For which reason would a nurse in the well-baby nursery report to the neonatologist that a newborn appears to be preterm?
The baby has a square window angle of 90 degrees.
The baby has leathery and cracked skin.
The baby has a popliteal angle of 90 degrees.
The baby has pronounced plantar creases.
The Correct Answer is A
Choice A is correct. The square window angle, formed by the intersection of the ear and the jawline, is an important physical assessment finding in neonates. In full-term babies, this angle is typically greater than 90 degrees, appearing more rounded. However, in preterm babies, the angle is often closer to 90 degrees, appearing more square due to underdeveloped facial features and subcutaneous tissue.
Choice B is incorrect. While leathery and cracked skin can be present in both term and preterm babies, it's not a specific indicator of prematurity alone. It can be caused by various factors like intrauterine growth restriction, dehydration, or underlying skin conditions.
Choice C is incorrect. The popliteal angle, formed by flexing the knee and measuring the angle between the thigh and lower leg, is not a reliable indicator of prematurity. It can vary even among term babies and is influenced by other factors like muscle tone and positioning.
Choice D is incorrect. Pronounced plantar creases, the lines on the soles of the feet, are also not specific to prematurity. While they may be deeper in some preterm babies, they can also be present in full-term infants and their depth can vary greatly between individuals.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Smoking and drinking alcohol can indeed affect sperm count. Studies have shown that smoking and alcohol consumption do not significantly affect semen quality, but avoiding them is still considered good health advice.
Choice B rationale
Trichomoniasis is a sexually transmitted infection that can be treated with medication. If treated properly, it should not affect the ability to conceive in the future.
Choice C rationale
The timing of intercourse for conception is usually centered around the time of ovulation, which typically occurs in the middle of the menstrual cycle, not three weeks after menstruation. Engaging in unprotected intercourse three weeks after her menstrual period may not be the most effective timing for conception.
Choice D rationale
Regular use of hot tubs can indeed decrease a man’s sperm count. The heat from hot tubs can affect sperm production, leading to a reduction in sperm count.
Correct Answer is B
Explanation
Choice A rationale
Lying down with arms at the side is not the recommended position for a breast self-exam. The recommended positions are either standing or lying down with the arm raised.
Choice B rationale
Using the finger pads of the three middle fingers to apply pressure to the breast is a correct technique for a breast self-exam. This method allows for thorough examination of the breast tissue.
Choice C rationale
It is not correct to avoid checking under the arm if the breast feels fine. The breast tissue extends into the underarm area, so it is important to check this area as well during a breast self-exam.
Choice D rationale
Working from left to right down the breast towards the ribs is not a standard instruction for a breast self-exam. The recommended method is to use a circular, up-and-down, or wedge pattern.
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