What can be the cause of weakened muscle and kidney functioning?
a. too little potassium
b. too much potassium
c. too little calcium
d. too much calcium

Answer - D. Too much Calcium

calcium can temporarily block sodium channels. If one has a high quantity of calcium the flow of sodium through and through the neural membranes is blocked. Since there is small or no flow of sodium through the sodium ion channels the neurons are not going to be elicited, and if this is the case then muscle weakness will ensue. 

The presence of too much calcium can cause the muscles and kidney functions to weaken.

Further Explanation:

The condition in which the concentration of calcium in the blood becomes abnormally high is known as hypercalcemia. The parathyroid glands overreaction causes the condition. Certain medical disorders, too much vitamin D and calcium intake, cancer etc. are also the causes of hypercalcemia. Too much calcium can cause kidney stones, weakening of bones etc.

In bones, leaching of excess calcium in the blood from the bone occurs. The leaching leads to the weakening, pain and depression of the bones. In the muscles, the excess of calcium causes contraction of the muscles which eventually causes excess need of energy in form of ATP. The muscles weaken do to this condition. In the kidneys, excess of calcium can deposit in the parts of kidney causing kidney crystals over time, the crystals may combine to form kidney stones. Passing a stone can be extremely painful. The excess of calcium in the blood can also cause strain in the kidney due to the need of extra filtration. This condition causes frequent urination as well as excessive thirst. Severe hypercalcemia can limit the kidney’s ability to cleanse the blood and eliminate fluid.

Thus, the presence of too much calcium can cause the muscles and kidney functions to weaken.

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Answer Details:

Grade: High school

Subject: Health

Chapter: Excretory System

Keywords:

Calcium, blood, hypercalcemia, parathyroid glands, medical disorders, vitamin D, kidney stones, weakening of bones, leaching, depression of the bones, kidney crystals, urination.

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