Answer to Question 1
B
Explanation: When the plane is vertical passing through the body from side to side, it divides the body into anterior/posterior or front/back portions called the coronal or frontal plane. Dividing into right/left is the sagittal and superior/inferior transverse.
Answer to Question 2
C
Explanation: The term literally means inflammation of the part resembling a breast. The word part construction of this term is mastoid/itis. The mastoid process is an area of the temporal bone of the skull housing the middle and internal ear.