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Hypercalcemia- Part 2
See all quizzes of Hypercalcemia at here:
Hypercalcemia- Part 1| Hypercalcemia- Part 2
1.ECG changes in hypercalcemia include all except ?
A. Bradycardia
B. AV block
C. Short QT interval
D. Prolonged PR interval
2. Changes in serum calcium is preferrably monitored by which of the following in ECG ?
A. Heart rate
B. QRS amplitude
C. QT interval
D. ST segment
3. What percentage of serum total calcium is ionized ?
A. 10 %
B. 25 %
C. 50 %
D. 80 %
4. With a decrease in serum albumin of 1.0 g/dL, what quantity should be added to serum total calcium ?
A. 0.2 mg/dL
B. 0.4 mg/dL
C. 0.6 mg/dL
D. 0.8 mg/dL
5. Chronic hypercalcemia is most commonly caused by ?
A. Medication use
B. Primary hyperparathyroidism
C. Underlying malignancy
D. Sarcoidosis
6. Increases in PTH are often accompanied by ?
A. Hypokalemia
B. Hyperphosphatemia
C. Hypophosphatemia
D. Hypernatremia
7. Lab. findings in primary hyperparathyroidism include ?
A. Elevated serum calcium
B. Low serum phosphorus
C. Increased PTH level
D. All of the above
8. In familial hypocalciuric hypercalcemia (FHH), calcium / creatinine clearance ratio is ?
A. < 0.01
B. < 0.05
C. < 0.1
D. < 0.2
9. Which of the following statements is false ?
A. Normal serum calcium is 8.9 – 10.1 mg/dL
B. Ectopic PTH secretion is extremely rare
C. Hypercalcemia invariably leads to dehydration
D. None of the above
10. Classic laboratory finding in milk alkali syndrome is ?
A. Hypercalcemia
B. Metabolic alkalosis
C. Impaired renal function
D. All of the above
11. Initial therapy of significant hypercalcemia begins with ?
A. Volume expansion with IV saline
B. Zoledronic acid
C. Calcitonin
D. Glucocorticoids
12. Drug that inhibits bone resorption is ?
A. Zoledronic acid
B. Pamidronate
C. Etidronate
D. All of the above
13. Glucocorticoids are the preferred therapy in hypercalcemia due to ?
A. Malignancy
B. Severe hyperparathyroidism
C. Sarcoidosis
D. Familial hypocalciuric hypercalcemia (FHH)
14. Pharmacologic therapy for hypercalcemia associated with cancer include ?
A. Mithramycin
B. Calcitonin
C. Gallium nitrate
D. All of the above
15. Dose of Zoledronic acid is ?
A. 2 mg IV infusion over 30-minutes
B. 4 mg IV infusion over 30-minutes
C. 6 mg IV infusion over 30-minutes
D. 8 mg IV infusion over 30-minutes
16. Drugs that decreases 1,25(OH)2D production is ?
A. Ketoconazole
B. Chloroquine
C. Hydroxychloroquine
D. All of the above
