Nail DisordersOnline version Complete this activity & test your knowledge of nail disorders by Rosalind Carter 1 When living skin around the nail plate splits and tears, it is known as _____. a hangnail b splinter hemorrhage c plicatured nail d pincer nail 2 A(n) _____ is caused by physical trauma or injury to the nail bed that damages the capillaries and allows small amounts of blood flow. a discolored nail b plicatured nail c nail hemorrhage d splinter hemorrhage 3 Thickening of the nails is known as _____. a onychophagy b onychauxis c onychogryposis d onychorrhexis 4 Chewing or biting the nail results in the condition known as _____. a onychauxis b onychorrhexis c onychophagy d onychogryposis 5 The condition known as _____ is usually caused by a lack of circulating oxygen in the red blood cells. a bruised fingernails b bruised nail beds c discolored nails d blue fingernails 6 Soft spoon nails, or koilonychias, are often a sign of _____ deficiency, anemia, or a liver condition known as hemochromatosis. a calcium b keratin c iron d iodine