The Valsalva manoeuvre is followed by a decrease in A. Intrapleural p

1.	The Valsalva manoeuvre is followed by a decrease in A. Intrapleural pressure. B. Intra-abdominal pressure. C. Cardiac output. D. Arterial blood pressure. E. Heart rate.
Answer» A. True It returns to its normal negative value. B. True It also returns to normal. C. False It rises as blood surges back to the central circulation. D. False It rises due to the great increase in cardiac output. E. True A reflex response to the surge in arterial pressure.

The Valsalva manoeuvre is followed by a decrease in A. Intrapleural pressure. B. Intra-abdominal pressure. C. Cardiac output. D. Arterial blood pressure. E. Heart rate.

Answer»

A. True It returns to its normal negative value.

B. True It also returns to normal.

C. False It rises as blood surges back to the central circulation.

D. False It rises due to the great increase in cardiac output.

E. True A reflex response to the surge in arterial pressure.

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The Valsalva manoeuvre is followed by a decrease in A. Intrapleural pressure. B. Intra-abdominal pressure. C. Cardiac output. D. Arterial blood pressure. E. Heart rate.

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