General Anatomy and Physiology
What are cells ?
The basic units of all living things ?
The natural nail is technically referred to as the what?..
Onyx
What is Trichology?
The study of hair, including its diseases and care.
What is the Anagen phase ?
Known as the growth phase and the hair phase during the which new hair is produced.
This relaxers use reduction and oxidation to break what ?
Disulfide bonds
Nerve tissues carries messages to and from the what and controls what ?
The brain and controls all bodily functions.
What’s the difference between the cuticle and eponychium?
The cuticle is the nonliving colorless tissue attached to the nail plate while the eponychium is the living skin underneath the PNF found at the nail plate’s base covering the matrix area.
The cells go through a process called what ?
Keratinization
What is Hair elasticity?
Ability of the hair to stretch and return to it’s original length without breaking.
What is the measurement of a liquid’s thickness or thinness?
Viscosity
What does the pronator do ?
Muscle that turns the hand inward so the palm faces downwar.
Depressions running across the nail plate’s width due to a slowing production of matrix cells is called what ?
Beau’s line
What’s the difference a hydrogen and disulfide bond?
Hydrogen bond is a weak physical side bond and attracts opposite charges.
Disulfide bond is a strong chemical side bond.
What is the cell membrane?
Thin layer of tissue that surrounds the cell; it protects the interior of the cell from, its surroundings.
Thio neutralization relies on ?..
Relies on an oxidation process to stop the action of the relaxer solution and rebuild the hair into its new form .
What’s the difference between adductors and abductors?
Adductors- Draw the body part toward the midline of the body; draw the fingers together in the hand.
Abductors - Muscles that draw a body part away from the midline of the body; separate the fingers in the hand.
What is the symptom of the onychia?
Matrix inflammation and nail shedding caused by infection or injury.
What consists of brown and black pigment and is the predominant pigment in black and brunette hair?
What is the yellow to red pigment in natural blonde and red shades of hair ?
Eumelanin
Pheomelanin
What does the bicep produce ?
Produces the contour of the front and inner side of the upper arm
Keratin- based smoothing treatment is also called what
Brazilian keratin treatments.
Sudoriferous glands is known as what while sebaceous glands is know as ….?
Sweat Glands
Oil Glands
What is the first step of a Hand, Nail, and Skin Analysis?
Clean the hands of both the cosmetologist and the client.
What is a whorl and cowlick?
Whorl occurs when hair leaves the follicles at an angle and the hair grows in a circular pattern.
Cowlick is when the hair grows straight up or at a different angle than the other hair.
What is the connective tissue ?
Fibrous tissue that binds and supports other body tissues and organs
Name 2 low pH relaxers
Ammonium sulfat, ammonium sulfite, and ammonia bisulfite.