Med Surg 170 Exam 1 Galen – Complete Study
Guide 2026
Sodium lab range - ANSWER ✔✨---135-145 mEq/L
Potassium lab values - ANSWER ✔✨---3.5-5.0 If low it is a critical lab to worry about assess the
heart and then prepare to give K
if high, hold all K, assess heart (EKG), give D5W and reg insulin, call
if really high, hold, assess, prepare, call STAT Get someone else involved! Dangerous!!
Calcium lab value - ANSWER ✔✨---9-10.5
Magnesium lab value - ANSWER ✔✨---1.5-2.5 mEq/L
Hyponatremia causes - ANSWER ✔✨---fluid overload
Hypernatremia causes - ANSWER ✔✨---excess water loss, excess sodium administration, diabetes
insipidus, heat stroke, hypertonic IV solutions
Guide 2026
Sodium lab range - ANSWER ✔✨---135-145 mEq/L
Potassium lab values - ANSWER ✔✨---3.5-5.0 If low it is a critical lab to worry about assess the
heart and then prepare to give K
if high, hold all K, assess heart (EKG), give D5W and reg insulin, call
if really high, hold, assess, prepare, call STAT Get someone else involved! Dangerous!!
Calcium lab value - ANSWER ✔✨---9-10.5
Magnesium lab value - ANSWER ✔✨---1.5-2.5 mEq/L
Hyponatremia causes - ANSWER ✔✨---fluid overload
Hypernatremia causes - ANSWER ✔✨---excess water loss, excess sodium administration, diabetes
insipidus, heat stroke, hypertonic IV solutions
