Why do u think it is hard for people to change behaviors related to HIV

Which of the following must be cooked to 145º f? a. chicken and stuffing b. ground beef and eggs not served immediately c. beef roasts and seafood d. all of these must be cooked to 145° f.

You should never drive a car if you are a.taking cold medication b. suffering from the flu c. drinking alcohol d. all the above

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.