Which statement about the recommendation for daily physical activity is true?
it should be a vigorous.
it should be a mix of moderate, low, and vigorous activity.
it should be continual and not broken into several sessions.
it should be moderate to vigorous.

Which of the following is true of vegans?

A35-year-old woman arrives on the floor after an uneventful hysteroscopy to evaluate her long history of uterine fibroids. about 30 minutes after her arrival, she begins to complain of nausea and has two episodes of vomiting. the physical administers 0.625 mg of droperidol and 400 mg of acetaminophen by mouth. on follow-up evaluation, the patient's neck is involuntarily flexed to one side. she is alert, oriented, and conversation and has an otherwise normal neurological examination. which of the following is the most likely diagnosis? - cerebral vascular accident- conversion disorder- dystonic reaction to droperidol- munchausen syndrome- seizure

The first step in treating water from a river or lake is usually