Question No:1

Major function performed by buccal cavity is

[A] mastication of food
[B] facilitation of swallowing
[C] both
[D] none



Question No:2

The bolus formed in buccal cavity conveyed into pharynx and then esophagus by the process called

[A] peristalsis
[B] emesis
[C] deglutination/swallowing
[D] dysglutination



Question No:3

Mucus hi saliva helps in lubricating and adhering the masticate food particle into a ________ in buccal cavity

[A] chyme
[B] chyle
[C] bolus
[D] any of the above



Question No:4

Saliva contains

[A] Salivary amylase / Ptyalin
[B] Electrolyte (Na⁺,K⁺,CI ^–HCO^3-etc.)
[C] Lysozyme
[D] All



Question No:5

Lysozyme

[A] Anti viral agent
[B] Anti-bacterial agent
[C] Acts on lipid
[D] Acts on carbohydrates



Question No:6

Lysozyme

[A] Cellular barrier
[B] Cytokine barrier
[C] Physiological barrier
[D] Physical barrier



Question No:7

How much % of starch is hydrolyzed in mouth?

[A] 30
[B] 50
[C] 70
[D] 90



Question No:8

Optimum pH for salivary enzyme is

[A] 6.2
[B] 5.8
[C] 6.8
[D]



Question No:9

Salivary amylase acts on

[A] slightly basic Ph
[B] highly acidic pH
[C] slightly acidic pH
[D] highly basic Ph



Question No:10

Gastric glands are situated in

[A] Sub-mucosa
[B] Mucosa
[C] Muscularis
[D] Serosa



Question No:11

Match the column:
A

A. Mucus neck cells
B. Peptic or Chief cells
C. Parietal / Oxyntic cells


B

1) HCI
2) Intrinsic factor
3) Pepsinogen
4) Mucus

[A] A->4,B->3,C->1,2
[B] A -> 1, 4, B -> 2, C->2
[C] A->4, B-> 1,3,C->2
[D] A -> 4, B ->2,3 C->1



Question No:12

Which is required for absorption of Vit B,₁₂?

[A] HCI
[B] Pepsin
[C] Intrinsic factor
[D] Amylase



Question No:13

The stomach stores food for

[A] 1 hr
[B] 2-3hr
[C] 4-5 hrs
[D] 30min



Question No:14

Digestion of carbohydrates starts from

[A] buccal cavity
[B] stomach
[C] small intestine
[D] large intestine



Question No:15

Select the total number of true statement from the following.
A. In stomach bolus is converted to chime
B. Chief cells secrets intrinsic factor required for absorption of Vit B₁₂
C. Pepsinogen → HCI pepsin
D. Pepsin converts protein into amino acids.

[A] 1
[B] 2
[C] 3
[D] 4