NUR 242 Med-Surg Exam 2 Study Guide
Questions with Correct Verified Solutions 2025
Hypocalcemia s/s -Correct Answer ✔- serum level below 9
- painful muscle spasms in calf/foot during rest or sleep
- positive Chvostek's and Trousseau's signs
- parethesias, tingling, numbness
- WEAK THREADY HEART RATE that may be slower or faster than
normal
Hypocalcemia causes -Correct Answer ✔- inadequate oral intake of calcium
and Vitamin D
- kidney failure
- malabsorption syndrome (Chrohn's disease)
- lactose intolerance
- ESKD
Hypocalcemia treatment -Correct Answer ✔- oral or IV calcium supplements
- seizure precautions
- Vitamin D to help with the absorption of calcium from the GI tract
Hypercalcemia s/s -Correct Answer ✔- serum level higher than 10.5
- severe muscle weakness and decreased deep tendon reflexes
- confusion
- lethargy
- INCREASED HR & BP
- severe prolonged - electrical conduction depression
- cyanosis, pallor
- blood clots
NUR 242
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Hypercalcemia causes -Correct Answer ✔- excessive oral intake of calcium
and Vitamin D
- kidney failure
- use of thiazide diuretics
Hypercalcemia treatment -Correct Answer ✔- D/C thiazide diuretics and
replace with diuretics that enhance excretion of calcium (lasix/furosemide)
- administer IV fluids (0.9% NS)
- sodium increases kidney excretion of calcium
Hypokalemia s/s -Correct Answer ✔- serum level less than 3.5
- THREADY, WEAK, IRREGULAR PULSE
- orthostatic hypotension
- lethargy
- skeletal muscle weakness
- CARDIAC DYSRHYTHMIAS
Hypokalemia causes -Correct Answer ✔- Excessive use of diuretics, digitalis,
corticosteroids
- diarrhea & vomiting
- kidney disease
- wound drainage
- prolonged gastric suctioning
Hypokalemia treatment -Correct Answer ✔- increase serum potassium levels
- oral of IV potassium
- NEVER GIVE VIA IV PUSH
- hold diuretics
- fall prevention
- use potassium-sparing diuretics if NEEDED
NUR 242