AFAA Personal Trainer Certification Practice Exam

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What is the primary function of adipose tissue?

To transport oxygen in the blood
To serve as a source of stored energy
To regulate body temperature
To facilitate muscle contraction

The correct answer is: To serve as a source of stored energy

The primary function of adipose tissue is to serve as a source of stored energy. Adipose tissue consists largely of fat cells, which store energy in the form of triglycerides. This stored energy can be mobilized and utilized by the body during periods of energy deficit, such as during fasting, prolonged exercise, or when caloric intake is insufficient. Additionally, adipose tissue plays an important role in insulation and cushioning for organs, but its predominant role in energy metabolism underscores its significance in maintaining energy balance and supporting overall bodily functions. Keeping energy stores available for future use is crucial for sustaining bodily activities and metabolic processes.