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80 Cards in this Set
- Front
- Back
Physiology is most accurately described by this answer:
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Study of the internal workings of living organs
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The largest organ of the body is:
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Skin
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Appendages include:
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Hair, nails, sweat and oil glands
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Your skin contains what fraction of your body's primary immune cells?
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One half
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What does the skin protect against?
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Outside elements and microorganisms
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The barrier function of the skin includes:
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The acid mantle
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What is the average pH of the acid mantle?
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4.5-5.5
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What does TEWL stand for?
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Transepidermal water loss
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The intercellular cement between epidermal cells is made up of:
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Lipids
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The immune cells that protect us from infection are the:
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T cells
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Sensory nerve fibers are most abundant in the:
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Fingertips
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The average body's internal thermostat is set at _ degrees Fahrenheit
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98.6
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Which glands excrete perspiration and detoxify the body?
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Sudoriferous
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The sebaceous glands:
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Soften the skin, secrete sebum, and protect the skin from outside elements
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Absorption occurs through which part of the skin?
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Cells, follicles, pores
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It is important to understand the function of each layer of the skin because it helps you to:
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Correctly choose products and treatments
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Esthetician's are licensed to work on:
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The epidermis only
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About 95% of the epidermis is made up of:
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Keratinocytes
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Which answer most accurately describes the Stratum Lucidum?
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A translucent layer that allows sunlight to pass through to the skin
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What is the average cell turnover rate for the skin cells of the epidermis?
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28 days
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Desquamation is the:
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shedding of skin cells in the outermost layers of the stratum corneum
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Squamous cells are:
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Flat cells
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Which layer of the epidermis is located just below the stratum corneum?
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Stratum lucidum
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On which of these parts of the body is the skin the thickest?
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Palm of the hand
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Keratin and intercellular lipids are formed in the:
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Stratum granulosum
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Which layer of the skin produces melanin?
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Stratum germinitivum
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Mitosis occurs in which layer of the skin?
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Stratum germinitivum
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Which cells in the basal layer produce pigment granules?
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Melanocytes
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The thickest layer of the skin is called the:
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Dermis
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The two layers of the dermis are the:
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Papillary and reticular
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_______ aid in the production of collagen and elastin.
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Fibroblasts
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The junction of the dermis and the epidermis is called the ____ layer.
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Papillary
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Stretch marks are caused by:
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Damaged elastin fibers
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The primary cause of wrinkles is the damage and loss of:
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Elastin
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Subcutis or _______ tissue is found below the reticular layer.
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Adipose
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If you have folliculitis, you have:
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An ingrown hair
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Which fibers stimulate the arrector pili muscles?
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Motor nerves
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Differences to genetic skin color are due to:
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Whether the person has more pheomelanin or eumelanin
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Products that suppress melanin production by interrupting biochemical processes:
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Tyrosinase inhibitors
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Apocrine glands are most active:
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During emotional changes
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What do cells need in order to survive?
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Nourishment, to proliferate, protection
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Which of the following answers stimulate cell turnover?
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Alpha hydroxy acids
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Free radicals:
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are super oxidizers, attack cell membranes, steal electrons from other atoms or molecules
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Identify the greatest aging effect on the skin
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UV rays
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Which of these is an indication of free radical damage?
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Red, inflammed skin
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______ are called burning rays.
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UVB rays
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People with which natural hair color are particularly susceptible to sun damage?
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Red
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As estrogen depletes, skin begins to:
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lose its tone
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Estrogens used in hormone replacement therapy can come from:
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plants or animals
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Couperose veins can be caused by:
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alimentary problems, harsh cosmetics, heat/cold fluctuations.
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The branch of anatomy that deals with the nervous system and its disorders is known as:
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Neurology
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The nervous system is extremely important because it controls and coordinates the functions of ______
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All other body systems
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The system which is made up of the sensory and motor nerve fibers that extend from the brain and spinal cord and which are distributed to all parts of the body is called the ______ system
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peripheral
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The portion of the nervous system that functions without concious effotr and regulates the activities of the smooth muscles, glands, blood vessels, and heart is the _____ system
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Central
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The sympathetic and parasympathetic systems comprise two divisions of the ____ system
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Autonomic/peripheral
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The largest mass of nerve tissue in the body is the
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Brain
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The weight of the average brain is ______ oz.
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44 to 48
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The __________ is composed of masses of nerve cells with fibers running upward and downward; it originates in the brain and extends the length of the trunk.
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Spinal cord
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Another name for sensory nerves is:
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afferent nerves
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Another name for motor nerves is:
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efferent nerves
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nerves which contain both sensory and motor fibers and have the ability to both send and recieve messages are called
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mixed nerves
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An autonomic stimulus
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reflex
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The fifth cranial, trigeminal or trifacial nerve is the chief sensory nerve of the face and muscles that control
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chewing
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fifth cranial is the _______ of the cranial nerves
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largest
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Chief motor nerve of the face emerges near the lower part of the ear is the
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7th cranial nerve
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Nerve of the neck and back that originiates in teh spinal cord is:
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eleventh cranial
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Another name for circulatory is
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vascular
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heart is enclosed in a membrane called
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pericardium
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_____ in heart allow blood to flow in one direction
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valve
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with each pump blood flows from the ______ to the ventricles and out
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atria
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thick walled muscular elastic tubes
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arteries
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thin walled, minute blood vessels receiev nourishment
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capillaries
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thin walled blood vessels that prevent back flow
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veins
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sticky salty fluid that circulates
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blood
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function of _________ is to carry oxygen
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red corpuscles
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function of _______is kill disease
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white corpuscles
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colorless watery fluid derived from plasma
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lymph
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main source of blood to the head, face and neck
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common carotid
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the _____ artery supplies the forehead
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frontal
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teh ____ artery supplies the crown and side of the head
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parietal
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