KROK 1 2010 – Question 44 · 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?
- A. Right atrium
- B. Left atrium
- C. Left ventricle
- D. Right ventricle
- E. -
Hint
Compare the lowest and highest pressures of the four chambers during one cardiac cycle and ask which chamber has to overcome the highest resistance to eject its blood.
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