ABO Blood Typing Quiz
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Questions and Answers

Which blood type has both A and B antigens?

  • Type O
  • Type AB (correct)
  • Type A
  • Type B

What classifies blood based on the presence or absence of the Rh factor?

  • G-protein activation
  • Plasma membrane permeability
  • ABO system
  • Rh system (correct)

Which protein is activated by cAMP?

  • Phospholipase
  • G-protein
  • Adenylate cyclase
  • Protein kinase (correct)

What does blood type O lack on the surface of red blood cells?

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

What does DAG activate in the intracellular mechanism?

<p>Protein kinase (C)</p> Signup and view all the answers

What is the first step in the renin-angiotensin-aldosterone mechanism for regulating blood pressure?

<p>Kidneys detect decrease in BP (D)</p> Signup and view all the answers

What is the role of angiotensin II in the renin-angiotensin-aldosterone mechanism?

<p>Causes vasoconstriction and activates adrenal cortex to release aldosterone (C)</p> Signup and view all the answers

What triggers the release of vasopressin (ADH) in response to increased blood pressure?

<p>Osmoreceptors detecting change in osmotic pressure (D)</p> Signup and view all the answers

What is the function of atrial natriuretic mechanism in regulating blood pressure?

<p>Increases urine production, causing decrease in blood volume and BP (A)</p> Signup and view all the answers

What is the final step in the activation of B cells in response to an antigen?

<p>Processed antigen fragments displayed on macrophage surface (D)</p> Signup and view all the answers

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