Antibodies directed against type b blood would recognize which carbohydrate on the oligosaccharide attached to red blood cells?.

Me with this i need to get the answer quickly.

A 22-year-old female patient slipped running down stairs and has injured her right tibia and fibula. you have used an air splint to splint the injury. to test the splint, you can:

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.