Home » NCLEX » NCLEX-RN » When giving discharge instructions to a 24-year-old client who had a short-arm cast applied for a fractured right ulna, the nurse recognizes the importance of telling him that the drying time for a plaster of Paris cast is approximately:
When giving discharge instructions to a 24-year-old client who had a short-arm cast applied for a fractured right ulna, the nurse recognizes the importance of telling him that the drying time for a plaster of Paris cast is approximately:
A. 30 minutes
B. 14 hours C. 1224 hours D. 2472 hours
C. 1224 hours D. 2472 hours
D. 2472 hours
Correct Answer: D
Explanation/Reference:
Explanation:
(A) Synthetic cast materials harden in 315 minutes. Weight bearing is permitted in 1530 minutes. Drying time for plaster of Paris is about 2472 hours. (B, C) Plaster of Paris cast materials are heavier than synthetic materials and require a drying time of 2472 hours. Synthetic materials dry within 30 minutes. (D) Plaster of Paris cast materials are heavier thansynthetic materials and require a longer period to set and dry. Even though setting time (hardening) is only 315 minutes, the drying time for plaster of Paris is 2472 hours. This depends on the size and thickness of the cast, exposure to air, and humidity in the air.
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