Which of the following statements is incorrect? A....

Which of the following statements is incorrect? A. Absorption of simple sugar, alcohol, some water and medicines take place in stomach. B. Maximum water absorption occurs in small intestine. C. Small intestine is the major site of digestion and absorption of food. D. Fatty acid and glycerol are absorbed by lacteals. E. Nothing is absorbed in mouth and large intestine. (a) A, D and E only (b) D and E only (c) D only (d) $\mathrm{B}$ and $\mathrm{C}$ only

Which of the following statements is incorrect?
A. Absorption of simple sugar, alcohol, some water and medicines take place in stomach.
B. Maximum water absorption occurs in small intestine.
C. Small intestine is the major site of digestion and absorption of food.
D. Fatty acid and glycerol are absorbed by lacteals.
E. Nothing is absorbed in mouth and large intestine.
(a) A, D and E only
(b) D and E only
(c) D only
(d) $\mathrm{B}$ and $\mathrm{C}$ only

Key Concepts

Oral and Colonic Absorption

The mouth and large intestine are not entirely inert in terms of absorption. While the mouth is primarily a site for mechanical breakdown and has a limited absorptive role (notably for certain drugs via the sublingual route), the large intestine absorbs water and electrolytes and plays a role in absorbing certain vitamins, reflecting its involvement in fluid and electrolyte balance.

Lacteal (Lymphatic) Absorption

In the small intestine, the absorption of long-chain dietary lipids occurs via lacteals. These specialized lymphatic capillaries take up chylomicrons—a re-esterified form of fatty acids and monoglycerides formed in enterocytes. However, water?soluble molecules such as glycerol are typically absorbed directly into the blood capillaries.

Small Intestine Absorption

The small intestine is the primary location for digestion and absorption of nutrients. It absorbs most of the water, electrolytes, peptides, and carbohydrates owing to its extensive surface area provided by villi and microvilli, making it the main absorptive portion of the gastrointestinal tract.

Gastric Absorption

The stomach is capable of absorbing certain substances, such as alcohol, water, and some medications. Although it is not the major site for nutrient uptake, limited absorption of small molecules may occur here under certain conditions.

Transcript

00:01 In this question, we have been given five statements and we have to determine which these statements are incorrect.

00:08 So here the first statement is that absorption of simple sugar, alcohol and some water and medicine, it occurs in the stomach.

00:20 Now, we should first know that some part of our food or whatever we ingest occurs throughout the diet.

00:30 The elementary canal which means that there is some sort of absorption occurring in the mouth in the stomach small intestine as well as in large intestine so here the first statement it is a it is a true statement the stomach is involved in absorption of some water simple sugars and alcohol the second statement says that maximum absorption of water occurs in small intestine which me which is also again a true statement which because maximum absorption of all the food that we are consuming, it occurs in small intestine only.

01:08 Which makes the third statement also true.

01:11 That small intestine, it is the major site of digestion and absorption.

01:15 We know that there is some form of digestion occurring in stomach.

01:19 Some part of a digestion occurs in the mouth.

01:22 But the final digestion, it occurs in the small intestine only.

01:26 So it is a true statement.

01:27 The next statement is the fatty acids and glycerol.

01:30 They are absorbed by lacteus.

01:32 This is an incorrect statement...