Somatotropin releasing factor from the hypothalamus promotes which of the following once post-adolescent growth stops:
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Answer: A. Protein synthesis
Explanation
Somatotropin continues to promote protein synthesis and cellular repair even after post-adolescent skeletal growth stops. Growth hormone stimulates amino acid uptake in cells to maintain overall nitrogen balance and tissue health. Adult tissues rely on ongoing somatotropin activity for metabolic regulation and structural protein maintenance. Somatotropin is another term for human growth hormone secreted by the anterior pituitary gland. Growth hormone stimulates liver cells to produce insulin-like growth factors mediating systemic anabolic effects. While linear bone growth ceases after puberty, metabolic protein synthesis continues throughout adulthood.
Athletes and researchers study growth hormone pathways to understand muscle hypertrophy and recovery processes. Growth hormone deficiencies in adults lead to decreased muscle mass and altered body composition profiles. Balancing protein synthesis is crucial for maintaining physical vitality and metabolic health as humans age. Acromegaly results from excess growth hormone production specifically occurring after post-adolescent growth plate fusion. Gigantism is caused by excessive growth hormone secretion during childhood prior to adolescent growth plate closure. Cretinism is a condition resulting from severe congenital hypothyroidism rather than growth hormone abnormalities.
- Subject
- Psychology
- Category
- Psychology
- Topic
- —
- Difficulty
- medium
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