Throughout this book, we have tried to simplify your preparation for the NCLEX® exam. This appendix includes information you have learned during nursing school but might have forgotten.
Therapeutic drug levels that are important for the nurse to remember when taking the NCLEX® exam include:
• Digoxin: 0.5–2.0 ng/mL
• Lithium: 0.8-1.2 mEq/L* (NIH value)
• Dilantin: 10–20 mcg/mL
• Theophylline: 10–20 mcg/mL
*The therapeutic range for lithium may vary slightly according to laboratory methods used. Lithium toxicity occurs at levels greater than 1.5 mEq/L.
Normal ranges for the vital signs of the adult and the newborn:
• Adult heart rate: 80–100 beats per minute
• Newborn heart ...