What are the normal effects of aging on the CNS? Select all that apply. 1. Increased postural stability 2. Reduced blood flow to the brain 3. Impaired short-term memory 4. Sleep disturbances 5. Loss...

What are the normal effects of aging on the CNS? Select all that apply.

1. Increased postural stability

2. Reduced blood flow to the brain

3. Impaired short-term memory

4. Sleep disturbances

5. Loss of deep tendon reflexes

6. Decrease in acetylcholine