An Older Client Without Any Major Health Problems Is Experiencing

question 8

Multiple Choice

An older client without any major health problems is experiencing decreased strength and endurance while performing some activities. What should the nurse explain as the reason for the change in strength and endurance?

• A) Depression
• B) Decrease in lean muscle mass
• C) Lowered absorption of vitamin D
• D) Increase in cholecystokinin production

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Definitions:

Muscle Fiber

An individual muscle cell, long and cylindrical in shape, that contracts to produce movement.

Myofibrils

Rod-like units of a muscle fiber that are essential for muscle contraction, composed of sarcomeres.

Motor Units

Functional units of a muscle that consist of a motor neuron and all the muscle fibers it innervates.

Gastrocnemius Muscles

A major calf muscle that is involved in walking, running, and jumping by flexing the foot at the ankle.