Acute exposure to high altitude can affect the cardiovascular system by decreasing oxygen in the blood (acute hypoxia). It also increases demand on the heart, adrenaline release and pulmonary artery pressures.
I hope this helped:))
The correct answer is A. To get counseling related to her addiction. From there on she can get help with the withdrawals and they might put her on something with similar effects as the heroin like they do with people that abuse meth and stuff like that. D is totally not the right answer. Nobody can get a heroin prescription.