What is the purpose of a Waters projection?
What will be an ideal response?
Images the maxillary, frontal, and ethmoid sinuses. The chin is tipped up in this projection to avoid superimposing the bony petrous ridges and base of the skull structures on the maxillary sinuses. In this way, the lower one-third of the maxillary sinus can be viewed free of superimposition from the skull base structures.
Health Professions
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Which of the following is a first-generation antiplatelet agent?
A) Ticlopidine B) Clopidogrel C) Aspirin D) Eptifibatide
Health Professions
According to the Controlled Substances Act of 1970, diazepam, lorazepam, and phenobarbital are:
a. Schedule V drugs. c. Schedule III drugs. b. Schedule IV drugs. d. Schedule II drugs.
Health Professions