Surgical placement of a ventriculoperitoneal shunt is used to treat

Surgical placement of a ventriculoperitoneal shunt is used to treat
 
  a. hyponatremia.
  b. intracerebral hemorrhage.
  c. spontaneous intracerebral hemorrhage.
  d. hydrocephalus.

Question 2

The P wave represents which of the following?
 
  a. Atrial contraction
  b. Atrial depolarization
  c. Sinus node discharge
  d. Ventricular contraction

Question 3

A patient has acute kidney injury (previously known as acute tubular necrosis). The following blood work was noted: complete blood count shows a white blood cell count of 11,000 mm3, a hemoglobin of 8 g/dL, and a hematocrit of 30.
 
  His chemistry panel shows serum potassium, 4.5 mg/dL; serum sodium, 135 mg/dL; serum calcium, 8.5 mg/dL; BUN, 20 mg/dL; and creatinine, 1.5 mg/dL. What laboratory value(s) need(s) to be treated most immediately and why?
 
  a. Administration of 5 dextrose in water and insulin because the patient is hyperkalemic and needs this level reduced
  b. Administration of Epogen to treat anemia
  c. Administration of a broad-spectrum antibiotic to treat the elevated blood cell count
  d. Administration of a calcium supplement for low calcium