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natka813 [3]
3 years ago
6

Consider the following examples of homeostatic regulation: In response to an increase in plasma K concentrations, secretion of t

he hormone aldosterone increases and mechanisms that bring K levels back to normal are initiated. In response to a decrease in plasma Ca2 concentrations, secretion of parathyroid hormone increases and mechanisms that bring Ca2 levels back to normal are initiated. Which of the statements below is true:
Physics
1 answer:
TiliK225 [7]3 years ago
5 0

Answer:

Both are examples of negative feedback regulation.

Explanation:

The maintenance of the homeostasis in the body is controlled by the the feedback regulation of the body. Two main types of feedback regulation are positive regulation and negative regulation.

The negative regulation occurs when the final product of the reactions inhibits the further secretion of that product. In the given examples of aldosterone and calcium mechanism, the secretion of aldosterone and calcium decreases as the normal levels are acheived in the body.

Thus, the answer is both are examples of negative feedback regulation.

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Question not completed, so I analysed the question first

Tony drove to the mountains last weekend. there was heavy traffic on the way there, and the trip took 6 hours. when tony drove home, there was no traffic and the trip only took 4 hours. if his average rate was 22 miles per hour faster on the trip home, how far away does tony live from the mountains?

Explanation:

Let use variables to solve the problems

Let the first trip to be mountain take x hours

Let the trip back home take y hours

Let the speed to while going to the mountain be a miles/hour

Then, while going home it was b miles/hour faster than while going to the mountain.

Then, speed going home is (a+b)miles / hour

The formula for speed is given as

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Distance =speed×time

For first journey going to the mountain

Distance = a×x=ax miles

For the second journey going home

Distance =y×(a+b)

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Make a subject of the formula

ax=ya+yb

ax-ya=yb

a(x-y)=yb

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a=yb/(x-y)

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a=44miles/hour

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Distance=ax

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