NCIDQ IDFX Practice Exam

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What is the recommended adjustable keyboard height for a computer workstation?

22-24 inches
26-28.5 inches
30-32 inches
24-26 inches

The correct answer is: 26-28.5 inches

The recommended adjustable keyboard height for a computer workstation is between 26-28.5 inches. This range is based on ergonomic principles that take into account the average height and seated posture of users. When the keyboard is positioned in this height range, it allows users to maintain a neutral wrist position, which is crucial for reducing the risk of repetitive strain injuries. Moreover, it helps in keeping the elbows at a 90-degree angle, ensuring comfort while typing and preventing shoulder strain. A height of 22-24 inches would generally be too low for most people, potentially causing the wrists to bend uncomfortably, while a height of 30-32 inches would typically be too high, leading to strain on the shoulders and back. Similarly, the 24-26 inches range may not accommodate users of various statures adequately, as it might still be on the lower or higher end for many individuals. Thus, the 26-28.5 inches range strikes a balance that supports a wide variety of users effectively.