Before preparing a teaching plan for the parents of an infant with patent ductus arteriosus, it is important that the nurse understands this condition. Which statement best describes patent ductus arteriosus?A. Patent ductus arteriosus involves a defect that results in a right-to-left shunting of blood in the heart. B. Patent ductus arteriosus involves a defect in which the fetal shunt between the aorta and the pulmonary artery fails to close. C. Patent ductus arteriosus is a stenotic lesion that must be surgically corrected at birth. D. Patent ductus arteriosus causes an abnormal opening between the four chambers of the heart.

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?

20 point pls brianliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?