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The most abundant electrolyte in the body is:

calcium

magnesium

sodium

potassium

Answer and Explanation

The Correct Answer is A

A. Calcium: Calcium is the most abundant electrolyte, primarily stored in bones and teeth.

B. Magnesium: Magnesium is important but less abundant than calcium.

C. Sodium: Sodium is the most abundant extracellular cation but not the most abundant overall.

D. Potassium: Potassium is the most abundant intracellular cation but calcium exceeds it body-wide.

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Correct Answer is A

Explanation

A. hyperkalemia: Elevated potassium can cause fatal cardiac arrhythmias.

B. hyponatremia: While it can be serious, it typically causes neurologic symptoms and is less immediately life-threatening than hyperkalemia.

C. hypokalemia: Also dangerous but usually less acutely life-threatening than hyperkalemia.

D. hypernatremia: Can cause serious symptoms but not as immediately dangerous to cardiac function.

A. outside the cells B. in interstitial spaces C. inside the cells D. surrounding the cells

Correct Answer is C

Explanation

A. outside the cells: This describes extracellular fluid.

B. in interstitial spaces: Interstitial fluid is extracellular, found between cells.

C. inside the cells: Intracellular fluid is located within the cells and makes up the largest portion of total body water.

D. surrounding the cells: This also describes extracellular fluid.

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The most abundant electrolyte in the body is:

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Naxlex Comprehensive Predictor Exams

Which is the most dangerous electrolyte imbalance?

Correct Answer is A

Explanation

Intracellular fluid is found:

Correct Answer is C

Explanation

The major route of excretion of all electrolytes from the body is via the:

A person with hypokalemia should be encouraged to:

The normal elasticity and resiliency of the skin caused by the outward pressure of the cells and interstitial fluid is called:

A 7-year-old patient is admitted with vomiting and diarrhea of 3 days' duration. The patient is started on IV therapy. A sign that he is receiving too much or too rapid IV fluid, when compared with previous data would be:

Water is lost from the body through:

When patients take substances into the body, they first enter the extracellular compartment. In order to carry out their function, must enter the:

Aldosterone:

One method of tracking fluid balance status in patients, in addition to recording I & O is to: