Which statement is true based on the line graph?
a. standing is health-enhancing because it uses energy.
b. jogging is not a good way to enhance your health.
c. jogging requires the least amount of energy.
d. short walks do not use enough energy to be health-enhancing.

What ethic groups are most affected by obesity and why?

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

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