Digestion & Absorption - FN

In which part of the digestive system does the process of mechanical digestion primarily occur?

• Mouth

• Stomach

• Duodenum

• Ileum

Which enzyme is responsible for breaking down starches into simpler sugars in the mouth and small intestine?

• Invertase

• Lipase

• Rennin

• Amylase

Which enzyme is responsible for the breakdown of lipids (fats) in the small intestine?

• Invertase

• Amylase

• Lipase

• Rennin

What is the role of bile in the digestive process?

• Break down proteins.

• Emulsify fats.

• Convert starches into sugars.

• Activate salivary amylase.

The first part of the small intestine, where most chemical digestion and nutrient absorption occur, is known as the:

• Jejunum

• Ileum

• Duodenum

• Colon

What is the primary function of villi in the small intestine?

• To store nutrients

• To secrete digestive enzymes

• To increase surface area for absorption

• To produce bile

Which enzyme is responsible for the coagulation of milk proteins in the stomach of infants?

• Amylase

• Lipase

• Rennin

• Invertase

What is the primary function of the gallbladder in the digestive process?

• Secretion of digestive enzymes

• Storage and concentration of bile

• Absorption of water and electrolytes

• Synthesis of digestive enzymes

The pancreas plays a crucial role in digestion by releasing enzymes into which part of the digestive system?

• Stomach

• Duodenum

• Ileum

• Colon

In the digestive process, which enzyme is responsible for the initial breakdown of proteins in the stomach?

• Pepsin

• Amylase

• Invertase

• Trypsin