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 C

Explanation

A. Lochia is the normal postpartum vaginal discharge of blood and tissue, and its duration or volume is not affected by Kegel exercises.
B. Uterine involution ,the shrinking of the uterus to its pre-pregnancy size ,is a natural physiological process and is not influenced by Kegel exercises.
C. Kegel exercises specifically target the pelvic floor muscles, which may be weakened during pregnancy and childbirth. These exercises help strengthen the muscles, support pelvic organs, and prevent issues such as urinary incontinence.
D. While improved muscle tone may eventually support healing, these exercises are not a direct method for pain relief.

A. normal progression of behavior. B. probable hypoglycemia. C. physiological abnormality. D. inadequate oxygenation.

Correct Answer is A

Explanation

A. Newborns typically go through predictable behavioral states after birth. During the first period of reactivity, which lasts about 30–60 minutes after birth, the newborn is awake, alert, and active. This is followed by a period of sleep or decreased activity, which can last 2 to 4 hours. It is normal for the baby to be sleepy and difficult to awaken during this phase, especially around 2 hours of age.

B. Probable hypoglycemia could cause lethargy in a newborn, but it would typically be accompanied by other symptoms such as jitteriness, poor feeding, or abnormal vital signs. In a healthy 2-hour-old baby, sleepiness alone is not enough to suggest hypoglycemia.

C. Physiological abnormality is incorrect. There is no evidence of abnormality in a sleepy 2-hour-old newborn, as this is an expected part of the normal behavioral cycle after birth.

D. Inadequate oxygenation would likely present with signs such as cyanosis, abnormal respiratory rate, or poor perfusion, not just sleepiness.

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

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Naxlex Comprehensive Predictor Exams

A nurse is teaching a postpartum client how to do muscle-clenching (Kegel) exercises for the perineum. The client asks the nurse, "Why do I need to do these exercises?" Which reason would the nurse most likely incorporate into the response?

Correct Answer is C

Explanation

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Correct Answer is A

Explanation

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