KROK 1 2015 – Question 36 · KROK (Medicine) · Pathophysiology
Several minutes after a dentist administered novocaine for local anaesthesia of a patient’s tooth, the following symptoms sharply developed in the patient: fatigue, skin itching. Objectively the following can be observed: skin hyperemia, tachycardia, BP dropped down to 70/40 mm Hg. What kind of allergic reaction is this pathology?
- A. Immune complex
- B. Cell-mediated immune reaction
- C. Stimulating
- D. Anaphylactic
- E. Cytotoxic
Hint
Note how soon after the injection the signs appeared and what that timing tells you about which type of hypersensitivity is involved.
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