Question

which cpk isoenzyme is run to check for cardiac damage?
cpk - bb
cpk - mm
cpk - ca
cpk - mb
question 4 (mandatory) (10 points)
increased intercranial pressure leads to decreased csf pressure.
true
false

Explanation:

• For the CPK isoenzyme question: Creatine phosphokinase (CPK) has different isoenzymes. CPK - BB is mainly found in the brain and some smooth muscles, CPK - MM is in skeletal muscle, and there is no CPK - CA. CPK - MB is the isoenzyme that is elevated in cardiac damage as it is present in cardiac muscle.
• For the intracranial pressure question: Intracranial pressure (ICP) and cerebrospinal fluid (CSF) pressure are related. When ICP increases, it is due to an increase in the volume of one of the components (brain tissue, blood, or CSF) within the rigid skull. According to the Monro - Kellie hypothesis, an increase in ICP would lead to an increase in CSF pressure (for example, in cases of hydrocephalus where there is an obstruction to CSF flow and accumulation of CSF, both ICP and CSF pressure increase).

Answer:

• First question: D. CPK - MB
• Second question: B. False