ANSWERS
What are Corrugations? - CORRECT ANSWER✅✅✅Wavy ridges caused by uneven nail
growth; usually result of illness or injury.
(No impact) (Treatment: Buff over nails, keep hydrated with oil.)
What is the definition of Anatomy? - CORRECT ANSWER✅✅✅The study of body
structure
What is the stratum germinativum (stratum basale)? - CORRECT ANSWER✅✅✅-deepest
live layer of the epidermis
-produces new epidermal skin cells (mitosis)
- Moisture content approximately 83%
What is the stratum corneum? - CORRECT ANSWER✅✅✅1st layer of epidermis
(outermost)
What forms Chemicals? - CORRECT ANSWER✅✅✅atoms combine to form molecules
What are Furrows (corrugations)? - CORRECT ANSWER✅✅✅Deep horizontal ridges in
the plate. Caused by illness trauma or malnutrition. No treatment required. (Non impact)
What is the definition Physiology? - CORRECT ANSWER✅✅✅The study of body function
What is the Stratum Spinosum (Prickly Layer) - CORRECT ANSWER✅✅✅-Several cell
layers thick
-cells contain a weblike system of intermediate prekeratin filaments attached to desmosomes.
-Keratinocytes appear to have spines and are scattered among abundant melanin granules and
Langerhans' cells.
(4th deepest layer of epidermis)
,What is the stratum lucidum? - CORRECT ANSWER✅✅✅2nd layer of epidermis (not
always there)
What do molecules combine to form? - CORRECT ANSWER✅✅✅Combine to form cells
What is the stratum granulosum (granular layer)? - CORRECT ANSWER✅✅✅-thin; three
to five cell layers in which cells flatten
-keratohyaline and lamellated granules accumulate
- Moisture content is approximately 9-16% in this layer
-Cells die as no longer receiving nourishment
(3 middle layer of epidermis)
where is the stratum granulosum Found? - CORRECT ANSWER✅✅✅3rd layer of the
epidermis
Describe Leukonychia - CORRECT ANSWER✅✅✅Also known as white spots, whitish
discoloration of the nails caused by tiny bubbles of air caused by injury. (Non impact) (Will
grow out over time.)
What is the integumentary system? - CORRECT ANSWER✅✅✅Consists of the skin,
mucous membranes, hair, and nail
What is pterygium? - CORRECT ANSWER✅✅✅Hardened growth of the cuticle which has
grown over and stuck to the nail plate.
(non impact.) (Treat with regular manicures soften with paraffin or oil. Push back and can be
removed with cuticle nippers.)
What is the lymphatic system? - CORRECT ANSWER✅✅✅Lymph and Lymph nodes
protect against disease, transport fats and produce white blood cells.
, Where is the stratum spinosum found? - CORRECT ANSWER✅✅✅4th layer of epidermis
(prickly layer)
What forms Organs - CORRECT ANSWER✅✅✅Groups of tissues
What is Stratum corneum (horny layer)? - CORRECT ANSWER✅✅✅-20 to 30 cell layers
of dead, flat keratinized, membranous sacs,
-accounts for up to 3/4s of epidermal thickness.
-Cells held together by inter cellular cement
Dead skin cells constantly shedding (Desquamation)
-Functions: Protects from abrasion and penetration, Waterproofs, Barrier against biological,
chemical, and physical assaults
Top layer of epidermis
Where is the stratum germinativum? - CORRECT ANSWER✅✅✅deepest layer of
epidermis
What is the Endocrine System? - CORRECT ANSWER✅✅✅Provides glands which
produce hormones which regulate body functions like growth, reproduction and metabolism.
Describe Hang Nails - CORRECT ANSWER✅✅✅A condition in which the living skin
around the nail plate splits and tears. Prone to infection, can be a result of Pterygium. (Non
impact.) Treat with regular manicures, cut torn cuticles with nippers and soften.
Describe Lamellar dystrophy - CORRECT ANSWER✅✅✅Can effect one or more nails is
identified by flaking, peeling and breaking of the nail plate. Caused by harsh chemicals.
(Non impact) treatment of regular manicures and using moisturising products.
What is the Epidermis - CORRECT ANSWER✅✅✅outermost most layer of skin