Why might a person suffering from osteoporosis benefit from increased calcium ingestion?
What will be an ideal response?
In osteoporosis, a decrease in the calcium content of bones leads to bones that are weak and brittle. Increased calcium ingestion raises blood calcium levels and triggers osteoblasts to form new bone. This new formation of bone can help diminish the bone decrease due to overactive osteoclasts.
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The ____ type connector has become very popular for connecting fiber optic cables because it offers excellent alignment and has less back reflection than other types of connectors.
A. photodiode B. threaded C. push-pull D. bayonet
In the article “The World’s Longest Continued Series of Sea Level Observations”, the mean annual level of land uplift in Stockholm, Sweden, was estimated to be 4.93 ± 0.23 mm for the years 1774–1884 and to be 3.92 ± 0.19 mm for the years 1885–1984. Estimate the difference in the mean annual uplift between these two time periods, and find the uncertainty in the estimate.
What will be an ideal response?
The calculations for density and specific gravity for Systems International (SI) are:
A) Inversely proportional when compared with AHRI standard conditions. B) Reciprocal values of ACCA standard conditions. C) Reciprocal values of ANSI standard conditions. D) The same as AHRI standard conditions using metric values.
The least effective preventive measure for overcoming potential pressure hazards is proper design.