Answer to Question 1
D
Explanation: A) An i is sometimes, but not usually, a combining vowel.
B) An a is sometimes, but not usually, a combining vowel.
C) The letters ae are a Latin plural noun ending, not a combining vowel.
D) Correct
Answer to Question 2
b
Explanation:
a. analogous transfusion: is not a transfusion of the patient's own blood
b. autotransfusion: correct
c. primary transfusion: is a transfusion of not the patient's own blood
d. homologous transfusion: is not a transfusion of the patient's own blood