A 16-year-old girl developed multiple recurrent fluid-filled lesions of the vermilion of her lower lip. This has happened before in the same site. She has no eye, genital, or cutaneous lesions. A cytology smear contained numerous multinucleated cells. The diagnosis is:

When passing suture to the surgeon, the next step should be to pass straight Mayo scissors to the assistant

a. True b. False Indicate whether the statement is true or false

Which form of antagonism occurs when the antagonist binds to a receptor site that would not normally be occupied by the initial drug, causing a change in the initial drug's receptor site and rendering it unrecognizable and unusable by the initial drug?

a. physiological antagonism b. noncompetitive antagonism c. antagonism by neutralization d. competitive antagonism