A nurse is reinforcing teaching to a graduating nurse about fluid volume deficit. Which of the following concepts about water balance should the nurse explain to the graduating nurse?
The intracellular space contains most of the body's water.
A fluid volume deficit inhibits baroreceptors.
When the body loses water, the intravascular space experiences the water loss.
A negative fluid balance occurs when the body takes in more water than the body needs.
The Correct Answer is C
A. The intracellular space contains most of the body's water: While it is true that the intracellular space holds the majority of the body's water, this statement does not specifically relate to the concept of fluid volume deficit or how the body responds to it.
B. A fluid volume deficit inhibits baroreceptors: In fact, fluid volume deficit activates baroreceptors due to reduced blood pressure, leading to compensatory mechanisms like increased heart rate and vasoconstriction to maintain blood pressure.
C. When the body loses water, the intravascular space experiences the water loss: This statement accurately describes the process during fluid volume deficit. The intravascular space loses water, leading to decreased blood volume, which can result in symptoms like hypotension and reduced tissue perfusion.
D. A negative fluid balance occurs when the body takes in more water than the body needs: This statement is incorrect; a negative fluid balance occurs when the body loses more water than it takes in, leading to dehydration or fluid volume deficit.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The client has developed confusion: Hypotonic fluids can cause a rapid shift of water into cells, potentially leading to cerebral edema. This can manifest as confusion or altered mental status, which is a serious adverse effect requiring immediate attention.
B. The client's serum sodium is 140 mEq/L (135 to 145 mEq/L): A serum sodium level within the normal range indicates that the hypotonic fluid therapy is likely effective in correcting hypernatremia, and does not suggest an adverse effect.
C. The client has a positive Chvostek's sign: A positive Chvostek's sign is indicative of hypocalcemia rather than an adverse effect of hypotonic fluid administration. This sign is related to low calcium levels and is not a direct result of hypotonic fluid therapy.
D. The client's blood urea nitrogen (BUN) level is 18 mg/dL (10 to 20 mg/dL): This BUN level is within normal limits and does not suggest an adverse effect of hypotonic fluid therapy. BUN levels can be affected by various factors, but this value alone is not indicative of an adverse reaction.
Correct Answer is A
Explanation
A. Hyperventilation: Respiratory alkalosis is typically caused by hyperventilation, which leads to excessive loss of carbon dioxide and an increase in blood pH. This is a primary finding in respiratory alkalosis.
B. Abdominal pain: While abdominal pain can occur in various conditions, it is not a specific or common finding associated with respiratory alkalosis.
C. Dry skin: Dry skin is not a direct manifestation of respiratory alkalosis. It is not typically associated with the changes in acid-base balance seen in respiratory alkalosis.
D. Diarrhea: Diarrhea is not commonly associated with respiratory alkalosis. Instead, gastrointestinal symptoms like diarrhea are more commonly related to metabolic acidosis or other conditions.
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