Clinical Chemistry: Trace Elements

What is the percentage of serum calcium that is ionized (Ca)?

Which of the following conditions is associated with a low serum magnesium determination?

Which of the following is the most accurate measurement of Pi in serum?

Which of the following is likely to occur first in iron deficiency anemia?

Which formula provides the best estimate of serum transferrin?

Which of the following proteins binds ferric iron and is increased in iron-deficiency anemia?

Which of the following steps is NOT necessary in methods for iron determination?

The only acceptable anticoagulant for a calcium determination is:

The majority of the iron in whole blood is:

Blood specimens drawn early in the morning are recommended for measuring serum iron and TIBC because: