A nurse is assisting with the care of a client who is hypovolemic due to blood loss following a motor-vehicle crash and needs a blood transfusion immediately. The nurse should anticipate a prescription for which of the following IV solutions while awaiting blood from a type and cross-match?
Dextrose 10% in water
Lactated Ringer's
0.33% sodium chloride
0.45% sodium chloride
The Correct Answer is B
A. Dextrose 10% in water: Dextrose solutions provide calories but do not restore volume or replace electrolytes. They are not typically used in hypovolemic shock.
B. Lactated Ringer's: Lactated Ringer’s solution is an isotonic solution containing sodium, potassium, calcium, and lactate, which helps restore both fluid volume and electrolytes in the case of hypovolemic shock. It is commonly used while awaiting blood transfusions.
C. 0.33% sodium chloride: This is a hypotonic solution that can cause fluid to shift into cells and is not appropriate for fluid resuscitation in hypovolemia, which requires an isotonic solution.
D. 0.45% sodium chloride: This is a hypotonic solution as well, and it could worsen hypotension by causing fluid shifts into the cells, which is not ideal for treating hypovolemic shock.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["125"]
Explanation
To calculate the IV rate:
Rate(mL/hr) = Total volume /Time in hours
Rate(mL/hr) = 3000 ml /24 hrs
=125mL/hr
So, the IV pump should be set to 125 mL/hr.
Correct Answer is D
Explanation
A. Elevated blood pressure: Hypocalcemia is more likely to cause low blood pressure due to its effect on vascular tone and cardiac contractility, not elevated blood pressure.
B. Negative Chvostek sign: A negative Chvostek sign would be expected in clients with normal calcium levels. A positive Chvostek sign (twitching of the facial muscles when tapped) is a sign of hypocalcemia.
C. Constipation: Hypocalcemia does not typically cause constipation. In fact, hypercalcemia can lead to constipation.
D. Tetany: Tetany, which involves muscle cramps and spasms, is a common manifestation of hypocalcemia. It occurs due to increased neuromuscular excitability when calcium levels are low.
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