The dental formula for milk teeth is 2102/2102 , so premolars are absent in the primary dentition.

Correct Option: A

The dental formula for milk teeth is 2102/2102 , so premolars are absent in the primary dentition.

The sphincter of Oddi (or hepatopancreatic sphincter) is a muscular valve that controls the flow of digestive juices (bile and pancreatic juice) through the ampulla of Vater into the second part of the duodenum.

Correct Option: D

The sphincter of Oddi (or hepatopancreatic sphincter) is a muscular valve that controls the flow of digestive juices (bile and pancreatic juice) through the ampulla of Vater into the second part of the duodenum.

Total number of teeth in a human child is 20. In primary dentition premolars are absent.

Correct Option: B

Total number of teeth in a human child is 20. In primary dentition premolars are absent.

In hepatic portal system, hepatic portal vein drains blood to liver from intestine.

Correct Option: C

In hepatic portal system, hepatic portal vein drains blood to liver from intestine.

– Kupffer-cells are phagocytic cells present in liver.
– Zymogen cells are enzyme producing cells which are secreted by pancreas.
– Paneth cell secrete lysozyme which acts as anti-bacterial agent, into the lumen of intestine.
– Argentaffin cells are hormone producing cells.

Correct Option: A

– Kupffer-cells are phagocytic cells present in liver.
– Zymogen cells are enzyme producing cells which are secreted by pancreas.
– Paneth cell secrete lysozyme which acts as anti-bacterial agent, into the lumen of intestine.
– Argentaffin cells are hormone producing cells.