###Rationale: In this case, sunken eyes and skin "goes back very slowly" (in 5 seconds) in a "lethargic" (drowsy) child, so it is a case of severe dehydration.

###Answer: OPTION D IS CORRECT.
###Question: A 6-year-old drowsy child came in emergency with history of vomiting, loose motion for 3 days. On examination he had sunken eyes, hypothermia, skin on pinching was taking 5 seconds to reve. What is your diagnosis?
###Options:
A. No dehydration
B. Mild dehydration
C. Some dehydration
D. Severe dehydration
