Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) carnitine palmitoyltransferase II deficiency ?
    ### Response:
    Carnitine palmitoyltransferase II (CPT II) deficiency is a condition that prevents the body from using certain fats for energy, particularly during periods without food (fasting). There are three main types of CPT II deficiency: a lethal neonatal form, a severe infantile hepatocardiomuscular form, and a myopathic form.
    