A nurse is teaching a newly licensed nurse about the differences between a plaster cast and a synthetic cast. Which of the following information should the nurse include in the teaching?
"Drying time is prolonged with a synthetic cast."
"A synthetic cast is lighter."
"A plaster cast weighs less."
"Application of a plaster cast requires specialized equipment."
The Correct Answer is B
Choice A reason: This statement is incorrect. Synthetic casts typically dry much faster than plaster casts. Plaster casts can take 24 to 48 hours to fully harden, while synthetic casts made from materials like fiberglass or plastic can harden within a few hours.
Choice B reason: This is the correct statement. Synthetic casts are indeed lighter than plaster casts. They are made from materials like fiberglass, which is lighter than the traditional plaster of Paris used in plaster casts.
Choice C reason: This statement is incorrect. Plaster casts are generally heavier than synthetic casts. The weight of a cast can be an important consideration, especially for children or for those who may have difficulty managing a heavier cast.
Choice D reason: This statement is incorrect. Both plaster and synthetic casts require specialized equipment for application, but it is not specific to plaster casts. The application involves similar steps for both types, including the use of a stockinette, padding, and then the casting material itself.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Propranolol is contraindicated in patients with asthma as it may cause bronchoconstriction, exacerbating respiratory difficulties.
Choice B reason: Glaucoma is not a contraindication for propranolol; in fact, betablockers can be used to treat glaucoma by reducing intraocular pressure.
Choice C reason: Depression is not a direct contraindication, but caution is advised as propranolol can sometimes worsen symptoms of depression.
Choice D reason: Propranolol is often used as a preventive treatment for migraines and is not contraindicated in patients with this condition.
Correct Answer is B
Explanation
Choice A reason: The visibility of chest tube eyelets is not typically a concern unless there is evidence that the tube is dislodged. In normal circumstances, the eyelets may not be visible, and this does not necessarily indicate a need for intervention.
Choice B reason: The development of subcutaneous emphysema, which is the presence of air in the subcutaneous tissue, can be a sign of a serious complication such as a pneumothorax. It requires immediate assessment and possible intervention to prevent further complications.
Choice C reason: Tidal fluctuation in the water seal chamber is a normal finding when a chest tube is in place. It indicates that the system is patent and functioning correctly as it reflects the pressure changes in the pleural space during respiration.
Choice D reason: Continuous bubbling in the suction control chamber may indicate an air leak in the system, which could be normal if the system is set to continuous suction. However, if the bubbling is vigorous and the system is not set to continuous suction, it may indicate a new air leak and require intervention.
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