ANCC PMHNP LAB VALUES EXAM QUESTIONS AND ANSWERS

ANCC PMHNP LAB VALUES EXAM
QUESTIONS AND ANSWERS
T4, FREE THYROXINE - Answer-0.8-2.8
Increased In Graves
Decreased In Hypothyroidism

TSH - Answer-2- 10 mu/l
Normal values can range from 0.4 - 4.0 mIU/L (milli-international units per liter),

Calcium, Ca++ - Answer-8.8-10.5
<7.0, tetany
>11.0, hyperparathyroidism
>13.5, hypercalcemic coma, metastatic cancer

Sodium, Na+ - Answer-135-148 mEq/L

hypernatremia - Answer-dehydration
hypovolemia
diabetes insipidus
eating too much salt
gastroenteritis
drugs such as adrenocorticosteroids, methyldopa, hydrazine, cough meds

hyponatremia - Answer-drugs such as lithium, vasopressin, diuretics
addisons
renal disorder
gi fluid loss

Magnesium, Mg - Answer-1.3 - 2.1 mEq/L
lithium can increase

hypomagnesemia - Answer-depression, confusion, irritability,nystagmus, tetany,
convulsions, ataxia, increased reflexes, muscle weakness

hypermagnesemia - Answer-N/V, respiratory depression, hypotension, depressed
skeletal muscle contraction and nerve function, bradycardia

Potassium, K+ - Answer-3.5-5.1 mEq/L

hyperkalemia - Answer-chronic marijuana use can elevate potassium

Chloride, Cl - Answer-98 - 106
passive transport through sodium