A pharmacist prepared an ointment using 28.5 g zinc oxide instead of the 30.5 g that were required. Calculate the percentage of error on the basis of the desired quantity._______________

The goal of cardiovascular regulation is to ensure that blood flow changes occur:

A) without drastically altering blood pressure. B) in the right area. C) at appropriate times. D) All of the above

Which of the following is enlargement of the prostate gland?

a. Mumps b. Benign prostatic hyperplasia c. Urethritis d. Prostatitis