1.) carrying a load of 100 pounds can reduce your car's fuel efficiency by a. 2% b. 20% c. 50% 2.) one of the major harmful things your car produces as it consumes gasoline is a. carbon dioxide b. water c. oil 3.) assessing and monitoring your fluid levels will you optimize your car's a. fuel mileage and longevity b. appearance and attractiveness c. traction and weight distribution

Describe the concept of interval training. what is the benefit of this type of training?

When considering the claim that eating well to reduce stress, what advice might you give a friend who appears to be stressed about an upcoming exam, but chooses to have chips and soda for lunch everyday?

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