Which of the following is a common myth associated with fitness?
a. physically active people can continue to gain muscle and lower body fat even as they age.
b. you should drink water while you exercise to prevent dehydration.
c. you should have a physical exam by a doctor before beginning any exercise program.
d. working out in the morning is more effective than working out at night.

Which strategy is appropriate for managing stress? complain to a loved one about your responsibilities. ignore the cause of the stress. try to think positively instead of negatively. pretend you are okay even if you’re not.

What is the only part of your body called that should touch the ball when setting in volleyball?

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