete HCl

• Secrete gastrin

What is the role of the enzyme pepsin in the stomach?

• Digests lipids into fatty acids

• Digests carbohydrates into simple sugars

• Cuts proteins into smaller polypeptides

• Neutralizes acid

In the small intestine, the process of lipid digestion is aided by bile. Where is bile produced?

• Gallbladder

• Pancreas

• Liver

• Small intestine

Which hormone stimulates the pancreas to secrete alkaline fluid (bicarbonate) to neutralize acid from the stomach?

• Gastrin

• CCK

• Secretin

• Insulin

What is the function of the hormone CCK (Cholecystokinin)?

• Stimulates the stomach to secrete HCl

• Stimulates pancreatic enzyme secretion and gallbladder contraction

• Inhibits the activity of the small intestine

• Stimulates the sensation of hunger

Where does most nutrient absorption take place?

• Oral cavity

• Stomach

• Small intestine

• Large intestine