Answer to Question 1
ANS: A
At birth, the umbilical cord is white and contains two umbilical arteries and one vein inside the Wharton jelly. The umbilical stump dries within a week, hardens, and falls off in 10 to 14 days. Skin will cover the area in 3 to 4 weeks.
Answer to Question 2
ANS: B
Normally, palpating the liver causes no pain. In a person with inflammation of the gallbladder, or cholecystitis, pain occurs as the descending liver pushes the inflamed gallbladder onto the examining hand during inspiration (Murphy test). The person feels sharp pain and abruptly stops midway during inspiration.