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Alattar Q4 Ultimate Final Exam Questions and Answers 100% Solved

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Alattar Q4 Ultimate Final Exam Questions and Answers 100% Solved The production of stomach acid is Stimulated by - Gastrin HCL Secretion stops when pH is - ~2 Stomach acid - Converts pepsinogen to pepsin A sphincter is composed of - muscular and circular valve in the GI tract that controls th...

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  • October 20, 2024
  • 24
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Alattar Q4
  • Alattar Q4
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JOSHCLAY
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

Alattar Q4 Ultimate Final Exam

Questions and Answers 100% Solved


The production of stomach acid is Stimulated by - ✔✔Gastrin

HCL Secretion stops when pH is - ✔✔~2

Stomach acid - ✔✔Converts pepsinogen to pepsin

A sphincter is composed of - ✔✔muscular and circular valve in the GI tract

that controls the flow of food stuff

Cardiac sphincter - ✔✔is between the eseophagus and the stomach

Sphincter of Oddi - ✔✔is between the pancreatic duct and duodenum

Duodenum is the - ✔✔primary site of digestion

the source of bicarbonate ions in the intestinal tract is - ✔✔from the

pancreas

The large intestine functions involve - ✔✔the absorption of water, some

minerals, vitamins

The pancreas produces - ✔✔glucagon and insulin

,©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

The myenteric plexus controls - ✔✔the movement of the intestinal tract

The meissner's plexus controls - ✔✔the GIT secretions and blood flow

Acetylcholine - ✔✔excites the enteric neurons

Norepinephrine - ✔✔inhibits enteric neurons

The defecation reflex - ✔✔is cotrolled by the sacral parasympathetic

(S,2,3,4)

Inhibition ofthe intestine smooth muscles is controlled by - ✔✔the

sympathetic ( T5-L2)

Cholecystokinin - ✔✔is secreted by "I" cells in the mucosa of duodenum

and jejunum

Secretin - ✔✔is secreted by "S" cells in the mucosa of the duodenum

Gastric inhibitory peptide - ✔✔is secreted by the mucosa of Upper GI.

The law of guts: - ✔✔the directional movement of peristaltic waves is

always toward the anus

Peristalsis - ✔✔is a ring of contraction propelling material along the GI tract

Segmentation - ✔✔is a back-and-forth action that breaks apart food

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

intestinal mass movement - ✔✔is a peristaltic wave that contracts over a

large area of the large intestine to help eliminate waste

During active absorption the blood flow - ✔✔increases eight folds

Vasodilation during intestinal activities is induced by - ✔✔cholecystokinin,

vasoactive intestinalpeptides, gastrin and secretin

Decreased O2 concentration in the intestinal circulation - ✔✔stimulates the

release of adenosine

Mastication is the - ✔✔vertical movements of the jaw which crush the food

particles between teeth

Saliva contains - ✔✔Lysozyme to kill bacteria

Deglutition is the - ✔✔Reflex of passing anything from the mouth through

the esophagus to the stomach

Swallowing is - ✔✔Voluntary - first 1/3 of the process

20% of total alcohol absorption occurs in - ✔✔the stomach

The Stomach - ✔✔holds food for 2-4 hours

A goblet cell is - ✔✔single cell mucus gland

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