NR 509 Exam Study Guide with Questions and Solutions

NR 509 Exam Study Guide with Questions and Solutions 1. Which of the following changes are expected in vision as part of the normal aging process? A) Cataracts B) Glaucoma C) Macular degeneration D) Blurring of near vision ANSWER Ans: D The lens loses its elasticity over time as part of the normal aging process, and the eye is less able to accommodate and focus on near objects; therefore, the patient will be expected to have blurring of near vision. 2. A 72-year-old retired truck driver comes to the clinic with his wife for evaluation of hearing loss. He has noticed some decreased ability to hear what his wife and grandchildren are saying to him. He admits to lip-reading more. He has a history of noise exposure in his young adult years: He worked as a sound engineer at a local arena and had to attend a lot of concerts. Based on this information, what is the most likely finding regarding his hearing acuity? A) Loss of acuity for middle-range sounds B) Increase of acuity for low-range sounds C) Loss of acuity for high-range sounds D) Increase of acuity for high-range sounds ANSWER Ans: A Human speech is considered to be a middle-range sound. During the aging process there is a loss of acuity, starting with high-pitched sounds but extending to the middle range and then into the low range.