A 55 year old female was admitted to the Neuro ICU secondary…

A 55 year old female was admitted to the Neuro ICU secondary to subarachnoid hemorrhage caused by a cerebral aneurysm. She was intubated upon arrival to the emergency department, then underwent emergency craniotomy with aneurysm clipping. She remains intubated 3 days later secondary to her neuro status. On morning rounds you notice her oxygen saturation has decreased to 90% while on 40% FiO2 on the ventilator. A chest x-ray is ordered and is now showing a right upper and middle lobe pneumonia. Which is the most appropriate antibiotic selection? 

A laboratory technician has a 10.5 mm area of redness and in…

A laboratory technician has a 10.5 mm area of redness and induration in his left forearm after getting a Mantoux test 48 hours before from the employee health nurse. The Mantoux test done by the same nurse 12 months ago was at 5 mm of induration. The technician denies cough, night sweats, and weight loss. Which of the following is a true statement?