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The anion abundant in extracellular fluid and important for gastric acid formation is:

sodium

chloride

calcium

potassium

Answer and Explanation

The Correct Answer is B

A. sodium: Sodium is the main extracellular cation, not an anion.

B. chloride: Chloride is the main extracellular anion and a component of hydrochloric acid in the stomach.

C. calcium: Calcium is a cation and not primarily associated with gastric acid formation.

D. potassium: Potassium is a major intracellular cation.

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Correct Answer is ["A","C","D"]

Explanation

A. dull, sunken eyes: Sunken eyes are a classic sign of dehydration.

B. full bounding pulse: A full bounding pulse is more indicative of fluid overload, not dehydration.

C. small amount of darkly colored urine: Dehydration causes concentrated urine due to low fluid volume.

D. dry mucous membranes: Dry mucous membranes are an early and reliable sign of dehydration.

A. young adults B. children C. infants D. elderly adults

Correct Answer is D

Explanation

A. young adults: They have a relatively high percentage of body water (50–60%).

B. children: Children have more body water than adults.

C. infants: Infants have the highest body water content (~70–80%).

D. elderly adults: Aging leads to a decrease in lean body mass and total body water.

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The anion abundant in extracellular fluid and important for gastric acid formation is:

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Naxlex Comprehensive Predictor Exams

A 76-year-old patient is admitted with vomiting and diarrhea of 3 days' duration. Besides assessing skin condition when looking for signs of dehydration, the nurse would look for: (select all that apply.)

Correct Answer is ["A","C","D"]

Explanation

The lowest percentage of body fluids occurs in:

Correct Answer is D

Explanation

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

Edema is a collection of fluid in which fluid compartment?

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

Your patient is admitted with alkalosis. Which laboratory finding would you expect?

Body calcium levels are increased by:

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:

When water is lost from the body but there is no electrolyte loss, this condition is called:

The most abundant electrolyte in the body is: