(Latest Update ) Adult
Gerontology Management Across the
Continuum of Care | Questions with
Correct Answers | Grade A - UTA
Question:
Disorders of Calcium
Answer:
Hypocalcemia •Hypercalcemia
Question:
Hypocalcemia
Answer:
Decrease in serum Calcium <8.8 mg/dL in the presence of normal serum
proteins
,Question:
Hypocalcemia risk factors
Answer:
Hypo parathyroidism
Vitamin D deficiency
Renal failure
Increased bone formation with inadequate Calcium intake
Drugs Pseudohypo parathyroidism
Renal tubular disease
Low serum proteins
Elevated phosphorus
Phenytoin Phenobarbital Rifampin Radiocontrast agents [that contain
ethylene diaminetetraacetate]
Question:
Hypocalcemia Signs and Symptoms
Answer:
Related to disturbance in cellular membrane potentials
• Neuromuscular irritability- muscle cramps of back and legs
• If prolonged, papilledema +/- cataracts
• Severe hypocalcemia [<7 mg/dL], can cause tetany, laryngospasm or
generalized seizure
, Question:
Hypocalcemia s/s Sign of Tetany (2)
Answer:
Signs of tetany-Chvostek's sign- involuntary twitching of facial muscles when
facial nerve is tapped [anterior to external auditory meatus]
-Trousseau's sign- carpopedal spasm by decreasing blood supply to hand
[apply BP cuff to forearm and inflate to 20 mm Hg above patient's systolic BP
and hold for 3 minutes]
Question:
Hypocalcemia cardiac s/s
Answer:
Dysrhythmias or heart block can occur if hypocalcemia is severe; prolonged
QT and ST intervals; T waves peak or inversion
Question:
Hypocalcemia S/S (other)
Answer:
Other signs and symptoms- dry scaly skin, brittle nails, coarse hair, Candida
infections