Where is the CR directed to exit on the SMV skull?
vertex
basilar portion
sphenoid
mentum
vertex
Rationale: In the submentovertex projection, the beam enters below the mentum and exits the vertex of the skull.
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A 46-year-old male patient (IBW = 85 kg) who was injured in a motor vehicle crash has been re-ceiving invasive mechanical ventilation for 24 hours
The patient is awake, alert, and looks comfortable on the following settings: VC-IMV with pres-sure support of 5 cm H2O; set rate = 8 breaths/min; set VT = 500 mL; FIO2 = 0.4; PEEP = 5 cm H2O. A 10-minute spontaneous breathing trial (SBT) yields this information: f = 30 breaths/min, RSBI = 145, P0.1 = 10 cm H2O. What should the respiratory therapist suggest to the physician during patient rounds? a. Sedate the patient and place him on VC-CMV. b. Continue with the current ventilator set-tings. c. Switch to PC-CMV with a rate of 14 breaths/min. d. Decrease the mandatory SIMV rate to 4 breaths/min.
The term ________ indicates that the tumor has undergone malignant changes but is still limited to the site where it originated.
A. Ca in situ B. secondary C. primary D. metastasized