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Exam (elaborations)

NURS 247 Exam 2 Practice Questions and Verified Answers

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  • Course
  • NUR 247
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  • NUR 247

What is alopecia? baldness, hair loss What does annular mean? circular shape to skin lesion What are some of the functions of the skin? can adapt to environment to deal with heat and cold, guards our body from environmental stressors, trauma, pathogens, dirt What is the epidermis? most superfici...

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  • July 22, 2024
  • 13
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
  • NUR 247
  • NUR 247
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twishfrancis
NURS 247 Exam 2 Practice Questions and Verified Answers What is alopecia? ✅baldness, hair loss What does annular mean? ✅circular shape to skin lesion What are some of the functions of the skin? ✅can adapt to environment to deal with heat and cold, guards our body from environmental stressors, trauma, pathogens, dirt What is the epidermis? ✅most superficial layer of skin, highly differentiated, thin, tough, avascular, made up of protein keratin with melanocytes What is the dermis? ✅directly deep to the epidermis, supportive layer, connective tissue/collagen, elastic, contains nerves, sensory receptors, blood vessels, lymphatics What is underneath the skin? ✅Subcutaneous layer of adipose tissue, made up of lobules of fat cells, stores far for energy, provides insulation, protection/cushion, mobility over structures underneath What is vellus? ✅fine, faint hair covers most of the body except palms, soles, dorsa of fingertips, umbilicus, penis, labia What is terminal hair? ✅darker, thicker hair that grows on eyebrows, scalp, and after puberty in axilla, pubic area & chest/face in the male What are sebaceous glands? ✅(lubricates skin) produce protective lipid substance, sebum secreted through hair follicles, oils and lubricates, prevents water loss, everywhere except palms and soles What are sweat glands? ✅Eccrine: coiled, openly directly on skin surface, produce sweat Apocrine: (more active during puberty) produce thick milky solution, open into hair follicles, secretion occurs with emotional and sexual stimulation Are nails vascular or avascular? ✅highly vascular under nails What could you do if nail matrix becomes damaged and often infected? ✅go in and kill nail matrix so that the nail will no longer grow True/False: Sometimes skin can signal that there is a systemic issue. ✅True Functions of skin include? ✅Protection (from injury) Prevents penetration (microbes, prevents water loss) Perception (touch, pain, temp, pressure) Temperature Regulation (heat dissipation/storage) Identification (facial characteristics) Communication (blushing, blanching) Wound repair (cell replacement) Absorption & Excretion (excretion of metabolic wastes) Production of Vitamin D (UV light converts cholesterol into VD) What is lanugo? ✅fine downy hair that covers most newborns at birth What is vernix caseosa? ✅thick, cheesy substance, sebum & shed epithelial cells What can cause milia/cradle cap in infants? ✅excess sebum to prevent fluid loss the first few weeks What is the dark line across belly when pregnant called? ✅Linea nigra What is the technical term used for stretch marks? ✅Striae Gravidarum What happens to aging skin? ✅loss of elastin, collagen, and subcutaneous fat, more risk for trauma, thinning skin, decrease in vascularity and nutrients What is melasma? ✅Dark pigment on face What is pseudo -folliculitis? ✅Almost infected hair follicles, more of an inflammatory response What is xerosis? ✅dry skin What is seborrhea? ✅oily skin What is pruritis? ✅itchy skin Lung disease can? ✅change shape of the nails What is some subjective data for skin? ✅hyper or hypo pigmentation tattoos present jaundice cyanosis pigmented lesions (mole) frost on skin (uremia=kidney failure)

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