This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
When patient is on isotretinoin therapy, monitoring of which of the following is done 
Select and explain. 
A. Liver function test, B. Lipid profile, C. Renal function tests, D. CBC
B: Lipid profile
Answer: B: Lipid profile 
Explanation: Isotretinoin is indicated in severe nodulo cystic acne vulgaris. It may result in hyperlipidemia, arthralgia and myalgia