In a healthy individual, the pericardial sac contains between how many milliliters of fluid?

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Multiple Choice

In a healthy individual, the pericardial sac contains between how many milliliters of fluid?

Explanation:
Normal pericardial fluid volume is about 15–50 mL. This small amount provides lubrication between the visceral and parietal layers so the heart can beat with minimal friction. The pericardial cavity maintains this balance through production and absorption; staying within this range keeps the heart moving smoothly. If the fluid volume rises significantly beyond this range, a pericardial effusion can develop and potentially impair heart filling. Conversely, too little fluid would not permit adequate lubrication. So, 15–50 mL best fits the healthy adult range.

Normal pericardial fluid volume is about 15–50 mL. This small amount provides lubrication between the visceral and parietal layers so the heart can beat with minimal friction. The pericardial cavity maintains this balance through production and absorption; staying within this range keeps the heart moving smoothly. If the fluid volume rises significantly beyond this range, a pericardial effusion can develop and potentially impair heart filling. Conversely, too little fluid would not permit adequate lubrication. So, 15–50 mL best fits the healthy adult range.

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