1. An adult patient who sustained a severe head trauma has been intubated and is being manually ventilated via a bag-mask device at a rate of 18 breaths/minute. The patient has receive one intravenous fluid bolus 500 mL of warmed isotonic crystalloid solution. The PaCO2 is 30 mm Hg (4.0 kPa), and the pulse oximetry is 92%. BP is 142/70 mm Hg. What is the most important intervention to manage the cerebral blood flow?

A. Decrease the rate of manual ventilation.***

B. Initiate another fluid bolus.

C. Recheck endotracheal tube placement.

D. Increase the amount of oxygen delivered.

2. A patient with complete spinal cord injury who is in neurogenic shock will demonstrate hypotension and which other clinical signs?

A. Bradycardia and ipsilateral a sense of motor function.

B. Tachycardia and respiratory depression.

C. Tachycardia and piokilothermia.