<prompt> All of the following statements are true regarding Vitamin A deficiency except -Growth retardation is commonFrequent infections can occurHydrocephalus is infrequentAnterior segment of the eye is initially involved  <response>: Ans. is d i.e., Anterior segment of eye is initially involvedClinical manifestations of Vit A Deficiency o The most obvious symptoms of vitamin A deficiency are associated with requirement of this vitamin for maintenance of epithelial functions ?i Intestine -- Pathogenic attack causes diarrheaii Respiratory tract -- Infections bronchial obstructioniii Urinary tract -- UTI and caliculiiv Skin -- Dry, scaly, hyperkeratotic patchesv Squamous metaplasia of renal pelves, ureter, vaginal epithelium, and pancreatic salivary ducts.o Poor growth because ofi Above health problems in childrenii Vitamin A helps in bone growth deficiency may retard growtho The most characteristic and specific sign of vitamin A deficiency are eye lesions.Which include night blindness, conjuctival xerosis, Bitots spots, corneal xerosis and keratomalacia.The term xerophthalmia dry eye comprises all the ocular manifestations of vitamin A deficiency.o Other features are ?i Skin becomes toad like phrynoderma. But it is due to associated deficiency of essential fatty acids.Vitamin A deficiency may rarely lead to hydrocephalus. 