Pathology Quiz 2

moonlup's version from 2016-10-10 19:09


Question Answer
Pathogenesishow lesions develop
Pathophysiologyhow lesions result in clinical signs
Atopic vs Atrophic dermatopathy
Skin functionsprotect, regulates temp/BP, sensory, produces Vit. D, stores nutrients, absorbs, resp., innate/adaptive immunity
Epidermal layersstratum: corneum, granulosum, spinosum, basale
What cell makes up epidermis?keratinocytes
What does the basement membrane zone separate?epidermis and dermis
What makes up the basement membrane zone?hemidesmosomes, lamina lucida, lamina densa
What makes up the dermis?collagen and elastin fibers in glycosaminoglycan ground substance
What's the name of the blood vessels in the epidermis?trick question, no blood vessels there
What is subcutis?connects dermis to musculoskeletal system, made of adipose, collagenous and elastic fibers
What is Adnexa?part of dermis that contains hair follicles, sweat glands, sebaceous glands, other specialized structures
What is most important barrier against infection and fluid loss?stratum corneum
Steps in regeneration and repairBlood clotting, inflammation, re-epithelialization, fibroplasia, angiogenesis, wound contraction, tissue remodeling
What does hyperkeratosis cause?flaky, scaly skin
Primary cornification disordersprimary seborrhea, hereditary hyperkeratosis, ichthyosis
Secondary cornification disordersnutritional disorders, response to chronic inflammation/trauma
Acanthosisepidermal hyperplasia
Dyskeratosispremature keratinization of epidermal cells
Apoptosiscell death, usually in immune-mediated disorders.
Dysplasiaabnormal development