Identify and explain which of Erikson's eight psychosocial stages is present in the scenario below. Cameron is a fourth-grader at Sunnyside Elementary School. She just received her math test back, and she got a B. She notices her friend Rachel got an A, and it makes Cameron feel like she is not as smart as her friend.

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.