Final answer:
The understanding of serious adverse effects of statins is shown by recognizing myopathy, muscle or joint pain, and rhabdomyolysis. Headaches and abdominal pain, though possible, are not typically considered severe effects.
Step-by-step explanation:
The patient demonstrates an understanding of the serious adverse effects associated with statins when they acknowledge the potential for myopathy, muscle or joint pain, and rhabdomyolysis. While headaches and abdominal pain may occur, they are generally considered less severe side effects. Statins are prescribed to reduce cholesterol levels by inhibiting the enzyme HMG-CoA reductase, which is responsible for cholesterol synthesis in the body. Myopathy and rhabdomyolysis are particularly important to monitor for, as they can lead to serious complications, including kidney failure.