This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamins and Minerals, Subject name: Biochemistry
Zn deficiency causes 
Select and explain. 
A. Acrodermatits, B. Scaly dermatiis, C. Follicular keratosis, D. Skeletal fluorosis
A: Acrodermatits
Answer: A: Acrodermatits 
Explanation: (A) (Acrodermatitis) (420- Satyanaroyan 4th)Acrodermatitis enteropathica - is a rareInherited metabolic disease of zinc deficiency caused by a defect in the absorption ofZn from the intestineZINC -- Prostate gland is very rich in Zn- Zn is mainly an intracellular element- Regarded as an Antioxidant- Gusten - a zinc containing protein of the saliva - is important for Taste sensation- Zn absorption appears to be dependent on a transport protein- Metallothionein- Zn deficiency is associated with- growth retardation, poor wound healing, anemia, loss of appetite , loss of taste sensation impaired spermatogenesis, Depression, dementia and other psychiatric disoders.Zinc containing enzymes* Superoxide dismutase (it is CU-Zn protein complex)* Carbonic anhydrase* Leucine amino peptidase* Carboxy peptide A'* Alcohol dehydrogenase *** Retinine reductase* Alkaline phosphatase* Glutamate dehydrogenase* Lactate dehydrogenase* DNA and RNA polymerase* d-ALA dehydratase