A nurse is administering erythromycin eye ointment to a newborn who has a history of allergic reaction to penicillin.

What should the nurse do before applying the ointment?

Ask the mother if she has any allergies to antibiotics

Check if there is any cross-sensitivity between erythromycin and penicillin

Apply a small amount of ointment on the skin to test for allergic reaction

Administer an antihistamine to prevent anaphylaxis

Answer and Explanation

The Correct Answer is B

The correct answer is choice B. Check if there is any cross-sensitivity between erythromycin and penicillin. Erythromycin is a macrolide antibiotic that can be used to treat bacterial eye infections in newborns and adults.

Penicillin is a beta-lactam antibiotic that can cause allergic reactions in some people.

Cross-sensitivity means that a person who is allergic to one type of antibiotic may also be allergic to another type of antibiotic that has a similar structure or mechanism of action. Erythromycin and penicillin have different structures and mechanisms of action, but there is still a small chance of cross-sensitivity between them.

Therefore, the nurse should check if the newborn has any history of allergic reaction to penicillin before applying the erythromycin eye ointment.

Choice A is wrong because asking the mother if she has any allergies to antibiotics is not enough to determine if the newborn is at risk of an allergic reaction to erythromycin.

The newborn may have inherited or developed an allergy to penicillin or erythromycin that the mother does not have.

Choice C is wrong because applying a small amount of ointment on the skin to test for allergic reaction is not a reliable method to diagnose an allergy. Skin testing can cause false positive or false negative results, and it may also trigger a severe allergic reaction in some cases.

Choice D is wrong because administering an antihistamine to prevent anaphylaxis is not appropriate for a newborn who has not been exposed to the allergen yet.

An antihistamine is a medication that blocks the effects of histamine, a chemical that causes allergic symptoms.

Anaphylaxis is a life-threatening allergic reaction that involves multiple organ systems and requires immediate medical attention. An antihistamine cannot prevent anaphylaxis, and it may also cause side effects such as drowsiness, dry mouth, or low blood pressure in a newborn.

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Correct Answer is ["A","B","C","D","E"]

Explanation

The correct answer is choice A, B, C, D and E.All of these are possible modes of transmission for hepatitis B virus (HBV), which is a viral infection that attacks the liver and can cause both acute and chronic disease.The virus is most commonly transmitted from mother to child during birth and delivery, as well as through contact with blood or other body fluids during sex with an infected partner, unsafe injections or exposures to sharp instruments.

Choice A is correct because unprotected sexual contact can expose a person to the blood, semen, or vaginal fluids of an infected partner.

Choice B is correct because sharing drugs, needles, or “works” when using drugs can expose a person to the blood of an infected person.

Choice C is correct because poor infection control practices in medical settings can expose a person to contaminated needles or syringes or sharp objects that have been used on an infected person.

Choice D is correct because sharing of blood sugar (diabetes) testing equipment can expose a person to the blood of an infected person.

Choice E is correct because needle sticks or sharps exposures on the job can expose a person to the blood of an infected

A. Bulging fontanelle B. Sunken eyes C. Mottled skin D. Flaring nostrils

Correct Answer is A

Explanation

The correct answer is choice A. Bulging fontanelle.

A bulging fontanelle is a sign of increased intracranial pressure, which can be caused by intracranial hemorrhage.

Late-onset VKDB is a condition that occurs in infants who have low levels of vitamin K, which is essential for blood clotting.Most cases of late-onset VKDB present with intracranial hemorrhage.

Choice B. Sunken eyes is wrong because it is a sign of dehydration, not intracranial hemorrhage.

Choice C. Mottled skin is wrong because it is a sign of poor circulation or shock, not intracranial hemorrhage.

Choice D. Flaring nostrils is wrong because it is a sign of respiratory distress, not intracranial hemorrhage.

Normal ranges for vitamin K plasma concentrations are 0.2 to 3.2 ng/mL for adults and 0.15 to 1.5 ng/mL for infants.

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A nurse is administering erythromycin eye ointment to a newborn who has a history of allergic reaction to penicillin. What should the nurse do before applying the ointment?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is educating a group of college students about hepatitis B virus (HBV) transmission and prevention. The nurse should emphasize that the most common modes of transmission are which of the following? (Select all that apply)

Correct Answer is ["A","B","C","D","E"]

Explanation

A nurse is assessing a newborn who has late-onset VKDB due to exclusive breastfeeding and inadequate oral vitamin K supplementation. Which of the following findings should indicate a possible intracranial hemorrhage to the nurse?

Correct Answer is A

Explanation

A nurse is caring for a preterm newborn who has hypoglycemia due to inadequate gluconeogenesis. The nurse should understand that this condition occurs because preterm newborns have limited stores of which of the following substances?

A nurse is reviewing laboratory results for a newborn who received vitamin K injection at birth. Which of the following coagulation factors should be activated by vitamin K?

The nurse is teaching parents how to care for their son’s circumcision site after discharge from hospital using petroleum jelly and gauze dressing method. Which statement by parents indicates that they need further instruction?

The nurse is caring for a newborn who was circumcised using a Gomco clamp 12 hours ago and notes that there is a small amount of blood on his diaper where his penis rests against it. The most appropriate nursing action would be to:

A nurse is administering erythromycin eye ointment to a newborn who has a history of allergic reaction to penicillin. What should the nurse do before applying the ointment?

A nurse is preparing to administer hepatitis B vaccine to a newborn whose mother is hepatitis B surface antigen negative (HBsAg-). Which of the following actions should the nurse take?

A nurse is educating a new mother about umbilical cord care and how to prevent omphalitis, sepsis, and tetanus. Which of the following statements by the mother indicates an understanding of the teaching?

A nurse is performing an initial assessment of a newborn who was delivered vaginally at term with no complications. Which of the following findings should alert the nurse to a potential problem?

A nurse is administering erythromycin eye ointment to a newborn who has a history of allergic reaction to penicillin.

What should the nurse do before applying the ointment?