Select the correct answer from those provided to best complete each sentence wit
ID: 3520090 • Letter: S
Question
Select the correct answer from those provided to best complete each sentence within the paragraph below. (1 point each) Throughout the day blood calcium levels fluctuate within a normal range. The body maintains this "normal" range by using a ((a)POSITIVE or NEGATIVE) feedback loop to reverse the direction of change and make small adjustments. For example, when blood calcium levels are high, the hormone (b)CALCITONIN or PARATHYROID HORMONE) is secreted from the ((c)THYROID or PARATHYROID) gland. This hormone stimulates cells called ((d)oSTEOBLASTS or OSTEOCLASTS) to begin storing the excess blood calcium into the bone matrix. Working opposite to these cells and the previous hormone is another hormone called ((e)CALCITONIN or PARATHYROID HORMONE) which is secreted from the ((OTHYROID or PARATHYROID) gland. This hormone is released when blood calcium levels are low so the calcium needs to be released from bones and put into the bloodstream. The cells that break down bone matrix are called (g)OSTEOBLASTS or OSTEOCLASTS). e. f. g- a. b. c. d.Explanation / Answer
Throughout the day blood calcium levels fluctuate with in a normal range. The body maintains this normal range by using a NEGATIVE feedback loop to reverse the direction of change and make small adjustments. For example, when blood calcium levels are high, the hormone CALCITONIN is secreted from the THYROID GLAND. This hormone stimulates cells called OSTEOBLASTS to begin storing the excess blood calcium into the bone matrix. Working opposite to these cells and the previous hormone is another hormone called PARATHYROID HORMONE which is secreted from PARATHYROID GLAND. This hormone is released when blood calcium levels are low, so the calcium needs to be released from the bones and put into the blood stream. The cells that break down bone matrix are called OSTEOCLASTS.
ANS.
A) NEGATIVE
B) CALCITONIN
C) THYROID GLAND
D) OSTEOBLASTS
E) PARATHYROID HORMONE
F) PARATHYROID GLAND
G) OSTEOCLASTS
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