Author Question: Isoforms of CK are: A) Isoenzymes of CK formed from variants of the B subunit B) Formed in the ... (Read 35 times)

bobypop · **on:** Aug 10, 2018

Isoforms of CK are:

A) Isoenzymes of CK formed from variants of the B subunit
B) Formed in the circulation by hydrolysis of lysine from CK-MM and CK-MB
C) Formed only when blood is collected in heparin
D) Artifacts of electrophoresis caused by attachment to albumin

Question 2

In a nonmyocardial, as opposed to a myocardial, cause of an increased serum or plasma CK-MB, which would be expected?

A) An increase in CK-MB that is persistent
B) An increase in the percentage of CK-MB as well as the concentration
C) The presence of increased troponin I
D) A more modest increase in total CK than in CK-MB