University revision · Immunology

Hypersensitivity Reactions

Question 1 of 9 Course: Biomedical Science(Degree)

True or False: Histamine is a neurotransmitter involved in the sleep-wake cycle.

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Intravascular hemolysis (like in an acute ABO incompatibility) results in the rapid destruction of red cells within the bloodstream. This leads to hemoglobinemia (pink/red plasma), hemoglobinuria (red/brown urine), a sharp drop in serum haptoglobin (which binds free hemoglobin), and a rise in lactate dehydrogenase (LDH) and indirect bilirubin.

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