Question

match the percent of burn to the correct area(s)
the head and neck
each upper limb
each lower limb
9% of the total body surface
1% of the total body surface
18% of the total body surface
the front portion of the trunk
the back portion of the trunk
the perineum

Explanation:

In the "rule of nines" for estimating burn - surface area in humans, the head and neck account for 9% of total body surface area, each upper limb accounts for 9% of total body surface area, each lower limb accounts for 18% of total body surface area, the front and back portions of the trunk each account for 18% of total body surface area, and the perineum accounts for 1% of total body surface area.

Answer:

9% of the total body surface: The head and neck, Each upper limb
1% of the total body surface: The perineum
18% of the total body surface: Each lower limb, The front portion of the trunk, The back portion of the trunk