How many pulmonary veins empty into the left atrium?

When you purchase an animal from a pet shop, you generally know:

A)the animal's breed and age B)where the animal came from C)the conditions under which the animal was raised D)the animal's full pedigree

Chessie will have surgery next week to have her pituitary gland removed. She asks you what effects this might have on her overall health. You may tell her that she may now experience ____. 

A. hyperthyroidism B. hyperadrenalism C. hypothyroidism D. disturbed circadian rhythms E. diabetes