Mcqsurgery.com The place for doctors to try competitive surgery Questions in burns
Q1. Which of the following is not an indication for admission in a case of burns
a) Full thickness burns more than 5% of total body surface area (TBSA)
b) Partial thickness burns more than 10% in adults
c) Partial thickness burns more than 10% in children
d) Inhalationsl burns
Q2. Which is the site for escharotomies in extremities for deep burns?
a) Anterior aspect
b) Posterior Aspect of the limb
c) Medial or lateral aspect of limb
d) It can be anywhere
Q3. Which of the following is not true about carbon monoxide poisoning?
a) It shift the oxygen hemoglobin dissociation curve to left
b) Kills cytochrome
c) It increases displacemnet of oxygen from hemoglobin
d) Direct action occurs on central nervous system
Q4. Which is not true regarding infectious complications in a burn patient?
a) The incidence of serious infections increase in proportion to the total body surface area (BSA)
b) Flame, Chemical, Inhalational burn injury and full thickness burns are more prone for infection
c) Catheter related sepsis is more common than local wound sepsis
d) Burn wound septicemia has 80% mortality in children
Indications of admission for a burn patient are generally
- Partial thickness burn more than 10% in age less than 10 and more than 50 years
- Partial thickness burn more than 20% in adults
- Partial thickness burn of face, hand, feet, perineum
- Full thickness burn more than 5% TBSA
- Chemical burns, Inhalational burns, Electric burns
- Burns with other medical illness
- Burns with other trauma, like bony fractures
Note- scalds are the most common burns in civilian practise
The escharotomy should be away from the main arterial and venous blood supply. Mid medial or mid lateral aspect of extremity is chosen for escharotomy.
the incision is taken deep to the eschar through to the dermis into the subcutaneous fat.
1st degree burns-- Involve the epidermis, Do not blister, erythematous
2nd degree superficial partial thickness involves upper dermis. It is very sensitive and forms blister
2nd degree deep partial thickness burn involves Reticular dermis
3rd degree burn all layers of dermis with contractures
4th degree burn involves the subcutaneous tissue as well.
Poisoning with carbon monoxide poisoning leads to formation of carboxyhemoglobin which has 200 times more affinity for hemoglobin.
Carboxyhemoglobin prevents reversible displacement of oxygen. It shifts the oxygen hemoglobin dissociation curve to the left , kills the cytochrome, direct action on CNS and direct toxicity to cardiac and skeletal muscles.
Burn victims are susceptible to a wide variety of infections associated with relative immunosuppression (which occurs with burns of 30% TBSA or more) and complications of intensive care. Virtually any organ can become the target of an infection in such patients. The most common infections in burned children are those related to the burn wound and catheter-associated septicemia
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Surgery Multiple Choice Questions on burns. This site is for medical students to help them prepare for various entrance examinations.
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