Steven had been "hooked" for a while before he decided to "go clean." within 6 to 12 hours, he started to experience excessive yawning, nausea and vomiting, chills, muscle aches, diarrhea, and insomnia. his behavior disrupted his work and social relationships. these symptoms persist for three days. after a week, he felt better. steven is probably withdrawing from group of answer choices a) alcohol. b) cocaine. c) heroin. d) lsd.

Christopher came down with chicken pox after spending time in his child’s day care. the chicken pox represents what link in the chain of transmission in this scenario?

A92-year-old man with a 45-year history of chronic obstructive pulmonary disease is intubated in the icu because of a bout of viral pneumonia that fails to improve after 72 hours of antibiotics. although the inspired fraction of oxygen is 100%, the patient's po2 remains at 57 mmhg. positive-end expiratory pressure (peep) is added to allow the inspired fraction of oxygen. twelve hours after the introduction of peep the patient suddenly become hypotensive. at the same time, his oxygen saturation drops from 92% to 61%. on physical examination, his bp is 80/50 mmhg and his pulse is 124/min. he has distended neck veins and distant heart sounds. which of the following would also most likely be seen on this patient's physical examination? - absence of breath sounds in the right hemithorax- high amplitude carotid artery upstroke- a pleural friction rub- pulsus alternans- splenomegaly

Once you have come to a decision, you should "go" over it and