5. What is the symbol used for the universal set? A. O B. C.U
D. JX1
6. What is the complement of U?
A. U B.
C. {0}
D.{1}
7. Given P={apple, orange, banana, mango) and
Q={orange, mango, watermelon) and what is
PUR?
A. Ø
B. {apple, orange, banana}
C. {apple, orange, banana, mango}
D.{apple, orange, banana, mango, watermelon}
8. What is the symbol used for intersection?
A. U B. o
C. c
D. E
9. If set A={3,4,5,6) and set B={2,4,6,8), what is A-B?
A. B. {3}
C. {3,5) D. {4,6)
10. The set of all elements in the universal set that is
not in Set A is called
A. complement of a set.
B. difference of sets.
C. disjoint set
D. Venn Diagram
i

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.