Identify a true statement about the enzyme creatine kinase (CK).
A) Creatine kinase (CK) is found only in brain and skeletal muscles.
B) After a heart attack, creatine kinase (CK) shows up more rapidly in blood than lactate dehydrogenase (LDH).
C) Creatine kinase (CK) is an isozyme as it can exist in five different forms.
D) A high level of creatine kinase (CK) in brain indicates normal functioning of the brain.

Question

Quizplus · Accepted Answer

Creatine kinase (CK) levels rise in the blood within a few hours of a heart attack, making it a useful early marker for myocardial infarction. This is faster than lactate dehydrogenase (LDH), which can take longer to elevate.

Identify a True Statement About the Enzyme Creatine Kinase (CK)