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: Pediatrics
A 6 days old neonate weighing 2800 gm (bih weight 3200 gm) was brought with the complaints of fever, poor feeding and poor activity. There was no history of vomiting or diarrhea. Axillary temperature was 39degC with depressed fontenalle, sunken eyes, decreased urine output and decreased skin turgor. Her mother has the history of decreased milk production. What is your diagnosis? 
Select and explain. 
A. Neonatal sepsis, B. Galactosemia, C. Fever & dehydration, D. Acute renal failure
A: Neonatal sepsis
Answer: A: Neonatal sepsis 
Explanation: Ans: A. Neonatal sepsisInitial Signs & Symptoms of Infection in Newborn InfantsGeneralCardiovascular SystemFever, temperature instabilitydegNot doing well, poor feedingdegEdemadegPallor, mottling, cold clammy skindegHypotension, tachycardiadegBradycardiaGastrointestinal SystemCentral Nervous SystemAbdominal distentiondegVomiting, diarrheadegHepatomegalyIrritability, lethargy, high pitched cryTremors, seizuresdegHyporeflexia, hypotonia, abnormal Moro's reflexdegRespiratory SystemHematological SystemApnea, dyspnea, tachypneadegRetractions, flaring, gruntingdegCyanosisdegPallor, jaundice, splenomegalydegBleedingPetechiae, purpura