Ebony,age 88,appears Younger Than Her 77-Year-Old Sister,Desiree

question 80

Multiple Choice

Ebony,age 88,appears younger than her 77-year-old sister,Desiree.However,Desiree remains active mentally,whereas Ebony finds it difficult to complete familiar tasks.The sisters' actual competence and performance in dealing with life's challenges indicate their __________ age.

• A) social
• B) biological
• C) functional
• D) chronological

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Definitions:

Repolarization

Reestablishment of a polarized state in a muscle or nerve fiber following contraction or conduction of a nerve impulse. On an ECG, the time of recovery before another contraction.

Electrodes

Conductive materials that allow the flow of electrical current in and out of a circuit or solution.

ECG Paper

Specialized graph paper used in electrocardiography to record electrical activity of the heart over time.

Single-Channel Machines

Devices that are designed to process or measure one signal or data stream at a time.