Adult-Gerontology Clinical Nurse Specialist (CNS) Practice Exam

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To protect against developing cataracts, Chuck might be encouraged to consume which of the following?

  1. Iron

  2. Calcium

  3. Antioxidants

  4. Lecithins

The correct answer is: Antioxidants

Consuming antioxidants is particularly beneficial for protecting against cataracts due to their ability to combat oxidative stress in the body. Oxidative stress refers to the damage caused by free radicals, which are unstable molecules that can harm cells and tissues, including the lenses of the eyes. Antioxidants, such as vitamins C and E, beta-carotene, and other phytochemicals, have been shown to neutralize free radicals, thus potentially reducing the risk of cataract formation. Research indicates that diets rich in antioxidants may help maintain eye health and prevent cataracts, making the consumption of these nutrients a key recommendation for individuals looking to safeguard their eyesight. While iron, calcium, and lecithins are essential nutrients for overall health, they are not specifically linked to the prevention of cataracts in the same robust manner that antioxidants are.