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Exam questionKROK 1Dentistry ยท 2015

As a result of a rapid change from horizontal to vertical body position a 16-year-old girl lost consciousness. What is the reason for it?

Answer options

  1. Heart rate decrease
  2. Decreased venous return
  3. -
  4. Increased venous return
  5. Arterial pressure rise
Correct answer

Decreased venous return

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