PHTLS PHTLS - Prehospital Trauma Life Support Burns and Thermal Injuries

Question 1

Using the Rule of Nines in an adult patient, what percentage of total body surface area (TBSA) does the entire lower extremity represent?

Accepted Answer

18%

Answer

9%

Answer

27%

Answer

36%

Question 2

Which burn depth classification is characterized by dry, leathery, insensate skin that does not blanch with pressure?

Accepted Answer

Full thickness (third-degree)

Answer

Superficial (first-degree)

Answer

Partial thickness superficial

Answer

Partial thickness deep

Question 3

A patient with major burns over 30% TBSA requires IV fluid resuscitation. What is the preferred initial fluid per PHTLS guidelines?

Accepted Answer

Lactated Ringer's solution

Answer

Hypertonic saline

Answer

Dextrose 5% in water

Answer

Albumin

Question 4

In prehospital burn care, when should you stop the burning process by cooling a wound with water?

Accepted Answer

Immediately, with cool (not cold) water for 10–20 minutes

Answer

Only if transport time exceeds 60 minutes

Answer

Only for chemical burns, not thermal burns

Answer

After covering with dry sterile dressings first

Question 5

A patient is found unconscious in a burning building. Which inhalation injury concern takes highest priority in management?

Accepted Answer

Carbon monoxide poisoning

Answer

Upper airway thermal burns causing edema

Answer

Lower airway chemical burns from combustion products

Answer

Cyanide toxicity from synthetic materials

Question 6

Which finding is the most reliable early sign of inhalation injury requiring airway intervention?

Accepted Answer

Hoarseness or stridor

Answer

Carbonaceous sputum only

Answer

Singed nasal hairs only

Answer

Facial burns with erythema