A person has not eaten fats for a long time, but received a sufficient amount of carbohydrates and proteins. After that, he was diagnosed with symptoms of a lack of vitamins, especially vitamins A, D, E, and K. Suggest the possible reason of hypovitaminosis.

During extended fasting (≥ 4 days), what is/are the purpose(s) of tissue protein breakdown? Circle ALL that apply.  a. Dispose of excess nitrogen groups so ammonia doesn't accumulate b. Provide precursors to the Liver, Kidney, Sm. Intestine for gluconeogenesis c. Provide precursors to the liver for ketogenesis d. Provide energy to the skeletal muscles through Amino Acid oxidation e. Provide energy to the liver through Amino Acid oxidation

Describe the absorption and transport of lipids. Explain the reasons why high levels of low-density lipoprotein an indication poor eating habits or possible cardiovascular problems could be.

A person who is lactose intolerant must either avoid dairy products or they must take a digestive aid such as Lactaid. Please explain why dairy products create problems with digestion for a person like this.