過去問ぽちぽちby KKM Studio

37th Exam (Jan 2025) Morning Q43 Kaigo Fukushishi

Question (original Japanese)

次のうち、認知症(dementia)のリスクを高める要因として、最も適切なものを1つ選びなさい。

  1. 1身体活動
  2. 2不飽和脂肪酸の摂取
  3. 3歯がなくなることによる咀嚼機能(そしゃくきのう)の低下
  4. 4難聴による補聴器の使用
  5. 5ボランティア活動
Show answer

Correct answer 3

Key pointReduced chewing function due to loss of teeth is a risk factor for dementia.

Explanation

When teeth are lost and chewing function declines, it leads to less stimulation of the brain and worse nutrition, and is thought to increase the risk of dementia, so 3 is most appropriate.

  • 1: Physical activity (exercise) is a factor that lowers the risk of dementia, so it is wrong.
  • 2: Intake of unsaturated fatty acids found in fish, etc. is considered a factor that lowers the risk, so it is wrong.
  • 4: Hearing loss is a risk factor, but using a hearing aid is thought to lower that risk, so it is wrong.
  • 5: Social participation such as volunteer activities is a factor that lowers the risk, so it is wrong.
Explanation in Japanese

歯を失い咀嚼機能が低下すると、脳への刺激の減少や栄養状態の悪化につながり、認知症のリスクを高めるとされるので3が最も適切。

  • 1:身体活動(運動)は認知症のリスクを下げる要因なので誤り。
  • 2:魚などに含まれる不飽和脂肪酸の摂取はリスクを下げる要因とされるので誤り。
  • 4:難聴はリスク要因だが、補聴器の使用はそのリスクを下げると考えられているので誤り。
  • 5:ボランティア活動などの社会参加はリスクを下げる要因なので誤り。

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