Esophageal varices are most associated with:
A) kidney disease.
B) pancreatitis.
C) liver disease.
D) gastroesophageal reflux disease.
Question 2
Which of the following is TRUE regarding mature red blood cells?
A) They are devoid of hemoglobin.
B) They are often sickle shaped.
C) Their red color indicates lack of oxygen.
D) They have no nucleus.