Please answer ALL questions H-N! You are running late for physiology class, and

Question

Please answer ALL questions H-N!

You are running late for physiology class, and instead of cutting through a yard where there is a dangerous cat, you go the long way and run all the way to school. It is very hot and you sweat excessively and become dehydrated. You lose proportionately more water than salts.

H) What non-‘roid hormone is produced as the end result of activation of the pathway in g.?

I) Name 3 hormones that will be affecting the state of contraction of your arterioles and peripheral vasculature.

J) Will your levels of aldosterone increase or decrease in response to dehydration? Explain.

K) What is the direct stimulus for increased release of aldosterone when MAP is low?

L) How specifically does aldosterone cause increased absorption of water?

M) You drink 2 L of water to replace the fluids that you lost, and restore normal mean arterial pressure. What happens to the osmolarity of your blood?

N) You start to experience muscle weakness due to low plasma potassium levels. What condition are you suffering from?

Explanation / Answer

.Answer of question H-Amines-Nonrepinephrine,epinephrine:elevates cardiac output,increases blood sugar level which gives fuel during running ,helps in break down of glycogen for energy and supports metabolism

.Answer of question I-Angiotensin 2-causes vascoconstriction and increase blood sugar

Endothelin-constrict blood vessel ,increase blood pressure.

Adrenaline-under stress this hormone releases which increase pressure

.Answer of question J-Dehydration leads to slow rise in aldosterone.dehydration under heat increases ADH(anti diuretic hormone) level leads with significant decrease in urine output and increase in plasma protein aldosterone.this leads to rise in urinary sodium excretion and reduction in serum sodium.both serum and potassium in urine significantly low in heat leads to dehydration.

.Answer of question k-Angiotensin 2 stimulate aldosterone release which causes increse in salt and sugar absorption into blood stream from kidney leads to increse in blood volume

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