This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New born infants, Subject name: Pediatrics
Principle mode of heat exchange in an infant incubator is 
Select and explain. 
A. Radiation, B. Evaporation, C. Convection, D. Conduction
C: Convection
Answer: C: Convection 
Explanation: WORKING PRINCIPLE : light bulbs heat air in the bottom pa of the incubator,the air passes over a container with evaporating water, so that its humidity increases,the warm, humid air then flows upwards (chimney effect) into the baby compament Reference: GHAI Essential pediatrics, 8th edition.