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NURSING EXAMINATIONMCQ on Digestive System

MCQ on Digestive System

MCQ on The Digestive System

Frequently Asked MCQ quiz on the Digestive System – MCQ Quiz for Competitive Exam Preparation – These questions given will be useful for competitive exams preparation. We will be updating more mcq regularly, please follow our website regularly.

What is the primary function of the digestive system?

a) Gas exchange

b) Nutrient absorption

c) Hormone regulation

d) Blood circulation

Answer: b) Nutrient absorption

Which enzyme breaks down proteins in the stomach?

a) Amylase

b) Lipase

c) Pepsin

d) Trypsin

Answer: c) Pepsin

Where does the majority of nutrient absorption occur in the digestive system?

a) Stomach

b) Small intestine

c) Large intestine

d) Esophagus

Answer: b) Small intestine

Which organ produces bile?

a) Liver

b) Gallbladder

c) Pancreas

d) Stomach

Answer: a) Liver

What is the main function of bile in digestion?

a) Emulsify fats

b) Break down carbohydrates

c) Neutralize stomach acid

d) Absorb water

Answer: a) Emulsify fats

Which of the following is not a part of the small intestine?

a) Duodenum

b) Jejunum

c) Colon

d) Ileum

Answer: c) Colon

What is the role of mucus in the digestive system?

a) Break down nutrients

b) Neutralize stomach acid

c) Absorb water

d) Stimulate enzyme production

Answer: b) Neutralize stomach acid

Which enzyme is responsible for breaking down carbohydrates into sugars? a) Lipase b) Pepsin c) Amylase d) Trypsin Answer: c) Amylase

Which of the following organs produces insulin?

a) Liver

b) Gallbladder

c) Pancreas

d) Spleen

Answer: c) Pancreas

What is the main function of the large intestine?

a) Nutrient absorption

b) Water absorption

c) Digestion of proteins

d) Digestion of fats

Answer: b) Water absorption

Which of the following is not a component of gastric juice?

a) Pepsinogen

b) Hydrochloric acid

c) Bile

d) Mucus

Answer: c) Bile

Which hormone stimulates hunger?

a) Insulin

b) Glucagon

c) Ghrelin

d) Leptin

Answer: c) Ghrelin

What is the function of the epiglottis during swallowing?

a) Prevent food from entering the trachea

b) Produce saliva

c) Digest carbohydrates

d) Absorb nutrients

Answer: a) Prevent food from entering the trachea

Which of the following is not a function of the liver?

a) Detoxification

b) Nutrient storage

c) Digestion of fats

d) Bile production

Answer: c) Digestion of fats

Which enzyme is responsible for breaking down fats into fatty acids and glycerol?

a) Lipase

b) Amylase

c) Protease

d) Trypsin

Answer: a) Lipase

Which of the following is a function of the pancreas in digestion?

a) Production of bile

b) Storage of bile

c) Regulation of blood sugar levels

d) Absorption of nutrients

Answer: c) Regulation of blood sugar levels

What is the purpose of peristalsis in the digestive system?

a) Absorb nutrients

b) Break down fats

c) Mix food with digestive enzymes

d) Propel food through the digestive tract

Answer: d) Propel food through the digestive tract

Which of the following is not a part of the alimentary canal?

a) Esophagus

b) Stomach

c) Liver

d) Large intestine

Answer: c) Liver

Which hormone stimulates the secretion of gastric juice in the stomach?

a) Insulin

b) Glucagon

c) Gastrin

d) Ghrelin

Answer: c) Gastrin

Which of the following is a function of the gallbladder?

a) Production of bile

b) Storage of bile

c) Digestion of proteins

d) Absorption of nutrients

Answer: b) Storage of bile

What is the role of villi in the small intestine?

a) Absorb nutrients

b) Produce digestive enzymes

c) Mix food with gastric juice

d) Store bile

Answer: a) Absorb nutrients

Which enzyme converts proteins into amino acids?

a) Amylase

b) Lipase

c) Protease

d) Trypsin

Answer: c) Protease

What is the function of the sphincter muscles in the digestive system?

a) Absorb nutrients

b) Break down carbohydrates

c) Control the flow of food through the digestive tract

d) Produce bile

Answer: c) Control the flow of food through the digestive tract

Which of the following is not a function of saliva?

a) Break down fats

b) Moisturize food

c) Begin the digestion of carbohydrates

d) Kill bacteria

Answer: a) Break down fats

Which organ stores bile produced by the liver?

a) Liver

b) Gallbladder

c) Pancreas

d) Stomach

Answer: b) Gallbladder

What is the function of the pyloric sphincter?

a) Regulate the flow of food from the esophagus to the stomach

b) Regulate the flow of food from the stomach to the small intestine

c) Regulate the flow of bile from the liver to the gallbladder

d) Regulate the flow of urine from the bladder to the urethra

Answer: b) Regulate the flow of food from the stomach to the small intestine

What is the main function of the colon?

a) Absorb nutrients

b) Digest proteins

c) Digest fats

d) Absorb water and salts

Answer: d) Absorb water and salts

Which of the following is not a function of the stomach?

a) Storage of food

b) Digestion of proteins

c) Absorption of nutrients

d) Mixing food with gastric juice

Answer: c) Absorption of nutrients

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