The nurse places a warmed blanket on the scale when weighing a newborn to minimize heat loss via which mechanism?

convection

conduction

radiation

evaporation

Answer and Explanation

The Correct Answer is B

A. Convection is the loss of heat due to air or fluid movement around the body. While keeping the newborn warm in a draft-free area can help with this, the blanket on the scale primarily addresses heat loss through contact with the cold surface.
B. Conduction occurs when heat is transferred from the baby’s body to a cooler surface that it comes into direct contact with, like the cold scale. By placing a warmed blanket on the scale, the nurse minimizes heat loss due to conduction, ensuring the baby stays warm.
C. Radiation involves heat transfer to cooler objects nearby, but a warmed blanket on the scale does not directly address heat loss through radiation.
D. Evaporation occurs when moisture on the skin evaporates, taking heat away. A warmed blanket would not primarily address evaporation; it’s meant to prevent conduction heat loss.

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Correct Answer is A

Explanation

A. A pulse rate of 66 beats per minute is within the normal range for a postpartum woman, particularly 12 hours after birth. It's common for the pulse rate to decrease after delivery, as the body stabilizes and returns to its pre-pregnancy state. This is not a cause for concern and can be considered a normal physiological response to the postpartum period.

B. Contact the primary care provider, as it indicates early DIC (disseminated intravascular coagulation). This is unlikely, as DIC typically presents with more severe symptoms, such as bleeding, bruising, and a drop in blood pressure, not a lower pulse rate. A normal or slightly decreased pulse is not indicative of DIC.

C. While it's important to monitor for signs of anemia in the postpartum period (such as fatigue, dizziness, or weakness), a pulse of 66 beats per minute is not a typical sign of anemia. Anemia would more likely be accompanied by other symptoms, such as pallor or weakness.

D. Postpartum eclampsia typically presents with high blood pressure, severe headache, visual disturbances, or seizures, not a low pulse rate. A pulse rate of 66 beats per minute is not a sign of eclampsia.

A. difficulty in arousing B. deep tendons reflexes 2+ C. urinary output of 20 mL per hour D. respiratory rate of 10 breaths/minute

Correct Answer is B

Explanation

A. Difficulty in arousing suggests central nervous system depression, which can be a sign of magnesium toxicity. This is not a therapeutic effect and requires immediate assessment and possible discontinuation of the medication.
B. Deep tendon reflexes 2+ indicates normal neuromuscular function, which is consistent with therapeutic levels of magnesium sulfate. Loss of deep tendon reflexes is often the first sign of magnesium toxicity, so their presence at a normal level is reassuring.
C. Urinary output of 20 mL per hour is below the expected minimum (typically 30 mL/hour) and may suggest impaired renal function, which increases the risk of magnesium accumulation and toxicity.
D. Respiratory rate of 10 breaths/minute is lower than normal and may indicate respiratory depression, a serious sign of magnesium toxicity. A rate below 12 breaths/minute is concerning and not consistent with therapeutic dosing.

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The nurse places a warmed blanket on the scale when weighing a newborn to minimize heat loss via which mechanism?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A woman who is 12 hours postpartum had a pulse rate around 80 beats per minute during pregnancy. Now, the nurse finds a pulse of 66 beats per minute. Which of these actions should the nurse take?

Correct Answer is A

Explanation

A client is diagnosed with gestational hypertension and is receiving magnesium sulfate. The nurse determines that the medication is at a therapeutic level based on which finding?

Correct Answer is B

Explanation

The nurse is caring for a client receiving Magnesium Sulphate. The loading dose has already been given and the maintenance dose order reads 1g/hr. The drug is supplied 20g/500ml Solve the maintenance dose to be given in ml/hr

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