Cardiac tamponade results in ineffective pumping of blood by the heart because the excessive amount of fluid in the pericardial cavity will _________.a. prevent the visceral layer of the serous pericardium from properly surrounding the heart b. prevent the heart from filling properly with blood c. prevent proper oxygenation of the blood d. interfere with the ability of this fluid to lubricate the serous membranes

1 answer
Question:

Cardiac tamponade results in ineffective pumping of blood by the heart because the excessive amount of fluid in the pericardial cavity will _________.a. prevent the visceral layer of the serous pericardium from properly surrounding the heart
b. prevent the heart from filling properly with blood
c. prevent proper oxygenation of the blood
d. interfere with the ability of this fluid to lubricate the serous membranes

Answers

Answer:b. prevent the heart from filling properly with bloodExplanation:The pericardial cavity is the cavity present between the visceral pericardium and the parietal pericardium. It is filled with a fluid called pericardial fluid. In cardiac tamponade, there is an accumulation of excess of the fluid in the pericardial cavity.  The fluid builds up the pressure which in turn compresses the heart.  Ventricles of the compressed hearts are not completely filled with blood resulting in reduced cardiac output. Similarly, the return of blood to the heart atria via veins is also reduced in the compressed heart.  

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