Thanks Anna,
I think it's a very useful book and it's better to study all chapters. As I mentioned before, my exam questions were from all chapters. ( Most probably you know that : math, diabetes, HTN, HF, dyslipidemia, Hypo/hyperthyroidism, Parkinson, Alzheimer, depression, psychoses, ADHD, osteoporosis, RA, CVD, ID, COPD, asthma, pain and controlled drugs are the core of the test.)
Hope it helps!