A patient experiencing multisystem fluid volume deficit has tachycardia, pale, cool skin, and decreased urine output. The nurse realizes these findings are most likely a direct result of which process?

Effects of rapidly infused intravenous fluids.

The body's natural compensatory mechanisms.

Pharmacological effects of a diuretic.

Cardiac failure.

Answer and Explanation

The Correct Answer is B

Choice B rationale:

The patient's tachycardia, pale, cool skin, and decreased urine output are signs of the body's natural compensatory mechanisms in response to fluid volume deficit. When the body

experiences a decrease in fluid volume, it tries to compensate by increasing heart rate (tachycardia) to maintain blood flow to vital organs and constricting blood vessels to preserve fluid and maintain blood pressure. Pale, cool skin is a result of vasoconstriction, and decreased urine output is a way the body conserves water during dehydration.

Choice A rationale:

Effects of rapidly infused intravenous fluids are not the cause of the patient's current findings. In fact, the nurse's notes indicate that the IV fluid therapy (0.9% sodium chloride) was initiated at 125 mL/hr, which is a relatively standard and cautious rate. Rapidly infused fluids could potentially cause fluid overload, but that is not the situation here.

Choice C rationale:

Pharmacological effects of a diuretic are not relevant to this patient's presentation. There is no mention of diuretic use in the nurse's notes, and the symptoms presented are more consistent with fluid volume deficit and dehydration rather than diuretic use.

Choice D rationale:

Cardiac failure is not the correct answer, as there is no indication of heart failure in the patient's presentation or nurse's notes. The symptoms and findings described are more indicative of fluid volume deficit, which is not synonymous with cardiac failure.

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Correct Answer is A

Explanation

Sodium 155 mEq/L. Choice A rationale:

A urine specific gravity of 1.035 indicates concentrated urine and is consistent with fluid volume deficit. However, it is not the most specific finding for this condition.

Choice B rationale:

A BUN (blood urea nitrogen) level of 19 mg/dL can be a normal value. It is within the reference range (usually around 7-20 mg/dL) and does not provide specific information about fluid volume deficit.

Choice C rationale:

A hematocrit of 44.9% can also be within the normal range for some individuals, and while it can be elevated in cases of fluid volume deficit, it is not as sensitive as other parameters for detecting this condition.

Choice D rationale:
This is the correct answer because a sodium level of 155 mEq/L is elevated and indicates hypernatremia, which is associated with fluid volume deficit. Hypernatremia occurs when there is a relative lack of water in relation to the sodium concentration in the blood, and it can lead to dehydration

A. Hyperactive deep tendon reflexes. B. Warm, flushed skin. C. Widened QRS Complexes. D. Bounding peripheral pulses.

Correct Answer is C

Explanation

Widened QRS Complexes.

Choice A rationale:

Hyperactive deep tendon reflexes are not typical findings in respiratory acidosis. They are more commonly associated with conditions like hypocalcemia or hypercalcemia.

Choice B rationale:

Warm, flushed skin is not directly related to respiratory acidosis. It is not a typical manifestation of this acid-base imbalance.

Choice C rationale:

Widened QRS complexes on an ECG are characteristic findings in respiratory acidosis. Acidosis can lead to changes in the electrical conduction of the heart, resulting in QRS complex widening.

Choice D rationale:

Bounding peripheral pulses are not directly associated with respiratory acidosis. They may be seen in conditions like hyperthyroidism or anemia but are not specific to respiratory acidosis. Remember, always interpret lab results and clinical findings in the context of the patient's overall condition, medical history, and other relevant factors to provide the best care possible.

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A patient experiencing multisystem fluid volume deficit has tachycardia, pale, cool skin, and decreased urine output. The nurse realizes these findings are most likely a direct result of which process?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is C

Explanation

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