10 Questions
What is the primary purpose of administering gastrin in the gastric hyperacidity and anacidity procedure?
To stimulate maximal acid secretion
What is the unit of measurement for free acid output in the gastric hyperacidity and anacidity procedure?
mmol/h
How is the maximal acid output (MAO) defined in the gastric hyperacidity and anacidity procedure?
As the total acid secretion for the period of 60 minutes after administration of a gastric stimulant
What is the purpose of the Schilling test in the diagnosis of pernicious anemia?
To assess Vitamin B12 absorption
What is the formula to calculate the free HCl (mM) in the gastric hyperacidity and anacidity procedure?
VNaOH (mL) x [NaOH] (mol/L) x 1000 / V Gastric specimen titrated (ml)
What is the primary cause of Vitamin B12 malabsorption in pernicious anemia?
Intrinsic factor (IF) deficiency
What is the duration of the collection period in the gastric hyperacidity and anacidity procedure?
60 minutes
How is the peak acid output (PAO) calculated in the gastric hyperacidity and anacidity procedure?
As the average of the highest TWO free acid output values
What is the purpose of titration with 0.1 N NaOH in the determination of free HCl?
To neutralize the free HCl up to pH 3.5
What is the formula to calculate the free acid output (mmol/h) in the gastric hyperacidity and anacidity procedure?
mmol free acid/L x sample volume (L) x BAO/PAO ratio
This quiz covers the anatomy and function of the gastrointestinal tract, including the stomach, its functional parts, and the process of protein digestion and absorption. It also touches on the physiology of the gastrointestinal organs and their secretions.
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