Ch 9 Flashcards
The natural nail is part of what system?
a. Muscular
b. Integumentary
c. Skeletal
d. Protective
b. Integumentary
As it grows, the _____ slides across the nail bed.
a. cuticle
b. nail plate
c. nail grooves
d. mantle
b. nail plate
The nail plate is formed by the _____.
a. matrix cells
b. cuticle
c. mantle
d. grooves
a. matrix cells
Which of the following may appear to be one solid piece, but is actually constructed of about 100 layers of nail cells? a. Lunula b. Nail bed c. Nail folds d. Nail plate
d. Nail plate
Which part of the nail unit is richly supplied with blood vessels and with nerves?
a. Lunula
b. Nail bed
c. Nail folds
d. Nail plate
b. Nail bed
The nail bed contains many nerves and is attached to the nail plate with a thin layer of tissue called the _____.
a. bed eponychium
b. bed lunula
c. nail mantle
d. bed epithelium
d. bed epithelium
Karen is very nervous at her first job interview. Her hands are sweating so much that she thinks her
fingernails are sweating. In reality, from which part of the nail unit is the sweat most likely arising?
a. Lunula
b. Nail bed
c. Nail folds
d. Nail plate
c. Nail folds
Nail polish is applied to the _____.
a. lunula
b. nail bed
c. nail folds
d. nail plate
d. nail plate
The living skin at the base of the nail plate is the _____.
a. eponychium
b. hyponychium
c. free edge
d. bed epithelium
a. eponychium
The slightly thickened layer of skin that lies between the fingertip and the free edge of the natural nail plate is the \_\_\_\_\_. a. eponychium b. mantle c. hyponychium d. matrix
c. hyponychium
When clipping his own nails, Jose accidentally (and painfully) clips the skin under the nail between the
fingertip and the free edge. What has he clipped?
a. Ligament
b. Hyponychium
c. Nail groove
d. Eponychium
b. Hyponychium
The tough band of fibrous tissue that connects bones is the _____.
a. bed epithelium
b. ligament
c. open muscle
d. nail tendon
b. ligament
A longer nail matrix produces a _____ nail plate.
a. longer
b. shorter
c. thicker
d. thinner
c. thicker
