Nail Anatomy and Health Basics

Study set Question The appearance of the nails can reflect the general health of the body. The keratin in natural nails is softer than the keratin in hair. The water content of a healthy nail is between 5 and 10 percent Nail plates need oxygen, vitamins, and minerals. Toenails are thicker and harder than fingernails because the toenail matrix is longer than the finger matrix. Ordinarily, replacement of a natural takes about 4 to 6 months. The natural nail is part of what system? The water content of the natural nail directly affects the nails The most visible and functional part of the nail unit is the Agnail is another term for hangnail Leukonychia spots result from a calcium or zinc deficiency Pigment cells are termed melanocytes Excessive use of cuticle removers can cause onychorrhexis Onychophagy often leads to ingrown nails Splinter hemorrhages are always positioned lengthwise and the direction of the growth It is likely that a cosmetologist will get a fungal infection from a client The term molds is not used to describe discolorations of the nail plate caused by infections Onychomadesis may be caused by an allergic reaction of the nail bed. Nail psoriasis is not an infectious disease. The most visible and functional part of the nail unit is the The nail plate is constructed of how many layers of nail cells? The part of the nail plate that extends over the tip of the finger or toe is called the The portion of living skin that supports the nail plate is the The nail bed contains many nerves and is attached to the nail plate with a thin layer of tissue called the The area of the nail where the nail plate cells are formed is the The dead, colorless tissue attached to the natural nail plate is the The living skin at the base of the nail plate covering the matrix area is the The slightly thickened layer of skin that lies between the fingertip and the free edge of the natural nail plate is the The tough band of fibrous tissues that connects bones or holds an organ in place is the Normal, healthy nails grow in a variety of shapes, depending upon the shape of the The average rate of nail growth in the normal adult is about the surface of a healthy natural nail should be clients with skin or nails that are infected, inflamed, or swollen, should be referred to a a nail condition where blood clots form under the nail plate due to small injury of the nail plate is nails with a noticabley thin white nail plate that are more flexable than normal nails are visible depressions running across the width of the natural nail plate that are the result of a major illness or injury are Redness, pain, and swelling are signs of Answer True False False False True False Integumentary Flexibility Nail plate True False True True False True False True False True Nail plate 100 Free edge Nail plate Bed epithelium Matrix Cuticle Eponychium Hyponychium Ligament Matrix 1/10 Inch per month shiny smooth & unspotted with no ridges pits or splits Physician Bruised nail Eggshell nails Beaus lines Infection minor damage to the matrix that produces a whitish discoloration or white spots on the nail is A dark band within the nail plate extending from the base to the free edge due to increased pigmentation is Spilt or brittle nails with a series of lengthwise ridges and a rough appearance to the surface of the nail plate is: Curved nail plate often called a folded nail, caused by injury to the matrix or inherited, is: ridges running vertically down the natural nail plate are caused by parasites that under some conditions may cause infections to the hands and feet are in the early stages a typical bacterial infection on the nail plate can be identified as the naturally occurring skin bacterium that can grow out of control and cause nail infections incorrectly referred to as mold is any deformity or disease of the nails in general is called Leukonychia spots Melanonychia Onychophagy Plicatured nail Uneven growth and normal aging Fungi Yellow green spots pseudomonas aeruginosa Onychosis