Which is a true statement about nicotine? a. nicotine is less addictive as alcohol, cocaine, or heroin. b. smokers experience little or no nicotine withdrawal when they quit. c. nicotine addiction causes more disease and death than all other addictions combined. d. nicotine users do not have a physical need for the substance.

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

What is the main goal of recommended dietary allowances (rdas)? to inspect school cafeterias across the united states to regulate foods sold at supermarkets and farmers' markets to investigate claims of tainted food being served in restaurants to indicate daily nutrient requirements

Not type of personal health monitor can calculate the number of calories a person burns. true or false?