An instructor asks a nursing student to test a newborn’s rooting reflex. Which technique would be correct?

Offering the little finger to the infant’s mouth.

Stroking the infant’s cheek near the mouth.

Startling the neonate by jarring the crib and making a loud noise.

Stroking the lateral edge of the neonate’s foot.

Answer and Explanation

The Correct Answer is B

Choice A reason: Offering a finger may elicit sucking, not rooting, which involves head-turning toward a stimulus. Stroking the cheek triggers the rooting reflex, so this is incorrect for testing the specific reflex.

Choice B reason: Stroking the infant’s cheek near the mouth elicits the rooting reflex, causing the newborn to turn toward the stimulus, seeking to nurse. This is the correct technique for testing this reflex.

Choice C reason: Jarring the crib tests the Moro reflex, not rooting, which is unrelated to startle responses. Cheek stroking is specific to rooting, so this incorrect for the reflex being assessed.

Choice D reason: Stroking the foot edge tests the Babinski reflex, not rooting, which involves oral seeking. The cheek is the correct area to stimulate, so this is incorrect for the rooting reflex.

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Correct Answer is B

Explanation

hoice A reason: Symmetry is a benign mole feature; asymmetry is concerning for melanoma. Burning and bleeding with irregular edges raise cancer risk, so symmetry is not the concerning finding here.

Choice B reason: Irregular edges, combined with burning and bleeding, are concerning for melanoma, per the ABCDE criteria (Asymmetry, Border irregularity). This suggests malignancy, making it the correct additional finding to worry about.

Choice C reason: Diameter less than 6 mm is less concerning; melanomas are often >6 mm. Irregular edges with symptoms are more indicative of cancer, so this is not the priority finding.

Choice D reason: Consistent color is benign; variegated colors suggest malignancy. Irregular edges with burning/bleeding are more alarming, so consistent color is incorrect for the concerning finding.

A. Right 5th intercostal space at the sternal border B. Right 2nd intercostal space at the sternal border C. Left 5th intercostal space at the mid-clavicular line D. Left 2nd intercostal space at the mid-clavicular line

Correct Answer is B

Explanation

Choice A reason: The right 5th intercostal space at the sternal border is near the tricuspid valve, where murmurs from tricuspid regurgitation or stenosis are typically heard. Aortic valve stenosis murmurs, caused by turbulent flow through a narrowed aortic valve, are not prominent here, making this an incorrect assessment site.

Choice B reason: The right 2nd intercostal space at the sternal border is the aortic area, ideal for auscultating aortic valve stenosis murmurs. These murmurs are harsh, crescendo-decrescendo, and systolic, radiating to the carotid arteries due to turbulent blood flow through the stenosed aortic valve, making this the correct site.

Choice C reason: The left 5th intercostal space at the mid-clavicular line is the mitral valve area, where mitral regurgitation or stenosis murmurs are heard. Aortic valve stenosis murmurs originate from the aortic root and are not best detected here, rendering this choice incorrect.

Choice D reason: The left 2nd intercostal space at the mid-clavicular line is near the pulmonic valve, where pulmonic stenosis murmurs are auscultated. Aortic valve stenosis murmurs are not prominent in this area, as they are specific to the aortic region, making this an incorrect choice.

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An instructor asks a nursing student to test a newborn’s rooting reflex. Which technique would be correct?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is B

Explanation

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