The nurse assesses that a client has nailbed clubbing. Which additional information is consistent with this finding?

A. Absent deep tendon reflexes. Clubbing is associated with chronic hypoxia rather than neurological dysfunction. Absent deep tendon reflexes are more commonly linked to neuromuscular disorders rather than conditions causing clubbing. B. Oxygen saturation of 85%. Clubbing of the nails is often a sign of long-term hypoxia, commonly seen in chronic lung diseases, congenital heart defects, and other conditions that impair oxygenation. A low oxygen saturation (85%) is consistent with the chronic hypoxia that leads to clubbing. C. Capillary refill less than 3 seconds. Normal capillary refill time indicates good peripheral circulation, but it does not correlate with clubbing. Clubbing develops due to prolonged oxygen deprivation rather than acute changes in circulation. D. 3+ peripheral dependent edema. Peripheral edema is associated with fluid retention and conditions like heart failure or kidney disease. While some heart conditions can cause both edema and hypoxia, edema itself is not a direct cause or consequence of clubbing.