All of the following statements are true regarding Vitamin A deficiency except -
Growth retardation is common
Frequent infections can occur
Hydrocephalus is infrequent
Anterior segment of the eye is initially involved
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, Bitot's 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.