An open pneumothorax is:

The ________ nerves supply the diaphragm.

 The APRN knows that the prophylactic medication of choice in the treatment of migraines is:

A patient presents with a chief complaint of the “worst headache of my life,”nausea, and vomiting. A noncontrast computed tomography scan of the head is completed and appears normal. Given concern for underlying pathology, you decide to perform a lumbar puncture, which has elevated opening pressure as well as elevated red blood cell count in three separate tubes. What is the most likely diagnosis?

Very young children tend to breathe predominantly with their diaphragm because:

The patient has hyperosmolar hyperglycemic syndrome. Which laboratory findings would the clinician observe?

Which of the following cells is a component of the innate immune system?

Which of the following is the most important treatable risk factor for prevention of stroke?

A patient may benefit from cyclosporine (Sandimmune). Cyclosporine may be prescribed to:

A 68-year-old previously healthy man presents to the emergency department with a transient episode of confusion and difficulty speaking that occurred approximately one hour ago and lasted about 20 minutes. A non-contrast computed tomography scan of the brain shows no abnormalities. An electrocardiogram reveals new-onset atrial fibrillation with a ventricular rate of 96 beats/minute. Which of the following medications should be initiated?