Certified Surgical Technologist (CST) Practice Exam

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Study for the Certified Surgical Technologist Exam. Prepare with multiple choice questions, hints, and explanations. Enhance your understanding and boost your confidence for acing the exam!

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What size of Foley catheter is commonly used for adults?

8 Fr
12 Fr
16 Fr
24 Fr

The correct answer is: 16 Fr

The size of a Foley catheter that is commonly used for adults is 16 Fr (French). This size strikes a balance between adequacy for drainage and minimizing discomfort for the patient. It is specifically designed to effectively manage urinary drainage in a variety of situations, whether it's for short-term or long-term catheterization. A size of 16 Fr is appropriate for most adult patients and is frequently used in clinical settings due to its versatility. Catheters larger than this, such as a 24 Fr, may be used in particular situations, but they can cause more discomfort and are not necessary for standard adult patients. Conversely, sizes like 8 Fr and 12 Fr may be more suitable for pediatric use or specific cases where a smaller diameter is indicated. The choice of catheter size is important to ensure patient comfort while also maintaining effective urinary drainage.