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 C
Explanation
The correct answer is Choice C.
Choice A rationale: Eating a meal prior to postural drainage is not recommended.Postural drainage uses gravity to help clear mucus from the lungs, and having a full stomach can cause discomfort and potentially lead to vomiting1.
Choice B rationale: Pancrelipase is a medication that replaces digestive enzymes produced by the pancreas.Most people with cystic fibrosis benefit from taking pancrelipase to aid their digestion2. However, it is not specifically required prior to postural drainage.
Choice C rationale: Using an albuterol inhaler prior to postural drainage is beneficial.Albuterol is a bronchodilator that helps open the airways, making it easier to clear mucus from the lungs34. This is why it’s recommended to use prior to postural drainage.
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