TNCC Burn and Thermal Trauma

Question 1

When using the Rule of Nines to estimate total body surface area (TBSA) burned in an adult, what percentage is assigned to the entire head and neck?

Accepted Answer

9%

Answer

18%

Answer

4.5%

Answer

1%

Question 2

A burn wound that is moist, blistered, and extremely painful with a red or pink base is classified as which type?

Accepted Answer

Superficial partial-thickness (second-degree) burn

Answer

Superficial (first-degree) burn

Answer

Deep partial-thickness burn

Answer

Full-thickness (third-degree) burn

Question 3

Using the Parkland formula, how much Lactated Ringer's should be administered in the first 8 hours after injury for a 70 kg patient with 30% TBSA burns?

Accepted Answer

4,200 mL

Answer

2,100 mL

Answer

8,400 mL

Answer

6,300 mL

Question 4

What is the highest priority intervention when managing a patient with facial burns, singed nasal hairs, and hoarseness?

Accepted Answer

Securing the airway with early endotracheal intubation

Answer

Initiating IV access and beginning fluid resuscitation

Answer

Calculating the total body surface area burned

Answer

Applying cool water to burned facial areas

Question 5

A patient rescued from a house fire presents with headache, nausea, and confusion but has a pulse oximetry reading of 99%. Which explanation is most accurate?

Accepted Answer

Standard pulse oximetry cannot differentiate carboxyhemoglobin from oxyhemoglobin, yielding a falsely normal reading

Answer

The patient is hyperventilating and is not hypoxic

Answer

The confusion is caused by pain and not carbon monoxide

Answer

A normal SpO2 rules out significant carbon monoxide poisoning

Question 6

A patient with chemical burns from a strong acid should receive which immediate decontamination treatment?

Accepted Answer

Copious water irrigation for a minimum of 15–30 minutes

Answer

Application of a neutralizing alkaline agent to the skin

Answer

Application of baking soda paste to neutralize the acid

Answer

Dry brushing to mechanically remove the chemical

Question 7

A patient with circumferential full-thickness burns of the chest has increasing respiratory distress with rising peak airway pressures. What intervention should the trauma nurse anticipate?

Accepted Answer

Chest escharotomy to release the constrictive eschar

Answer

Administration of nebulized bronchodilators

Answer

Application of silver sulfadiazine dressings to the chest

Answer

Needle decompression for tension pneumothorax