A nurse is caring for a client who is receiving parenteral nutrition (PN) through a central venous catheter (CVC).

The current PN bag is empty, and a new PN bag is not available at this time.

Which of the following solutions should the nurse infuse until a new PN bag is available?

0.9% sodium chloride

Lactated Ringer’s

Dextrose 10% in water

Dextrose 5% in water.

Answer and Explanation

The Correct Answer is C

Dextrose 10% in water. This is because parenteral nutrition (PN) is a mixture of nutrients that is given through a central venous catheter (CVC) that goes directly to the heart. PN contains high concentrations of nutrition and calories, and if the PN bag is empty, it needs to be replaced with a solution that has a similar osmolarity to prevent complications such as hypoglycemia (low blood sugar) or phlebitis (inflammation of the vein). Dextrose 10% in water has an osmolarity of about 500 mOsm/L, which is close to the osmolarity of PN solutions.

Choice A is wrong because 0.9% sodium chloride has an osmolarity of about 300 mOsm/L, which is lower than PN solutions and can cause fluid overload and electrolyte imbalance.

Choice B is wrong because lactated Ringer’s has an osmolarity of about 275 mOsm/L, which is also lower than PN solutions and can cause similar problems as 0.9% sodium chloride.

Choice D is wrong because dextrose 5% in water has an osmolarity of about 250 mOsm/L, which is much lower than PN solutions and can cause rapid drop in blood sugar and vein irritation.

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Correct Answer is C

Explanation

Reticulocyte count 2%.

A reticulocyte count measures the percentage of immature red blood cells (RBCs) in the blood.A low reticulocyte count indicates that the bone marrow is not producing enough RBCs, which is a characteristic feature of anemia of prematurity (AOP).A normal reticulocyte count for preterm infants is 3-6%.

Choice A is wrong because hemoglobin 10 g/dL is within the normal range for preterm infants.

Hemoglobin is the protein in RBCs that carries oxygen.

A low hemoglobin level indicates anemia.

Choice B is wrong because hematocrit 30% is within the normal range for preterm infants.

Hematocrit is the percentage of blood volume that is occupied by RBCs.

A low hematocrit level indicates anemia.

Choice D is wrong because platelet count 150,000/mm3 is within the normal range for preterm infants.

Platelets are cell fragments that help with blood clotting.

A low platelet count indicates thrombocytopenia, which is a different condition from anemia.

A. Your baby will have excess body fat B. Your baby will have flat areola without breast buds C. Your babies heels will easily move to his ears D. Your baby skin will have a leathery appearance.

Correct Answer is D

Explanation

This is because postmature babies lose the protective vernix that covers their skin in utero, and their skin becomes dry and cracked.Postmature babies also have less subcutaneous fat, which makes them look thin and wrinkled.

Choice A is wrong because postmature babies have less body fat than term babies, not more.They use up their fat stores to survive in the womb beyond 42 weeks of gestation.

Choice B is wrong because postmature babies have well-developed breast buds and areola, not flat ones.Breast development is a sign of fetal maturity that occurs around 36 weeks of gestation.

Choice C is wrong because postmature babies have less flexibility in their joints and muscles, not more.They have less amniotic fluid to cushion their movements, and their bones become more ossified as they grow older.

Normal ranges for gestational age are 37 to 42 weeks.Babies born before 37 weeks are considered preterm, and babies born after 42 weeks are considered postmature.

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A nurse is caring for a client who is receiving parenteral nutrition (PN) through a central venous catheter (CVC). The current PN bag is empty, and a new PN bag is not available at this time. Which of the following solutions should the nurse infuse until a new PN bag is available?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is D

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A nurse is caring for a client who is receiving parenteral nutrition (PN) through a central venous catheter (CVC).

The current PN bag is empty, and a new PN bag is not available at this time.

Which of the following solutions should the nurse infuse until a new PN bag is available?