A patient with acute chest pain, diaphoresis, and severe edema comes into the emergency room. The nurse suspects heart failure related to a myocardial infarction. Which of the following labs diagnose the patient's condition?

A right shift of the oxygen-hemoglobin dissociation curve favors oxygen release to tissues. What causes this right shift to occur?

A patient in the ICU has begun breathing in deep, rapid respirations (Kussmaul's respirations). The nurse knows that this is associated with which of the following lab findings?

The nurse on the renal floor is caring for a diabetic patient. A bedside blood glucose check revealed a blood glucose of 322 mg/dL. The nurse prepares to administer 4 units of regular insulin subcutaneously as ordered on the insulin sliding scale. Prior to administering the dose of insulin, the nurse should do which of the following?

The nurse takes a blood sample from a diabetic patient to measure his glycosylated hemoglobin (Hgb A1C). The patient's goal is to achieve a level lower than

The nurse is reviewing the lab results of a patient with acute pancreatitis. Which of the following serum amylase levels would the nurse expect?

A patient with chronic renal failure on dialysis is being cared for by a nurse on the renal floor. A review of morning laboratory results reveals a serum calcium level of 8 mg/dL and hyperphosphatemia. The patient has complaints of pruritus. Which of the following are appropriate interventions? 

The nurse is caring for a patient with congestive heart failure, hypotension, and endocarditis. Which of the following lab results should the nurse report to the physician?

A diabetic female has the following lab results: fasting glucose of 218 mg/dl, creatinine of 0.8 mg/dl, potassium of 4.1 mEq/l, hemoglobin of 8 mg/dl, CO2 of 41 mEq/l. Which result is critical and should be reported to the physician immediately? 

The nurse is caring for a client with sepsis due to acute Clostridium difficile infection. Due to the higher than normal production of lactic acid, the nurse knows that which of the following is most likely to occur?