KROK 1 2011 – Question 42 · KROK (Medicine) · Physiology

During preparation of a patient to a heart surgery it was necessary to measure pressure in heart chambers. In one of them pressure varied from 0 mm Hg up to 120 mm Hg within one cardiac cycle. What heart chamber is it?

  1. A. Left ventricle
  2. B. Right atrium
  3. C. Right ventricle
  4. D. Left atrium
  5. E. -
Hint

Consider which chamber ejects into the circuit with the highest resistance, and what systolic and diastolic pressures it should therefore show.

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