What hormone causes milk ducts to contract and push milk toward the nipple?

Prescribing medications for animals primarily relies on __________

A) size B) temperament C) weight D) breed

In the CPT index, all topics referring to CPT code sections or chapter headings are shown in:

A) bold uppercase and lowercase letters. B) bold uppercase letters. C) all uppercase letters, not bold. D) all lowercase letters, not bold.