Chylomicrons are
micelles covered by a protein coat
droplets along with triglycerides
triglycerides along with monosaccharides
glycerol droplets formed in intestine after digestion of fats
Which among the following hormone binds to H2 receptor and stimulates the gastric acid secretion in stomach?
Gastrin
Serotonin
Histamine
Somatostatin
Read the following statements about dentition.
I. Dentistry refers to the study of teeth.
II. Endodontics is the prevention and correction of abnormally aligned teeth.
III. Orthodontics is the treatment of abnormal conditions of tissues immediately surrounding the teeth.
IV. Periodontics is the prevention, diagonsis and treatment of dental diseases.
Choose the correct explanation.
Only I
I and II
II and III
I, II, III and IV
Which of the following helps in the absorption of Vitamin-B12?
Pepsin
Bile juice
Castle's intrinsic gastric factor
Cholecy stokinin
Match the column I with column II and choose the correct option.
Column I | Column II |
A. Goblet cells | 1. Antibacterial agent |
B. Lysozyme | 2. Mucous |
C. Saliva | 3. HCl |
D. Oxyntic cells | 4. Sublingual gland |
A - 3; B - 1; C - 4; D - 2
A - 2; B - 3; C - 1; D - 4
A - 1; B - 3; C - 4; D - 2
A - 2; B - 1; C - 4; D - 3
Muscular movements of alimentarey canal are known as
peristalsis
diastole
systole
muscles contraction
Pepsin acts in
basic medium
acidic medium
neutral medium
All of these
B.
acidic medium
Pepsin acts in an acidic medium. The HCl present in the stomach provides the pH (1-2) necessary to ensure the activation of pepsinogen to active form pepsin.