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.
Both fontanels are the same size.
The posterior fontanel is open.
Both fontanels show moulding
The Correct Answer is A
Choice A reason
The anterior fontanel is open is the correct answer. An expected finding in an 8-month-old infant is that the anterior fontanel (the soft spot on the top of the baby's head) is open. The fontanelles are spaces between the bones of an infant's skull that allow for the baby's brain to grow and the skull to mould during birth.
The anterior fontanel typically remains open until the baby is around 18 to 24 months old, with the closure process starting sometime after 9 months of age. Therefore, at 8 months of age, it is normal for the anterior fontanel to still be open.
Choice B reason:
Both fontanels are the same size is incorrect. Both fontanels are usually not the same size. The anterior fontanel is larger and diamond-shaped, while the posterior fontanel is smaller and triangular.
Choice C reason:
The posterior fontanel is open is incorrect. The posterior fontanel, located at the back of the baby's head, usually closes earlier than the anterior fontanel. It typically closes within the first few months after birth, so it is not expected to be open at 8 months of age.
Choice D reason
Both fontanels show molding is incorrect. Molding refers to the temporary shaping of the baby's head during birth due to the pressure exerted during the passage through the birth canal. By 8 months of age, the molding typically resolves, and the baby's head should have a more rounded appearance.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The correct answer is choice A, administer a fluid bolus.
Choice A rationale:
Administering a fluid bolus is appropriate when a client’s urine output is low, which in this case is less than the minimum expected output of 30 mL/hr. The dark yellow color of the urine also suggests dehydration or concentrated urine, which can be addressed with increased fluid intake.
Choice B rationale:
Initiating continuous bladder irrigation is typically done to clear the urinary tract of blood clots or debris following urologic surgery, not for low urine output or dark urine. Therefore, this intervention is not indicated based on the given scenario.
Choice C rationale:
Obtaining a urine specimen for culture and sensitivity is an action taken when there is a suspicion of a urinary tract infection. The scenario does not provide evidence of infection, such as fever or cloudy urine with a strong odor, so this would not be the first intervention to anticipate.
Choice D rationale:
Clamping the catheter tubing is done in preparation for catheter removal or to assess if the client can void without the catheter. It is not an appropriate intervention for low urine output or dark urine and could potentially cause bladder distention or discomfort.
Correct Answer is ["B","D","E","H"]
Explanation
• B: Heart rate 99/min. This is a finding that requires immediate follow-up because it is above the normal range for a 16-year-old client, which is 60 to 100 beats per minute. A high heart rate could indicate anxiety, stress, pain, infection or other conditions that need to be addressed.
• D: Client experiences nightmares. This is a finding that requires immediate follow-up because it could indicate post-traumatic stress disorder (PTSD), which is a mental health condition that can develop after witnessing or experiencing a traumatic event. PTSD can cause distressing symptoms such as nightmares, flashbacks, intrusive thoughts, avoidance, negative mood and hyperarousal. PTSD can interfere with the client’s daily functioning and well-being and requires professional treatment.
• E: Witnessing their family’s death. This is a finding that requires immediate follow-up because it is the most likely cause of the client’s PTSD symptoms and emotional distress. Witnessing the death of one’s family members is a devastating and traumatic experience that can have lasting effects on the client’s mental health. The client may benefit from grief counseling, trauma-focused therapy, medication or other interventions to help them cope with their loss and trauma.
• H: Smoking marijuana to clear their mind. This is a finding that requires immediate follow-up because it indicates that the client is using an illicit substance to self-medicate their emotional pain. Smoking marijuana can have negative effects on the client’s physical and mental health, such as impairing their memory, cognition, judgment, coordination and motivation. It can also increase the risk of addiction, dependence and withdrawal symptoms. The client may need substance abuse counseling, education, referral or other services to help them quit smoking marijuana and find healthier ways to cope with their feelings.
The other findings do not require immediate follow-up for the following reasons:
• A: BP 122/80 mmHg. This is not a finding that requires immediate follow-up because it is within the normal range for a 16-year-old client, which is 110 to 120/70 to 80 mmHg. A normal blood pressure indicates that the client’s cardiovascular system is functioning well and there are no signs of hypertension or hypotension.
• C: Startles easy during thunderstorm. This is not a finding that requires immediate follow-up because it is a normal reaction to a loud noise or a frightening stimulus. The client admits that they have always been afraid of thunderstorms, which suggests that this is not a new or unusual behavior for them. However, the nurse may want to monitor the client’s anxiety level and provide reassurance and comfort during thunderstorms.
• F: Caregiver reporting client acting differently than usual. This is not a finding that requires immediate follow-up because it is a vague and subjective statement that does not specify how the client is acting differently or what changes have occurred in their behavior. The nurse may want to ask the caregiver for more details and examples of how the client has changed since the traumatic event and assess whether these changes are normal or concerning.
• G: Attends school regularly. This is not a finding that requires immediate follow-up because it indicates that the client is maintaining their academic performance and social interactions despite their trauma and grief. Attending school regularly can provide the client with a sense of routine, structure, support and achievement that can help them cope with their situation. However, the nurse may want to check with the client’s teachers and peers to see if they have noticed any changes in the client’s mood, behavior or participation at school.
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