Question

a medical assistant needs to apply a triangular wound dressing to a patients injury. the sides of the triangular dressing measure 5 cm, 6 cm, and 10 cm. to ensure the dressing is the right size, the medical assistant needs to calculate the perimeter. what is the perimeter of the dressing?

20 cm
29 cm
22 cm
21 cm

question 3 (2.5 points)
a medical coder needs to create a triangular section on a digital medical chart to emphasize specific billing codes. the sides of this triangular section measures 5 inches, 12 inches, and 13 inches. to make sure the section is correctly sized, the coder needs to find the perimeter. what is the perimeter of the section?

25 in

Explanation:

Calculate the perimeter of the wound dressing

$$ P_1 = 5\text{ cm} + 6\text{ cm} + 10\text{ cm} = 21\text{ cm} $$

Calculate the perimeter of the digital chart section

$$ P_2 = 5\text{ in} + 12\text{ in} + 13\text{ in} = 30\text{ in} $$

Answer:

Question 1

• (A) 20 cm
• (B) 29 cm
• (C) 22 cm
• (D) 21 cm (Correct answer)

Question 2

• (A) 30 in (Correct answer)