During a Humanitarian Trip to an Underdeveloped Country, a Medical

During a humanitarian trip to an underdeveloped country, a medical student is assessing a 6-year-old male who has a protuberant abdomen, dry hair, and wrinkled skin. The child's heart rate is 59 beats/minute, blood pressure 89/50, and temperature 95.2°F (35.1°C) . What is the most likely etiology of the child's health problems?

A) A diet lacking in fat-soluble vitamins
B) Fluid and electrolyte imbalances secondary to low -carbohydrate intake
C) A diet that is low or high in carbohydrates but low in fat
D) A diet deficient in both protein and calories