February 2006, Volume 36 Number 2 , p 64cc6 - 64cc7
Thinking of taking the critical care nursing certification exam? This self-test can help you prepare by reviewing key concepts in the CCRN exam offered by the American Association of Critical-Care Nurses. Answers and rationales appear at the end.
1. Which lab values are most consistent with a diagnosis of hyperosmolar hyperglycemic state (HHS)? a. glucose, 600 mg/dl; plasma osmolality, 300 mOsm/kg; serum potassium, 4.2 mEq/liter b. glucose, 800 mg/dl; plasma osmolality, 365 mOsm/kg; pH, 7.3 c. glucose, 450 mg/dl; pH, 7.2; potassium, 5.2 mEq/liter d. glucose, 600 mg/dl; pH, 7.2; anion gap, 16 mEq/liter 2. An ICU patient who's had surgery to remove a brain tumor is attached to an intracranial pressure (ICP) monitoring system using a subarachnoid screw. Which of the following is most important when managing this equipment? a. periodically obtaining samples of cerebrospinal fluid b. keeping the transducer below the level of the foramen of Monro c. opening the system to air to zero-balance ...