Digestion | Target Mdcat 2025

Question 1

The trachea lies ______ to the esophagus.

Dorsal

Ventral

Medial

Lateral

Question 2

Ebner’s glands are present in the:

Stomach

Small intestine

Salivary glands

Mouth

Question 3

Teeth adapted for cutting are:

Canine

Incisors

Premolars

Molars

Question 4

Much of mechanical digestion takes place in the:

Oesophagus

Mouth

Stomach

Duodenum

Question 5

Digestion of ______ starts in the oral cavity.

Starch

Cellulose

Fatty acids

Polypeptides

Question 6

The nasal opening is closed during swallowing by the:

Hard palate

Epiglottis

Soft palate

Larynx

Question 7

Which cells in the gastric glands produce hydrochloric acid?

Goblet cells

Zymogen cells

Chief cells

Parietal cells

Question 8

Intrinsic factor stimulates absorption of:

Vit-A

Vit-B12

Vit-K

All of them

Question 9

Which hormone stimulates secretion of gastric juice?

Gastrin

Secretin

Insulin

Cholecystokinin

Question 10

The first part of the small intestine is the:

Jejunum

Duodenum

Ileum

Colon

Question 11

Food enters the small intestine through the:

Pyloric sphincter

Cardiac sphincter

Semilunar valve

Diaphragm

Question 12

Brunner’s glands are located in the:

Stomach

Duodenum

Ileum

Colon

Question 13

The appendix arises from the:

Caecum

Anus

Stomach

Rectum

Question 14

Useful bacteria in the large intestine synthesize:

Vitamin K

Vitamin E

Vitamin D

Vitamin C

Question 15

The main function of the gall bladder is to:

Secrete bile

Secrete enzymes

Concentrate bile

All of the above

Question 16

Emulsification of fats is performed by:

Saliva

Pancreatic juice

Gastrin

Bile

Question 17

Which is NOT a function of the liver?

Detoxification

Protein synthesis

Digestion

Storage of glycogen

Question 18

Beta cells of islets of Langerhans secrete:

Glucagon

Insulin

Pancreatic juice

Parathormone

Question 19

Which enzyme digests starch?

Lipase

Pepsin

Amylase

Trypsin

Question 20

Which gland serves as both exocrine and endocrine?

Pancreas

Gonads

Adrenal gland

Both a & b

Question 21

Which enzyme activates trypsinogen?

Chymotrypsin

Enteropeptidase

Trypsin

HCl

Question 22

Pepsinogen is secreted by:

Mucus cells

Hormonal cells

Parietal cells

Chief cells

Question 23

Majority of nutrient absorption occurs in the:

Stomach

Small intestine

Large intestine

Esophagus

Question 24

The portion of stomach just after esophagus is:

Pyloric portion

Fundic portion

Body

Cardiac portion

Question 25

Role of bacteria in large intestine is to:

Break down cellulose

Absorb water

Produce intestinal juice

Synthesize vitamins