Hypocalcemia

Hypocalcemia

1 Main defense against hypocalcemia is ?
A. Calcium
B. Vitamin D
C. PTH
D. PTH-related peptide (PTHrP)


2 Degree of hypocalcemia is most in which of these disorders ?
A. Hypoparathyroidism
B. Vitamin D deficiency
C. Impaired 1,25(OH)2D production
D. Vitamin D resistance


3 Chvostek’s sign is present in what percentage of normal individuals ?
A. ~ 4 %
B. ~ 6 %
C. ~ 8 %
D. ~ 10 %


4 For eliciting Trousseau’s sign, BP cuff is inflated how much above patient’s systolic blood pressure ?
A. 5 mm Hg
B. 10 mm Hg
C. 15 mm Hg
D. 20 mm Hg


5 Which of the following is false about severe hypocalcemia ?
A. Seizures
B. Bronchospasm
C. Laryngospasm
D. Short QT interval


6 Nutritional vitamin D deficiency is best assessed by ?
A. Serum 25-hydroxyvitamin D levels
B. Serum 1,25(OH)2D levels
C. Serum calcium levels
D. Serum PTH levels


7 Vitamin D resistance is best assessed by ?
A. Serum 25-hydroxyvitamin D levels
B. Serum 1,25(OH)2D levels
C. Serum calcium levels
D. Serum PTH levels