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Which two factors determine the focal depth of a transducer?

All of the following are true regarding phased array transducers, except:

Lateral resolution is also called azimuthal.

Upon assessment of a patient who does not open their eyes and does not have a motor / verbal response, the cumulative Glascow Coma Scale Score is: 

An airway assessment reveals direction visualization of only the hard palate, this person would be classified as a Mallampati: 

A patient who is chronically administered Phenytoin needs to have a preoperative:

The structure that prevents the movement of swallowed materials from advancing into the larynx and trachea is the:

Name valley indicated.

A preoperative evaluation DOES NOT include: 

An infrequently occurring, severely impacting, yet often disclosed risk of anesthesia is: