2k10 UNIT 5 READING 2

Pressing this button will ______ the alarm system.

• regulate

• relieve

• activate

• diminish

Forgetting names is a common ______ problem for older adults.

• spatial

• age-associated

• impaired

• disease-fighting

My grandmother has ______, so she has trouble remembering recent events.

• multiple sclerosis

• dementia

• Alzheimer's disease

• depression

Scientists are studying how the ______ protein forms in the brain.

• amyloid

• endorphin

• corticosteroid

• synapse

The ______ of clean water is a major issue in some regions.

• buildup

• correlation

• availability

• deterioration

The buildup of ______ is a key sign of Alzheimer's disease.

• gray matter

• beta-amyloid

• endorphins

• synapses

Regular exercise helps to improve ______ to the brain.

• capacity

• blood flow

• buildup

• gravity

The protein known as ______ is important for the growth of brain cells.

• amyloid

• brain-derived neurotrophic factor

• beta-amyloid

• endorphin

Solving a puzzle is a good way to exercise your ______.

• dementia

• hippocampus

• brainpower

• depression

The ______ of dust on the window made the room look dark.

• availability

• buildup

• correlation

• plasticity