Digestive System Physiology

Physical digestion takes place at

• 1 and 3

• 1 and 4

• 3 and 4

• 1, 3 and 4

Which of the following organs produces digestive juice that does not contain enzymes?

• liver

• mouth

• stomach

• pancreas

Amylase is secreted by

• salivary glands only

• pancreatic glands only

• Salivary and pancreatic glands

• liver and small intestine

Protein digestion takes place

• in the mouth

• in the stomach

• in the stomach and duodenum

• all of the above

This is the enzyme that works on protein.

• pepsin

• HCl

• Bicarbonate

• Lactase

In which order do these events occur in human nutrition? *2014 Q25

• digestion-ingestion-absorption-assimilation

• digestion-ingestion-assimilation-absorption

• ingestion-digestion-absorption-assimilation

• ingestion-digestion-assimilation-absorption

Which of the following is the correct order for the major parts of the gastrointestinal tract?

• oesophagus, stomach, large intestine, small intestine, mouth

• mouth, stomach, oesophagus, large intestine, small intestine

• mouth, small intestine, stomach, oesophagus, large intestine

• mouth, oesophagus, stomach, small intestine, large intestine

Which of the following organs is primarily responsible for nutrient absorption?

• A) Stomach

• B) Small intestine

• C) Large intestine

• D) Pancreas

What is the role of bile in the digestive system?

• A) Breaks down carbohydrates

• B) Emulsifies fats

• C) Digests proteins

• D) Neutralizes stomach acid

Which enzyme is responsible for breaking down carbohydrates in the mouth?

• A) Pepsin

• B) Amylase

• C) Lipase

• D) Trypsin

Tags

NGSS.MS-LS1-7