A nurse is assessing the fontanels of an 8-month-old infant.
Which of the following findings should the nurse recognize as an expected finding?
The anterior fontanel is open.
The posterior fontanel is open.
Both fontanels show molding.
Both fontanels are the same size.
The Correct Answer is A
Choice A rationale:
The anterior fontanel is open in an 8-month-old infant. The anterior fontanel, located at the top of the baby's head where the skull bones have not yet fused, typically closes between 12 to 18 months of age. It is a normal finding in an 8-month-old infant.
Choice B rationale:
The posterior fontanel closes earlier than the anterior fontanel, usually within the first few months of life. It is a smaller diamond-shaped area located at the back of the baby's head. It is not expected to be open in an 8-month-old infant.
Choice C rationale:
Molding refers to the shaping of the fetal head during passage through the birth canal. It can cause temporary changes in the shape of the baby's skull. By 8 months of age, molding is not an expected finding as the skull bones have had time to return to their normal shape.
Choice D rationale:
Both fontanels being the same size is not a typical finding. The anterior fontanel is larger than the posterior fontanel, and their sizes are proportional. Any significant deviation from this proportion could indicate abnormal skull development and should be further assessed.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Naproxen is a nonsteroidal anti-inflammatory drug (NSAID) and can increase the risk of bleeding when used with warfarin, which is an anticoagulant medication. Combining these two medications can lead to excessive bleeding and is considered incompatible.
Choice B rationale:
Magnesium hydroxide is an antacid and does not have significant interactions with warfarin. It does not affect the anticoagulant properties of warfarin.
Choice C rationale:
Lisinopril is an angiotensin-converting enzyme (ACE) inhibitor used to treat high blood pressure and heart failure. It does not have a significant interaction with warfarin.
Choice D rationale:
Propranolol is a beta-blocker used to treat high blood pressure, angina, and other heart conditions. It does not have a significant interaction with warfarin.
Correct Answer is D
Explanation
Choice A rationale:
Taking antibiotics when having a virus is not a correct understanding of infection prevention. Antibiotics are ineffective against viruses and should only be used for bacterial infections under the guidance of a healthcare provider. This statement indicates a misunderstanding of infection prevention.
Choice B rationale:
Washing hands for at least 20 seconds with soap and water is the recommended practice for infection prevention. Washing hands for 10 seconds may not be sufficient to remove all germs effectively. This statement does not demonstrate a proper understanding of hand hygiene.
Choice C rationale:
Cleaning a cat's litter box during pregnancy is not recommended due to the risk of contracting toxoplasmosis, a parasitic infection that can harm the fetus. Pregnant individuals should avoid handling cat litter to prevent exposure to this infection. This statement indicates a lack of awareness regarding infection prevention during pregnancy.
Choice D rationale:
Waiting 5 days after the chickenpox sores have crusted before visiting a person with chickenpox demonstrates an understanding of infection prevention. Chickenpox is highly contagious, and individuals should avoid close contact until the sores have fully healed and crusted over. This statement reflects appropriate knowledge about preventing the spread of contagious diseases during pregnancy.
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