Which sinus cavity would be visible if a Water's method was performed with the patient's mouth open?
ethmoid
sphenoid
maxillary
frontal
sphenoid
Rationale: The sphenoid sinuses would be visible through the open mouth on a Water's method; this is referred to as the Open Mouth Water's method.
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The unit residence asked you to reduce the risk of contamination caused by condensation in the circuit of a mechanically ventilated patient. Which of the following would help to reduce or eliminate condensation in this patient's circuit?
a. Using a heat and moisture exchange (HME) b. By draining the circuit on a daily basis c. By not using any form of heater at all d. By lowering the temperature in the heater
When do most smaller practices send out their statements?
A. Daily B. Weekly C. At the end of the month D. Whenever the medical assistant has time to prepare the statements E. Patients are allowed to request a billing time that is convenient for them