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

Decreased cardiac output

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Increased contractility of the myocardial cells

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Systemic arteriolar dilation

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Decreased heart rate

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Solution

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

C O_{2}

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