EXAM 3 NSG EXAMPREP PRACTICE SET SOLUTION QUESTIONS WITH FULL ANSWERS

EXAM 3 NSG4100 2026 EXAMPREP PRACTICE
SET SOLUTION QUESTIONS WITH FULL
ANSWERS

◉ hypertonic blood Answer: increased concentration- ex:
hyperglycemia with DKA


◉ hypotonic blood Answer: decreased concentration- ex: fluid
overload with SIADH


◉ normal urine specific gravity Answer: 1.005-1.030


◉ example of low urine specific gravity Answer: DI (low
concentration because the urine is really diluted d/t excess
urination)


◉ example of high urine specific gravity Answer: SIADH (high urine
concentration because you are not peeing and holding onto fluids)


◉ what is SIADH Answer: increased ADH secretion from the
pituitary gland

, ◉ s/s of SIADH Answer: hyponatremia- neuro (seizures, confusion),
hypervolemia- Swimming in fluids, HTN, fluid overload- listen for
crackles


◉ what is SIADH caused by? Answer: lung cancer/ tumor,
hyponatremia


◉ tx of SIADH Answer: tumor removal, radiation, diuretics- LASIX,
NOT! HCTZ!


◉ diabetes insipidus Answer: decreased secretion of ADH from the
pituitary


◉ s/s of DI Answer: polydipsia, polyuria, dehydration, increased Na-
d/t dehydration


◉ what causes DI? Answer: head trauma, brain surgery d/t brain
tumor


◉ tx of DI Answer: DDAVP (vasopressin), fluids, thiazide diuretics


◉ fluids for tx of HHS & DKA Answer: 0.9% NS then 0.45% NS then
when the BS is 250 give D5W