What common age-related factors contribute to vertebral fractures in the elderly?
What will be an ideal response?
Age-related fractures that may lead to vertebral fractures include reduced cushioning by intervertebral discs due to water loss (disc degeneration) and inadequate ossification due to osteopenia. Osteoporosis is a further complicating factor.
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When an individual is exposed to cold temperatures, total metabolic rate
A. decreases. B. increases. C. remains constant.
The pulmonary trunk and arteries are color-coded ________ on models and in pictures, because they carry ________ blood
A) blue, oxygen-poor B) blue, oxygen-rich C) red, oxygen-poor D) red, oxygen-rich
All target cells
A) have hormone receptors. B) can respond to chemical signals. C) secrete hormones. D) have hormone receptors and can respond to chemical signals. E) secrete hormones and have hormone receptors.
translation occurs in three steps. choose the names of these steps from the list below. select all that apply.
a) elongation b) termination c) replication d) initiation e) transcription