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This in mind this book is written to prepare the students for the questions that are most frequently asked in various competitive exams along with important ones. Where ever need is felt the answer has been elaborated to make it more clear and understandable. Therefore all the students preparing for various tests like PG, PhD research officer & competitive exam will find this book immensely helpful. Silent fractures 1. MCQ from recent competitive exam. 2. Self test series has been included

It is also called as nosocomial infection. Hospital acquired infection is the infection which is acquired by the patient during hospital stay. It is more common in Diabetic patients, immunosuppressed patients, patients on steroid therapy and critically ill patients, patients on instrumentation like indwelling catheters, intravenous cannulation, tracheostomy tube. Sources  Contaminated infection wound  Infections of urinary tract  Infections of respiratory tract  Opportunistic infections  Wounds with severe sepsis The spread can occur from patient to another patient, through Nurses to patient, through Hospital staff to patient .it occurs from health care staff when strict and proper asepsis and aseptic techniques are not followed. Causative Agents The organisms responsible for nosocomial infections are – staphylococcus aureus, Pesudomonas, Klebsiella, E.coli .The most common pathogen involved in hospital acquired infection of respiratory tract are Streptococcus pneumoiae, Haemophillus, Herpes, Varicella, Aspergillus, Pneumocystis carinni. The most common pathogen which is involved in hospital acquired infection of urinary tract which is highly drug resistant is Klebsiella.