<span><span>The </span>PDR or Physicians' Desk Reference is a compilation that is published
commercially. It’s a compilation of the manufacturers’ prescribing data on drug
prescription that’s annually updated. It’s designed to give physicians the
entire information about writing prescriptions that are mandated legally. It
can be available in bookstores or libraries and is used by medical
practitioners and can even be used by average people at some point. </span>
<span>It’s available in various forms—both physically and
digitally.</span>
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Answer:(a) Pulmonary hypertension is caused by changes in the cells that line the pulmonary arteries which makes the walls of the artery to become thick resulting in the blood vessels to become tight leading to high blood pressure. It makes the tiny arteries in the lungs to become narrow making it hard for blood to flow.
Explanation:(b)this disease is caused by smoking. She smoked 2 packs of cigarette a day .
(c)about 16million adults are suffering from chronic obstruction pulmonary disease( COPD) in the US but the American lung association thinks that there may be as many as 24million people with this disease (George Krucik MD sept. 2018)
(c) COPD is a leading cause of death in the US but he art and lung cancer can can lead to death.
