Differences in the Timing and Rate of Puberty Among Individuals

question 45

Multiple Choice

Differences in the timing and rate of puberty among individuals growing up in the same general environment are largely caused by:

• A) hormonal factors.
• B) genetic factors.
• C) environmental factors.
• D) None of these are correct.

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Definitions:

Articular Surfaces

The surfaces of bones that come into contact with one another to form joints.

Range of Motion

The full movement potential of a joint, usually its range of flexion and extension.

Glenohumeral Joint

The ball and socket joint between the head of the humerus and the glenoid cavity of the scapula, facilitating shoulder movement.

Lateral Excursion

The side-to-side movement of the mandible (lower jaw), which plays a key role in the process of chewing food.