To prevent possible retinopathy in a preterm infant requiring oxygen therapy, the nurse will:
Keep the infant's eyes covered at all times.
Position with the head slightly lower than the body.
Administer low concentrations of oxygen.
Monitor arterial oxygen levels with a pulse oximeter.
The Correct Answer is C
Administer low concentrations of oxygen. Retinopathy of prematurity (ROP) is a disease of retinal vascular and capillary proliferation affecting premature infants undergoing oxygen therapy. Oxygen treatment results in pathologic growth of vessels in the developing retina that may lead to permanent damage to the retina as well as retinal detachment and macular folds. Administering low concentrations of oxygen can help prevent ROP by reducing the oxygen-induced vasoconstriction and vascular endothelial growth factor (VEGF) expression.
Choice A is not correct because keeping the infant's eyes covered at all times does not prevent ROP. In fact, it may increase the risk of infection or injury to the eyes.
Choice B is not correct because positioning with the head slightly lower than the body does not prevent ROP. It may increase the intracranial pressure and affect the cerebral blood flow.
Choice D is not correct because monitoring arterial oxygen levels with a pulse oximeter does not prevent ROP. It is a useful tool to guide oxygen therapy, but it does not directly affect retinal vascular development.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Leave the milia alone: it will disappear spontaneously. No treatment is needed. Milia are small, white cysts that form on the skin, usually on the face, nose, or cheeks of newborns. They are harmless and very common, affecting about half of all healthy infants. They are caused by dead skin cells trapped in pockets of the skin or mouth. They are not a type of acne and are not related to breastfeeding or formula feeding. They usually go away on their own within a few weeks or months without any intervention.
Choice A is incorrect because squeezing out the white material can damage the skin and cause infection or scarring.
Choice B is incorrect because contacting a pediatric dermatologist is unnecessary and expensive for a benign condition that resolves by itself.
Choice D is incorrect because washing the baby's face with a mild astringent can irritate the skin and make the milia worse.
Correct Answer is C
Explanation
Notify the physician of a possible pulmonary embolism. This is because the client's symptoms suggest that she has a pulmonary embolism, which is a blockage of a blood vessel in the lungs often caused by blood clots that travel from the legs. Pulmonary embolism is a life-threateningcondition that requires immediate medical attention. The client may also have chest pain, coughing up blood, dizziness, or fainting.
Choice A is wrong because postpartum mucous membrane congestion does not cause fever, cough, or shortness of breath.
Choice B is wrong because an upper respiratory infection does not cause edema and redness along the saphenous vein.
Choice D is wrong because an antipyretic remedy does not treat the underlying cause of the fever and may mask the severity of the condition.
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