<prompt> In myxedema, yellowish tint of the skin is due to:increased levels decreased elimination of bilirubinIncreased carotene in the skinAnaemiaIncreased cholesterol levels in plasma  <response>: Myxedema develops in a person who has almost total lack of thyroid hormone function. The patient shows - bagginess under the eye swelling on the face. In this condition, for reason that are not explained, greatly increased quantities of hyaluronic acid and chondroitin sulphate bond with protein form excessive tissue gel in the interstitial spaces, which causes the total quantity of interstitial fluid to increase. Thyroid hormone is needed for conversion of carotene to vitamin A in skin. In myxedema decrease T3 this conversion is hampered, therefore increased accumulation of carotene in skin lt yellowish tint of the skin. 