When patients are happy, their bodies release _______

Which of the following is a CDC guideline for hand washing?

a. Always use antibacterial soap b. Use hot water for best results c. Wash for at least 20 seconds d. Hand sanitizers eliminate all types of germs

What is added to otic preparations to evenly distribute the drug and break up ear wax?

A) non-aqueous vehicles B) preservatives C) surfactants D) either A or C