TCRN - Burns Exam 2024/2025 with 100% Correct Answers, Exams of Nursing

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TCRN – BURNS EXAM 2024/2025 WITH

100% CORRECT ANSWERS

Alkaline Penetrate tissue more deeply - correct answer✔✔ More serious chemical burns? Irreversible injury/ Necrotic tissue Less superficial. Vascular damage and inflammatory response Peripheral and superficial area of burn (1st deg) - correct answer✔✔ Zone of coagulation Zone of stasis Zone if hyperemia Onset of acute phase of burn injury Caused by fluid shifting from interstitial space into the vascular space Partial thickness - greatest fluid loss occurs on day of injury Full thickness - greatest fluid losses peak by day 4 post burn - correct answer✔✔ Diuresis

Partial thickness First degree/superficial Local pain, erythema no blister, dry, skin blanches - correct answer✔✔ Burn that affects epidermis only? 2nd degree Superficial partial Mottled, red, moist, blisters, painful or deep partial - correct answer✔✔ Burn that affects epidermis and dermis? Deep partial Mottled, areas of waxy white discoloration , no blanching , decreased moisture - correct answer✔✔ 3rd degree Full thickness White, cherry red, brown , or black and dry, hard and leathery - correct answer✔✔ Burn that affects epidermis, dermis , subcutaneous? Deep muscle - correct answer✔✔ Extent of injury for electrical burns? Tissue damage determined by current density , smaller the area that comes in contact, greater the tissue damage - correct answer✔✔ Electrical burns

Copious irrigation - correct answer✔✔ Management of chemical Burns? Tachycardia , narrowed pulse pressure - correct answer✔✔ CV signs of burn shock? Increase urine output - correct answer✔✔ S/s of reversal of burn shock? 4th degree Full thickness - correct answer✔✔ Burn that affects muscle and bone? 1% BSA - correct answer✔✔ Palm Lund and Browder Chart - correct answer✔✔ Chart to assess amount of BSA burned 18% BSA 9% - correct answer✔✔ Child's head? Adult? Adult Head 9 UE 9 Peri 1 LE 18 Front 18 Back 18 Pedi (greater than 10 yo) Head 18

UE 9

LE 18

Front 18 Back 18 - correct answer✔✔ Rule of Nines Singed nasal, facial , eyebrow hairs - correct answer✔✔ S/ inhalation injury? Serum test Toxic 25-35% Fatal >60% - correct answer✔✔ Carbon monoxide test? Altered LOC - correct answer✔✔ Clinical sign of carbon monoxide / cyanide? Size of burn - correct answer✔✔ Fluid resuscitation determined by? Cover w sterile sheet - correct answer✔✔ Prehospital care for burn wound? Important in children and infants during resuscitation - correct answer✔✔ Dextrose w fluids LR - correct answer✔✔ Most commonly used fluids for buns? 1/2 calculated amount in first 8 hours and remaining in last 16 hours Volume LR= 2ml x body weight in kg x % TBSA burned (Pedi is 3ml) - correct answer✔✔ Parkland formula?

Chest wall escharatomy - correct answer✔✔ Elevating peak inspiration pressures? 100% oxygen - correct answer✔✔ Initial intervention carbon monoxide poisoning? Petroleum products to decrease heat and burning - correct answer✔✔ Tar or asphalt on skin? Quarantine Saturate clothing with water before removing - correct answer✔✔ Radiation exposure Tepid water and mild soap - correct answer✔✔ Cleaning burn wound Cartilage -ears/nose - correct answer✔✔ Sulfamylon Large area burns (not deep burn infections) - correct answer✔✔ Silvadene .5-1 ml/kg/hr (1-2 for kids under 30 kg) - correct answer✔✔ Urine output 86 degree or higher with burns >50% - correct answer✔✔ Room temp Distal palmar arch vessels Posterior tibial - correct answer✔✔ Doppler to assess need for escharatomy Can be added during Reid to lower total volume requirement and shift fluid back into vascular space - correct answer✔✔ Hypertonic saline

Present due to hypermetabolic state in severely burned - correct answer✔✔ Tahchypnea, fever, tachycardia Inhaled amyl nitrate & IV sodium nitrate Complication hypoxemia - correct answer✔✔ Tx cyanide poisoning in house fire? Metabolic acidosis (S/s hyperventilate to lower PaCO2) - correct answer✔✔ Abnormal labs cyanide poisoning? Sodium bicarbonate/ mannitol to alkanilize urine and flush thru renal system - correct answer✔✔ Rhabdo/ myoglobinuria Cat bites / deeper puncture can trap bacteria. - correct answer✔✔ Animal bite with highest infection rate?