What Is the Major Risk of Polypharmacy for the Older

question 22

Multiple Choice

What is the major risk of polypharmacy for the older adult?

• A) Ignorance about his or her prescriptions
• B) Taking over-the-counter preparations
• C) Being treated by more than one physician
• D) Taking old prescriptions rather than consulting a physician

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Definitions:

Neurotransmitter

A chemical substance released at the end of a nerve fiber by the arrival of a nerve impulse and, by diffusing across the synapse or junction, causes the transfer of the impulse to another nerve fiber, a muscle fiber, or some other structure.

EPSP

Excitatory Postsynaptic Potential; a temporary increase in postsynaptic membrane potential due to the flow of positively charged ions into the postsynaptic cell, making it more likely to fire an action potential.

Voltage Change

A change in the electrical potential difference across a membrane, which can initiate an electrical signal or action potential in neurons and other excitable cells.

Fasciculi

Bundles of skeletal muscle fibers surrounded by connective tissue, contributing to the muscle structure and function.