ASCP-MLT Exam Dumps : MEDICAL LABORATORY TECHNICIAN - MLT(ASCP)

Vitamin K is needed to produce certain coagulation factors, in particular factors II, VII, IX, and X. Deficiencies in these factors can lead to increased clotting times and can cause hemorrhagic disease.

A deficiency in which of these vitamins leads to increased clotting time and may result in hemorrhagic disease?

Serum calcitonin is normally produced by the C cells of the thyroid. It functions to reduce serum calcium by inhibiting release of calcium from bone. It is a peptide with a molecular weight of 3400, and has a half life of approximately 12 minutes. It is characteristically elevated in medullary carcinoma of the thyroid. Since medullary carcinoma often occurs as an autosomal disorder, family members of patients with this condition should be screened for serum calcitonin.

Serum calcitonin is typically elevated in which of the following conditions:

What component is indicated for patients who receive directed donations from immediate family members to prevent transfusion-associated graft versus host disease (TA-GVHD)?