A cation that plays a major role in bone formation is:

calcium

phosphate

potassium

sodium

Answer and Explanation

The Correct Answer is A

A. calcium: Calcium is the major cation in bones, forming the mineral component (hydroxyapatite) that gives bones their strength.

B. phosphate: Phosphate is an anion, not a cation, though it also contributes to bone structure.

C. potassium: Potassium is a cation but is primarily involved in muscle and nerve function, not bone formation.

D. sodium: Sodium is important for fluid balance and nerve function but plays no major role in bone structure.

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Correct Answer is D

Explanation

A. none of the answers are correct: One of the listed answers (isotonic) is

B. hypotonic: Hypotonic fluids cause water to move into cells, potentially leading to cellular swelling.

C. isotonic: Isotonic fluids (e.g., 0.9% NaCl) have the same osmolarity as plasma and expand extracellular volume without causing fluid shifts.

D. hypertonic: Hypertonic fluids draw water out of cells, causing cellular dehydration.

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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A cation that plays a major role in bone formation is:

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Naxlex Comprehensive Predictor Exams

Fluid having a concentration of electrolytes that expands volume but does not cause a fluid shift in or out of the cells would be considered

Correct Answer is D

Explanation

Intracellular fluid is found:

Correct Answer is C

Explanation

Which structure is responsible for evaporative water loss?

Aldosterone:

In diuretic therapy, the nurse should monitor the patient for this electrolyte imbalance:

A patient who is started on oral nourishment along with IV fluid has the following amounts entered on his I and O sheet: juice 120 ml, cereal 180 ml, tea 150 ml, urine 380 ml, IV fluid 1050 ml, and emesis 50 ml. His total oral intake was:

A nurse is providing care for a patient who is breathing deeply and rapidly. As a result of this elevated respiratory rate, the nurse expects the patient bod is attempting to:

A nurse is admitting a patient who has been experiencing vomiting and diarrhea for the last 3 days. the nurse knows that based on the patient's symptoms, the amount of ADH secreted would most likely.

A patient with kidney disease is at risk for developing additional diseases related to excretion of body wastes. In order for the kidneys to remove this waste, they must produce hourly urine amounts of:

A person with hypokalemia should be encouraged to: