Congestive heart failure refers to which of the following? cardiac injury resulting from repeated myocardial infarctions right-heart failure resulting from lung disease sudden cardiac death peripheral edema and dilated neck veins failure of the heart to pump effectively

failure of the heart to pump effectively

Explanation:

The congestive heart failure is a chronic medical condition which affects the blood pumping power of the heart muscles. This results in heart failure. In this condition the fluid builds up around the heart which cannot be efficiently pump out by the heart.

The symptoms includes the fatigue, rapid heartbeat, swollen legs, shortness of breath and other problems.

The treatment associated with this medical condition includes the consumption of less salt, and limiting the fluid intake. In some cases the pacemaker is implanted to recover the pumping activity of the heart muscles.

A

Step-by-step explanation:

if you don't have enough variability for every subject then some subjects are going to be left out which makes the data set skewed. (I got the question right but that was the explanation that helped me).