Which of the following is considered a significant problem with using biomarkers of bone turnover in the management of patients with osteoporosis in a clinical setting?
A. They can be repeated over short time intervals thus providing quick results.
B. They are noninvasive.
C. They require no special patient preparation.
D. The measurements are affected by several preanalytical variables both controllable and uncontrollable
Question 2
A blood specimen is received in the laboratory from a maternity patient in the obstetric unit with blood magnesium ordered by the attending physician.
The serum magnesium levels is 5.90 mmol/L (RI = 3.0 5.0 mmol/L).). Which of the following explains the elevated serum magnesium?
A. The patient has primary hyperparathyroidism
B. The patient has had a massive heart attack
C. The patient is on magnesium sulphate intravenous infusion because she is experiencing pre eclampsia
D. The patient has Paget's disease
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