Marginal Benefit

question 110

Multiple Choice

Marginal benefit:

• A)is the subsidiary benefit from an activity;for example,the main benefit from weight training is an increase in muscle mass,and the subsidiary or marginal benefit might be a reduction in cholesterol.
• B)is the addition to total benefit due to undertaking one more unit of an activity.
• C)must be increasing if total benefit is increasing.
• D)normally increases as more of an activity is undertaken.

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Definitions:

Orthopnea

Difficulty in breathing that occurs when lying down and is relieved upon changing to an upright position.

Decompensated Congestive Heart Failure

A stage where heart failure symptoms worsen and become more severe, requiring immediate medical attention.

Serum Sodium Concentration

The amount of sodium present in the serum portion of the blood, important for determining electrolyte balance and fluid status.

Postural Hypotension

A drop in blood pressure upon standing up from a sitting or lying position, which can cause dizziness or fainting.