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A 40-year-old male patient presents with partial-thickness burns affecting the anterior right arm, anterior trunk, and anterior right leg and anterior left leg. Based on the Rule of Nines, what percentage of the total body surface area (TBSA) is burned?

50%

40.5%

20.5%

30.5%

Answer and Explanation

The Correct Answer is B

A. 50%. This overestimates the TBSA based on the Rule of Nines.

B. 40.5%. Using the Rule of Nines:

Anterior right arm = 4.5%
Anterior trunk = 18%
Anterior right leg = 9%
Anterior left leg = 9%
Total TBSA = 4.5% + 18% + 9% + 9% = 40.5%

C. 20.5%. This underestimates the TBSA affected by burns.

D. 30.5%. This does not accurately reflect the total body surface area affected.

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Correct Answer is C

Explanation

A. Deep Tissue Injury. Deep tissue injuries appear as intact or discolored skin (purple or maroon) due to underlying soft tissue damage. This wound is already open with slough, so it does not fit this category.

B. Stage III Pressure Ulcer. A Stage III pressure ulcer involves full-thickness skin loss with visible subcutaneous tissue, but the wound depth must be assessable. Since the slough covers the wound, the depth cannot be determined.

C. Unstageable Pressure Ulcer. An unstageable pressure ulcer is one where the base of the wound is covered with slough or eschar, preventing assessment of the full depth of tissue damage. Until the slough is removed, the stage cannot be determined.

D. Stage II Pressure Ulcer. A Stage II ulcer has partial-thickness skin loss with exposed dermis, often appearing as an open blister or shallow wound. The presence of thick slough suggests deeper involvement, making this an incorrect classification.

A. Increased hip range of motion and absence of pain B. Reports of hearing a "pop" at the time of pain onset C. Ability to bear weight on the affected leg without discomfort D. Symmetric leg length with normal alignment

Correct Answer is B

Explanation

A. Increased hip range of motion and absence of pain. A hip dislocation causes severe pain and reduced mobility, not increased range of motion. This option is incorrect.

B. Reports of hearing a "pop" at the time of pain onset. A "popping" sound often occurs when the prosthetic hip dislocates from the joint, making this a key symptom of hip dislocation.

C. Ability to bear weight on the affected leg without discomfort. A hip dislocation causes severe pain and functional impairment, making weight-bearing extremely difficult or impossible.

D. Symmetric leg length with normal alignment. A dislocated hip causes the affected leg to appear shortened and externally rotated, so symmetrical leg length would not be expected.

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A 40-year-old male patient presents with partial-thickness burns affecting the anterior right arm, anterior trunk, and anterior right leg and anterior left leg. Based on the Rule of Nines, what percentage of the total body surface area (TBSA) is burned?

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Correct Answer is C

Explanation

Correct Answer is B

Explanation

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