Osteogenesis imperfecta is a genetic disorder characterized by brittle bones that break easily, caused by a defect in the synthesis of collagen type 1.

Here are the answers to the questions: 38. Osteogenesis imperfecta is a genetic disorder characterized by brittle bones that break easily, caused by a defect in the synthesis of collagen type 1. B. Osteogenesis imperfecta. 39. After a subtotal thyroidectomy, it is crucial to prevent strain on the surgical incision and sutures. Hyperextending the neck could compromise the surgical site. B. "You must avoid hyperextending your neck after surgery" 40. A serum calcium level of 7.2\,mg/dL indicates hypocalcemia. Trousseau's sign (carpal spasm induced by inflating a blood pressure cuff) is a classic sign of hypocalcemia. D. Trousseau's sign. 41. The standard procedure for a Snellen visual acuity test involves testing each eye individually first (usually right then left), and then testing both eyes together. The client stands 20 feet from the chart. D. The right eye is tested followed by the left eye, and then both eyes are tested. 42. A tonometer is a specialized instrument used to measure the pressure inside the eye, known as intraocular pressure. D. Tonometer 43. Glaucoma causes irreversible damage to the optic nerve, leading to permanent vision loss. Treatment aims to prevent further loss, but cannot restore vision that has already been lost. A. "Although some vision has been lost and cannot be restored, a further loss may be prevented by adhering to the treatment plan." That's 2 down. 3 left today — send the next one.