<prompt> Muehrcke lines in nails are seen in:Nephrotic syndromeBater syndromeNail-patella syndromeAcute tubular necrosis  <response>: Muehrckes lines are white lines leukonychia that extend all the way across the nail and lie parallel to the lunula. Muehrckes lines - associated with decreased protein synthesis, which occur during metabolic stress in hypoalbuminemic states such as the nephrotic syndrome. It should not be confused with Half-and-half nail syndromeLindsays nails- most characteristic onychopathy seen in chronic renal failure. 