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Question

If the blood pressure is too low, the cardiovascular control centre in the medulla oblongata attempts to compensate by causing a/an _______.


  1. Increased contractility of the myocardial cells

  2. Decreased heart rate

  3. Systemic arteriolar dilation

  4. Decreased cardiac output


Solution

The correct option is A

Increased contractility of the myocardial cells


If the blood pressure is too low, the cardiovascular control centre in the medulla oblongata attempts to compensate by causing an increased contractility of the myocardial cells.

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