Which Changes Are Associated with the Normal Process of Aging

question 13

Multiple Choice

Which changes are associated with the normal process of aging?

• A)Loss of lean body mass, decreased metabolic rate, and decreased function
• B)Loss of lean body mass, increased metabolic rate, and increased physical activity
• C)Increased lean body mass, increased metabolic rate, and increased physical activity
• D)Increased muscle strength and function

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Definitions:

Myelinated Neuron

A nerve cell that features a myelin sheath around its axon, enhancing the speed of electrical transmission of signals.

Action Potential

A short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls, allowing neurons to transmit signals.

Depolarization

Depolarization is a process in nerve cells where the cell membrane's normal negative charge is reduced, allowing an action potential to occur and leading to the propagation of nerve signals.

Electrical Charge

A fundamental property of matter that leads to electromagnetic interactions, described in terms of positive or negative electrical energy.