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GIT Motility & Secretion - Semester 4 Control Module

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GIT Motility & Secretion - Semester 4 Control Module

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Questions and Answers

What is the main function of the digestive system?

Breakdown of proteins, fats, and carbohydrates into simple particles (correct)

Production of hormones for metabolism

Generation of energy through photosynthesis

Transporting nutrients to various body parts

Which system controls the motility and secretion in the gastrointestinal tract?

Nervous system (correct)

Muscular system

Skeletal system

Endocrine system

Which nerve supplies the distal half of the colon, rectum, and anus?

Vagus nerve

Phrenic nerve

Pelvic nerve (correct)

Spinal nerve

What is the role of parasympathetic fibers in the gastrointestinal tract?

Increase motor activities and secretory functions Signup and view all the answers

Which part of the gastrointestinal tract does the vagus nerve supply?

Esophagus, stomach, pancreas Signup and view all the answers

What is the significance of motility in the gastrointestinal tract?

Aiding in digestion and content propulsion Signup and view all the answers

What is the function of Auerbach's plexus in the enteric nervous system?

Controls GIT motility Signup and view all the answers

Where do most postganglionic sympathetic fibers terminate?

Neurons of enteric nervous system Signup and view all the answers

How does sympathetic stimulation affect the GIT sphincters?

Induces contraction Signup and view all the answers

Which hormones are considered local hormones in the context of GIT motility and secretion?

Gastrin and cholecystokinin Signup and view all the answers

Where is Meissner's plexus located within the gut wall?

Submucosa Signup and view all the answers

Which cells secrete polypeptide hormones acting on the GIT and considered local hormones?

Entero-endocrine cells Signup and view all the answers