KROK 1 2023 – Question 88 · KROK (Medicine) · Pathophysiology

After an industrial accident, a man was exposed to potassium cyanide, which resulted in cytochrome oxidase blockade in this man. What pathological process can be observed in the patient in this case?

  1. A. Tissue hypoxia
  2. B. Respiratory hypoxia
  3. C. Hemic hypoxia
  4. D. Hypoxic hypoxia
  5. E. Circulatory hypoxia
Hint

Compare the types of hypoxia by what is impaired: oxygen in the inspired air, gas exchange, oxygen-carrying capacity of blood, blood flow, or something inside the cell; then ask what cytochrome oxidase does.

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