Colorado CNA Practice Exam

Question: 1 / 400

Which system's weakening is a common immune change related to aging?

Cardiovascular system

As we age, our immune system naturally weakens due to a decrease in the production of immune cells and a decrease in their function. This weakening of the immune system can leave us more vulnerable to infections, diseases, and illnesses. While all systems in the body can be affected by aging, the cardiovascular system is particularly impacted as the decrease in immune function can lead to a higher risk of heart disease and other cardiovascular issues. The digestive system can also be affected, but primarily due to lifestyle factors rather than direct aging-related changes. The nervous system is not directly related to immune changes and is more commonly impacted by aging through degenerative neurologic disorders. Therefore, the cardiovascular system's weakening is a common immune change related to aging.

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Digestive system

Immune system

Nervous system

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