Cardiomyopathy: Pathophysiology,
Risk Factors, and Management With
Questions And Correct
Answers||Latest Exam 2026-
2027||Already Graded A+
Why is TBSA important in burn management? -CORRECT ANSWER It determines burn
severity, guides fluid resuscitation (Parkland formula), and predicts mortality
risk/complications.
At what TBSA percentage does a burn become 'major' and cause high risk of burn
shock? -CORRECT ANSWER >20% TBSA.
What are the two primary methods for measuring TBSA? -CORRECT ANSWER Rule of
9's and Lund-Browder chart (more accurate for children).
According to the Rule of 9's, what percent is the head/neck? -CORRECT ANSWER 9%.
Each arm accounts for what percent of TBSA? -CORRECT ANSWER 9% each.
Each leg accounts for what percent of TBSA? -CORRECT ANSWER 18% each.
What percent is the anterior trunk? -CORRECT ANSWER 18%.
What percent is the posterior trunk? -CORRECT ANSWER 18%.
What percent is the perineum? -CORRECT ANSWER 1%.
What is the TBSA for burns to the entire left arm and anterior left leg? -CORRECT
ANSWER Total = 18%.
What TBSA is affected by a burn covering the entire posterior trunk? -CORRECT
ANSWER 18%.
What is the TBSA for burns to the anterior trunk, perineum, and head? -CORRECT
ANSWER 28%.
What are the four major types of burns? -CORRECT ANSWER Thermal, chemical,
electrical, radiation.
, What causes thermal burns? -CORRECT ANSWER Flame, scald, or contact.
Which chemical agents cause deeper burns: acids or alkalis? -CORRECT ANSWER
Alkalis—they keep penetrating.
What is the 'iceberg effect' in electrical burns? -CORRECT ANSWER Superficial injury
may look minor, but extensive internal damage occurs.
What major complications are electrical burns associated with? -CORRECT ANSWER
Dysrhythmias and myoglobinuria → kidney failure.
What causes radiation burns? -CORRECT ANSWER Sunburn and industrial radiation
exposure.
What skin layers are involved in partial-thickness burns? -CORRECT ANSWER
Epidermis + part of the dermis.
What do partial-thickness burns typically look like? -CORRECT ANSWER Painful,
blistering, moist, red/pink, blanch with pressure.
How do partial-thickness burns heal? -CORRECT ANSWER By re-epithelialization.
What layers are involved in full-thickness burns? -CORRECT ANSWER Entire dermis +
subcutaneous tissue.
Describe the appearance of a full-thickness burn. -CORRECT ANSWER White,
charred, or leathery.
Why do full-thickness burns sometimes have no pain? -CORRECT ANSWER Nerve
endings are destroyed.
How do full-thickness burns heal? -CORRECT ANSWER Require grafting.
What is the main concern with inhalation injury? -CORRECT ANSWER Airway
obstruction → respiratory failure.
Name five signs of inhalation injury. -CORRECT ANSWER Burns to face/neck, singed
nasal hairs/eyelashes, hoarse voice, soot in mouth/sputum, drooling, stridor (late).
Why should intubation occur early? -CORRECT ANSWER Airway edema can occur
rapidly.
What is the center zone with irreversible necrosis called? -CORRECT ANSWER Zone
of coagulation.