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Chapter 5 & 6 Integumentary & Osseous Tissue
50 Questions - Developed by:
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A&P Lecture Test #3
The Dermis layer is made up of all except?
All are functions of the skin, except?
Synthesizes Vitamin D3
The ______ layer of the epidermis, contains langerhans cells, 8-10 layers of kertinocytes, and continues to divide.
Stratum Corneum (horn layer)
Stratum Granulosum (grainy layer)
Stratum Spinosum (spiny layer)
Thick skin has how many layers?
Epidermis is all the following, except?
A vascular stratified squamous epitelium
Top layer of skin
Nutrients and oxygen diffuse from the dermis
Contain keratinocytes with large amounts of keratin (most abundant cell of the epidermis)
__________ ___________ is the loss of water without noticing, interstitial fluid lost by evaporation through the stratum corneum.
The build up of bile production by the liver?
Vitiligo, causes loss of color
Addison's disease, causes skin darkening
Jaundice, yellow coloring of the eyes and skin
Calicitriol, is a hormone that commands what organ to absorb calcium?
The ABCD's of Skin Cancer are?
Discoloration, Consistency, Assymmetry, Border
Assymmetry, Color, Diameter, Border
Avascular, Condition, Benign, Discoloration
The worst type of skin cancer is?
Squamous cell carcinoma
Basal cell carcinoma
Wrinkles and sagging are caused by all, except?
Makeup & chemical exposure
Strong, due to collagen fibers; elastic, due to elastic fibers; flexible (skin tugor); contains blood vessels & sensory neurons- What layer of the skin is this?
Surgical incisions should be made along which lines to minimize scaring and improve chances for healing?
Cleavage lines (Laner's Lines)
____________ are caused by pressure usually over bony prominence, due to loss of blood supply to epidermal cells causing tissue distruction and/or necrosis.
_________ is the fine & soft hair that covers the body surface.
The growth of hair occurs at ___________.
Cortex of hair
Apocrine sweat gland are all, except?
Discharge secretions on hair follicles
Break down and cause odors
Produce sticky, cloudy secretions
Found in armpits, around nipples, and groin
The pale crescent moon shape at the base of the nail?
All events occur in the repair of localized injuries, except?
Marcophages clean the area
Bleeding occurs, mast cells trigger inflammatory reponse
Scab stabilizes and protects the area
Fibroblast and endothelial cells clean the area
If a male child is burned extensively on the head and upper limbs, what is the percentage of burn (according to the rule of nine)?
What degree burn consist of the entire epidermis and some of the dermis with accessory structures not affected?
What is the leading cause of death in most patient with 3rd degree burns?
Septikos (sepsis) bacterial infection
Thermoregulation, increased fluid loss means increased evaporative cooling
Fluid loss, lose their effectiveness as barriers to fluid electrolyte losses
Changes in the skins appears are used to diagnose disorders in other systems. A patient presents with excessive bruising, which disorder would be suspected?
In the aging process all effects are seen in the skin, except?
Decrease in Vitamin D3 production
Decreased in glandular activity
Slower rate of repair
Reduction of elastic fibers
Identify the correct epidermal layer- has 15-30 layers of keratinized cells, water resistant, shed and replaced every two weeks?
Small, flat, irregularly shaped bones between the flat bones of the skull.
All of the following bone markings are a processes except?
Identify a depression, bone marking?
The _______________ is the long shaft made of compact bone with a central spase called marrow cavity.
__________ bone consist of an open network of struts and plates that resembles latticework with a thin covering or cortex, does not have blood vessels obtains nutrients by diffusion.
The membrane found wrapping the bones except at the joint cavity is the?
Rickets is due to what deficiency?
Poorly mineralized, and are quite flexible
Decrease in PTH, decrease in calcium absorption
Increase in Calcitonin, lowering blood calcium levels
Type of bone cell that is not calcified?
The mesenchymal, stem cell of bone?
The mixture of minerals in bone are _____ calcium phosphate and ______ collagen fibers.
Calcium phosphate reacts with calcium hydroxide to form ____________________.
Crystals of hydroxyapatite Ca10(PO4)6(OH)2
Found in the narrow cavity and central canals?
Red Marrow is found where?
Lack of stress during inactivity leads to the removal of ___________ and can result in ______ bone loss.
Epiphyseal plate, 1/4
Collagen fibers, 1/2
Calcium salts, 1/3
Immediately following a fracture, extensive bleeding occurs at the site of injury. A large blood clot forms called a ____________.
Callus of cartilage
What cells change and die to begin the endochondral ossification process?
Intramembranous Ossification (dermal ossification) occurs in the dermis, producing these bones except?
The lack of Vitamin C causing loss of bone mass and strength, is?
Acromegally is the overproduction of growth hormone with ________________.
Growth plates closed
Growth plates open
A plyability of connective tissue
Normal blood calcium levels (8.5-11 mg/dL), what would you see if the level was 12.5mg/dL
Parathyroid glands secrete PTH, increased reabsorption of calcium by the kidneys, calcium release from bone, increased calcitriol causing absorption from digestive system, level restored
Parathyroid gland secrete calcitonin, increased excretion of calcium by kidneys, calcium deposition in bone, level restored.
Thyroid gland produces calcitonin, increased excretion of calcium by kidneys, calcium deposition in bone, level restored.
Thyroid gland produce PTH, increased reabsorption of calcium by the kidneys, calcium release from bone, increased calcitriol causing absorption from digestive system, level restored
A break at the right angles to long axis of the bone?
Bones become weaker and thinner with age, is called?
Which hormone stimulates osteoblast?
Growth hormone and thyroxine
Estrogens and androgens
Calcitonin and parathyroid hormone
Wraps around the long bone and binds it together, made of compact bone?
Flat bone resembles a sandwich, comprised of?
Compact bone covered in periosteum
Diploe (spongy bone) between two layers of Cortex (compact bone)
Cortex (compact bone) between to layers of Diploe (spongy bone)
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