A nurse is preparing to administer 0.5% Erythromycin ophthalmic ointment to a newborn. Which route and dose should the nurse apply?
Apply 1-2 cm ribbon from outer to inner canthus.
Apply 2-3 inch ribbon from inner to outer canthus.
Apply 1-2 cm ribbon from inner to outer canthus.
Apply 1-2 inch ribbon to upper eyelid.
The Correct Answer is C
Choice A rationale
Applying a 1-2 cm ribbon from outer to inner canthus is incorrect because it increases the risk of contamination and infection by moving from a less clean area to a more clean area.
Choice B rationale
Applying a 2-3 inch ribbon from inner to outer canthus is incorrect because the length of the ribbon is too long and the direction is not recommended for preventing contamination.
Choice C rationale
Applying a 1-2 cm ribbon from inner to outer canthus is correct as it minimizes the risk of contamination by moving from a cleaner area to a less clean area, ensuring proper application of the ointment.
Choice D rationale
Applying a 1-2 inch ribbon to the upper eyelid is incorrect because the upper eyelid is not the recommended site for application, and the length of the ribbon is too long.
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Correct Answer is A
Explanation
Choice A rationale
Placing a baby on their back to sleep significantly reduces the risk of SIDS. This position helps keep the airway open and reduces the risk of suffocation.
Choice B rationale
There is no direct correlation between SIDS and the diphtheria, tetanus, and pertussis vaccines. Vaccines are safe and do not increase the risk of SIDS3.
Choice C rationale
SIDS rates have actually decreased over the last 10 years, largely due to public health campaigns promoting safe sleep practices.
Choice D rationale
Sleep apnea is not the main cause of SIDS. The exact cause of SIDS is unknown, but it is believed to be related to defects in the brain that control breathing and arousal from sleep.
Correct Answer is D
Explanation
Choice A rationale
The xiphoid process is not the correct anatomical landmark for measuring chest circumference in newborns. It is located at the lower end of the sternum and does not provide a consistent measurement point.
Choice B rationale
The fifth intercostal space is not used for measuring chest circumference in newborns. This space is located between the ribs and is not a reliable landmark for consistent measurements.
Choice C rationale
The sternal notch is not the correct landmark for measuring chest circumference. It is located at the top of the sternum and does not provide a consistent measurement point.
Choice D rationale
The nipple line is the correct anatomical landmark for measuring chest circumference in newborns. This method ensures that the measurement is taken at a consistent and reproducible location, providing an accurate assessment of the chest size relative to growth and development standards.