Which of the following antimetabolites is a folic acid antagonist?

The ________ is the reticular tissue that makes up most of the volume of bone

a. medullary canal b. endosteum c. cancellous bone d. periosteum

When Dr. Kendall's administrative medical assistant stepped toward a patient to explain the hospital preadmission procedure, the patient abruptly took a step backwards. Which of the following is most likely the reason for the patient's movement during the communication process?

A. The patient needed to sit down. B. The administrative medical assistant had intruded into the patient's personal space. C. The patient's cell phone was ringing. D. The administrative medical assistant had bad breath.