Gastric Juice Components Quiz
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Questions and Answers

Which enzyme is responsible for catalyzing protein digestion in the gastric juice?

  • Lipase for fats digestion
  • Pepsin secreted by chief peptic cells (correct)
  • Rennin for milk coagulation
  • Gastricsin with unknown importance

Which component is primarily responsible for providing acidity in the gastric juice?

  • Mucus secreted by goblet cells
  • Electrolytes like H+ and Na
  • HCl secreted by parietal cells (correct)
  • Mineral acid chiefly acid phosphates

What is the primary electrolyte present in the gastric juice?

  • Na
  • Ca
  • H+ (correct)
  • Cl

Which method of collection is used for obtaining gastric juice specimens?

<p>Aspiration (B)</p> Signup and view all the answers

What is the recommended volume for a normal gastric juice specimen?

<p>5 - 10 mL fluid (A)</p> Signup and view all the answers

Dimethylaminooazobenzol turns cherry red in the presence of free HCl:

<p>True (A)</p> Signup and view all the answers

The indicator for titrating free HCl is Dimethylaminooazobenzol:

<p>True (A)</p> Signup and view all the answers

The endpoint for titrating free HCl is canary yellow:

<p>True (A)</p> Signup and view all the answers

The presence of fragments of tissues in gastric fluid can indicate stomach cancer:

<p>True (A)</p> Signup and view all the answers

The presence of RBCs in gastric fluid can indicate bleeding, such as from a peptic ulcer or esophageal varices:

<p>True (A)</p> Signup and view all the answers

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