21 A 7-year-old boy falls off his bicycle while riding down the street at 5 km/hr....

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21 A 7-year-old boy falls off his bicycle while riding down the street at 5 km/hr. The skin of his right calf and right armscrape along the pavement, and the top layer of epidermis is removed. Which of the following terms best describes this injury? □ (A) Incision (B) Contusion □ (C) Laceration □ (D) Burn ☐ (E) Abrasion 21 A 7-year-old boy falls off his bicycle while riding down the street at 5 km/hr. The skin of his right calf and right armscrape along the pavement, and the top layer of epidermis is removed. Which of the following terms best describes this injury? □ (A) Incision (B) Contusion □ (C) Laceration □ (D) Burn ☐ (E) Abrasion