Sasho went to see his neuropsychologist to test his ability to name objects. when presented with a picture of a hammer to the left visual field he had great difficulty naming it. similarly, when blindfolded, he also had great difficulty naming objects that he felt with his left hand. now, based upon these symptoms, is possible that he may have had his corpus callosum severed (cut by a neurosurgeon)?

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.