Q:

In the denervated heart, left ventricular stroke work increases when

safaTerkawi
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2022-08-07
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 In the denervated heart, left ventricular stroke work increases when.

  1. The end-diastolic length of the ventricular fibres increases.
  2. Peripheral resistance rises.
  3. Blood volume falls.
  4. Right ventricular output increases.
  5. The veins constrict.
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safaTerkawi
2022-08-07
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A. True As stated in the Frank–Starling Law.

B. True This impedes ventricular outflow, thus increasing end-diastolic fibre length.

C. False This reduces cardiac filling pressure and hence end-diastolic fibre length.

D. True This tends to increase left ventricular filling pressure and end-diastolic fibre length.

E. True This also raises cardiac filling pressure

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