Which situation describes a risk factor for depression? feeling isolated from people at school being optimistic about how life is going knowing a classmate who has depression adjusting to a variety of simple changes

Which of the following does not cause blindness? a. cataractsb. glaucomac. osteoarthritisd. diabetes

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.

Lifestyle diseases are caused by a combination of