Please help me with this

Select all of the possible methods of aids transmission.

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.

Jamal reads an interesting article about the use of apps for handheld devices in cognitive therapy. he finds severa therapists use this approach and the results of the approach. jamal decides to recommend this technique for one decision making does jamal use in this scenario? a. ethical decision making evidence-based decision making c. shared decision making d. rule-based decision making e.metacognitive decision making