Domanda del libro di testo
(a) During what period of life does skeletal mass increase dramatically? Begin to decline?
(b) Why are fractures most common in elderly individuals?
(c) Why are greenstick fractures most common in children?
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6. Bones & Skeletal Tissue
Microscopic Anatomy of Bones - Bone Cells
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In adolescence, the 'growth spurt' that is observed is mainly attributed to an increase in __________.
A
parathyroid hormone
B
calcitonin
C
growth hormone
D
sex hormones
Guida verificata passo dopo passo1
Understand the role of sex hormones in adolescence: During puberty, sex hormones such as estrogen and testosterone play a crucial role in the development of secondary sexual characteristics and the growth spurt observed in adolescents.
Recognize the function of growth hormone: Growth hormone is responsible for stimulating growth in tissues and bones, but the dramatic increase in growth during adolescence is primarily driven by sex hormones.
Differentiate between parathyroid hormone and calcitonin: Parathyroid hormone and calcitonin are involved in calcium regulation in the body, not directly in the growth spurt during adolescence.
Identify the primary driver of the adolescent growth spurt: The increase in sex hormones during puberty leads to the rapid growth and physical changes seen in adolescents.
Conclude that while growth hormone contributes to growth, the significant changes during adolescence are mainly due to sex hormones.
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