Digestive System MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Digestive System, a fundamental topic in the field of IC22 Life Insurance Underwriting. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Digestive System MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Digestive System mcq questions that explore various aspects of Digestive System problems. Each MCQ is crafted to challenge your understanding of Digestive System principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace IC22 Life Insurance Underwriting tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Digestive System MCQs are your pathway to success in mastering this essential IC22 Life Insurance Underwriting topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Digestive System. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Digestive System knowledge to the test? Let's get started with our carefully curated MCQs!

Digestive System MCQs | Page 2 of 17

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Q11.
What is the main function of the digestive system?

a.

Digestion

b.

Respiration

c.

Circulation

d.

Excretion

Discuss
Answer: (a).Digestion Explanation:The main function of the digestive system is digestion, which involves the conversion of complex foods into chemical substances small enough to be absorbed by the body.
Q12.
What is the function of the lower esophageal sphincter?

a.

To prevent backflow of gastric contents into the esophagus

b.

To mix and digest food

c.

To absorb nutrients

d.

To expel waste products of digestion

Discuss
Answer: (a).To prevent backflow of gastric contents into the esophagus Explanation:The lower esophageal sphincter is a ring-like muscle that separates the esophagus from the stomach and prevents the backflow of gastric contents into the esophagus.
Q13.
Which organ stores and empties the digested food at regular intervals?

a.

Mouth

b.

Pharynx

c.

Stomach

d.

Small intestine

Discuss
Answer: (c).Stomach Explanation:The stomach is the organ that stores and mixes the digested food and empties it at regular intervals into the small intestine.
Q14.
What are the accessory glands and organs that play a role in the process of digestion?

a.

Salivary gland, liver, gall bladder, and pancreas

b.

Kidney, bladder, spleen, and pancreas

c.

Heart, lung, brain, and pancreas

d.

Stomach, small intestine, large intestine, and rectum

Discuss
Answer: (a).Salivary gland, liver, gall bladder, and pancreas Explanation:The accessory glands and organs that play a role in the process of digestion include the salivary gland, liver, gall bladder, and pancreas.
Q15.
What are the three main functions of the digestive system?

a.

Absorption, secretion, excretion

b.

Digestion, elimination, respiration

c.

Digestion, absorption, defecation

d.

Circulation, elimination, absorption

Discuss
Answer: (c).Digestion, absorption, defecation Explanation:The three main functions of the digestive system are digestion, absorption, and defecation.
Q16.
What is the process by which complex foods are converted into chemical substances small enough to be absorbed through the intestinal lining?

a.

Elimination

b.

Absorption

c.

Digestion

d.

Circulation

Discuss
Answer: (c).Digestion Explanation:The digestion is the process by which complex foods are converted into chemical substances small enough to be absorbed through the intestinal lining.
Q17.
What is the function of the pyloric sphincter?

a.

To prevent backflow of gastric contents into the esophagus

b.

To absorb nutrients from food

c.

To aid in the digestion of food

d.

To allow food to pass from the stomach into the intestine

Discuss
Answer: (d).To allow food to pass from the stomach into the intestine Explanation:The pyloric sphincter allows food to pass from the stomach into the intestine.
Q18.
What is the role of saliva in the digestive process?

a.

To mix with food and initiate the process of digestion

b.

To absorb nutrients from food

c.

To aid in the elimination of waste products of digestion

d.

To prevent backflow of gastric contents into the esophagus

Discuss
Answer: (a).To mix with food and initiate the process of digestion Explanation:Saliva, by its enzymatic action, initiates the process of digestion by mixing with food in the mouth.
Q19.
What are the three parts of the stomach?

a.

Duodenum, jejunum, ileum

b.

Esophagus, fundus, pylorus

c.

Fundus, body, pylorus

d.

Mouth, pharynx, esophagus

Discuss
Answer: (c).Fundus, body, pylorus Explanation:The stomach is broadly divided into three parts: fundus (upper portion), body (middle portion), and pylorus (terminal/lower portion).
Q20.
What is the function of the small intestine?

a.

To store digested food

b.

To absorb water from waste material

c.

To mix food with saliva

d.

To prevent backflow of food into the ileum

Discuss
Answer: (b).To absorb water from waste material Explanation:The small intestine's main function is the digestion and absorption of food, and it is also responsible for absorbing most of the water within the waste material.
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