Question

Consider the following statement regarding human.
a. Duodenum is the longest part of small intestine
b. Hepatic and cystic ducts release their secretions into common bile duct whose opening is controlled by sphincter of Oddi
c. Ileocaecal valve is present at the junction of small intestine and large intestine
d. Mechanical digestion and chemical digestion of food occurs in buccal cavity, stomach and small intestine
Which of the following choices is correct?

• A. A and B only
• B. B and C only
• C. C and D only
• D. A, B, C and D

Answer 1

The correct option is C C and D only

a. Ileum is the longest part of small intestine.

b. Bile duct and pancreatic duct open together into the duodenum as the common hepato-pancreatic duct which is guarded by a sphincter called the sphincter of oddi.

c. Ileocaecal valve is present at the junction of small intestine and large intestine.

d. Mechanical digestion and chemical digestion of food occurs in buccal cavity, stomach and small intestine.

a and b are wrong. c and d are correct.

So, the correct answer is 'C and D only'