To qualify for Medicare Part A, beneficiaries have to pay Social Security taxes for how many quarter years?

You are seeing a 69-year-old female patient complaining of fatigue and nausea. She has a history of heart failure and two previous myocardial infarctions. She reports having blurred vision with halos around objects. Her blood pressure is 144/88 mmHg, her pulse is 110 and irregular, and her ventilations are 16. What should you suspect is causing her symptoms?

A) Impaired cerebral perfusion secondary to heart failure B) Acute closed-angle glaucoma C) Toxic blood levels of digoxin D) Cerebral embolus secondary to atrial fibrillation

All of the following are correct regarding bacterial meningitis EXCEPT:

A) meningococcal bacteria enter the blood causing damage to blood vessels. B) seizures and altered mental status can occur in bacterial meningitis. C) bacterial meningitis is typically less serious than viral meningitis. D) meningococcal bacterium commonly resides in the nasal passages.