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Weight gain or loss gives the nurse information regarding change in body fluids. The nurse should be aware that 1 liter of fluid weighs:

2.2 kg

1.0 kg

0.5 kg

0.22 kg

Answer and Explanation

The Correct Answer is B

A. 2.2 kg: 2.2 kg is equivalent to approximately 5 lbs and overestimates the weight of 1 L of fluid.

B. 1.0 kg: 1 liter of fluid = 1 kilogram (kg). This is used to track fluid gain/loss accurately.

C. 0.5 kg: 0.5 kg would be equivalent to 500 mL, not 1 L.

D. 0.22 kg: 0.22 kg is far below the actual weight of 1 L of fluid.

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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. increases sodium retention by the kidney B. acts on osmoreceptors to stimulate thirst C. stimulates the production of large amounts of urine D. is secreted from the pituitary gland

Correct Answer is A

Explanation

A. increases sodium retention by the kidney: Aldosterone acts on renal tubules to increase sodium reabsorption and potassium excretion.

B. acts on osmoreceptors to stimulate thirst: This is the role of antidiuretic hormone (ADH).

C. stimulates the production of large amounts of urine: Aldosterone promotes fluid retention, reducing urine output.

D. is secreted from the pituitary gland: It is secreted from the adrenal cortex.

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Weight gain or loss gives the nurse information regarding change in body fluids. The nurse should be aware that 1 liter of fluid weighs:

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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

Aldosterone:

Correct Answer is A

Explanation

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