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183172 Physiology

A 40-year-old male comes with complaint of indigestion and decreased appetite. He has a history of being treated for duodenal ulcer 4 years back. Investigation reveals elevation of gastrin levels. Which of the following statement is true regarding gastrin?

ASecreted by parietal cells of stomach
BSecreted by alpha ceils of pancreas
CDecreases bicarbonate content in pancreatic secretion
DIt gets stimulated by endoluminal peptides in stomach
Physiology
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183177 Microbiology

A 70-year-old man with a history of diabetes presents with severe pain in his right ear. The patient was diagnosed with external otitis. Further tests suggested that the patient suffered bone and nerve damage. Clinical laboratory analysis showed that the isolated microorganism produced a distinct blue pigment as well as an ADP-ribosylation toxin. What is the most likely causative agent?

AStaphylococcus epidermidis
BStaphylococcus aureus
CPseudomonas aeruginosa
DEnterococcus faecalis
Microbiology
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