A nurse is collecting data from a 6-week-old infant. Which of the following findings should the nurse expect?
Absence of Babinski reflex
Absence of Moro reflex
Closure of the posterior fontanel
Closure of the anterior fontanel
The Correct Answer is C
A. Absence of Babinski reflex: The Babinski reflex (a fanning of the toes when the sole of the foot is stroked) is normal in infants and should be present until around 12 months of age. Its absence at 6 weeks would be atypical.
B. Absence of Moro reflex: The Moro reflex (a startle response) is typically present in newborns and may begin to disappear by 3-6 months of age. Its absence at 6 weeks would be concerning and could indicate neurological issues.
C. Closure of the posterior fontanel: The posterior fontanel typically closes by 6-8 weeks of age. This is a normal finding for a 6-week-old infant.
D. Closure of the anterior fontanel: The anterior fontanel typically closes between 12 and 18 months of age, not by 6 weeks. Therefore, closure of the anterior fontanel at 6 weeks would be unusual.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"C","dropdown-group-2":"C"}
Explanation
Rationale for Correct Choices:
- Consult the child life specialist for guidance: A child life specialist can help the parent navigate the difficult conversation with their adolescent, providing strategies for addressing sensitive topics like metastasis and death.
- Reinforce teaching to the parent regarding the adolescent's potential emotional responses: Educating the parent on common emotional responses helps them prepare for and better support their adolescent through this challenging time.
Rationale for Incorrect Choices:
- Encourage the parent to hide their emotions from their adolescent: Hiding emotions can create barriers to trust and communication, which can make the adolescent feel isolated or confused.
- Instruct the parent to withhold the test results from their adolescent: Withholding important information can prevent the adolescent from understanding their condition and making informed decisions about their care.
- Discourage the parent from discussing the possibility of death with their adolescent: Avoiding discussions about death can prevent the adolescent from processing their emotions and understanding the reality of their situation.
- Collaborate with the RN to initiate a referral for admission to hospice care: Hospice care should only be considered after emotional support and clear communication have been established, not prematurely without addressing emotional needs first.
Correct Answer is ["A","B","C","D","H","I"]
Explanation
Rationale:
- Sudden onset of fever, headache, sensitivity to light (photophobia): This triad of symptoms is a hallmark of meningeal irritation and strongly suggests meningitis. The sudden onset of fever and headache, paired with photophobia (light sensitivity), is often seen in bacterial or viral meningitis.
- Lethargic and drowsy but arouses with verbal stimuli, Irritable when aroused: This indicates an altered mental status, which is concerning in the context of suspected meningitis. Altered consciousness (such as lethargy and irritability when aroused) suggests central nervous system (CNS) involvement, often due to an infection like meningitis.
- Headache as a 10 on a numeric pain scale of 0 to 10: A severe headache is a key symptom of meningeal irritation, often caused by the inflammation of the meninges in conditions like meningitis. The intensity of the headache (10 out of 10) warrants immediate attention and pain management, alongside investigating the underlying cause.
- Resists flexion of the neck (Nuchal rigidity): Nuchal rigidity (neck stiffness) is a cardinal sign of meningitis or meningeal irritation. It indicates inflammation of the meninges. This finding, especially when combined with other symptoms, strongly points toward meningitis.
- Small pinpoint purpuric rash bilaterally on lower extremities: A purpuric rash (non-blanching could indicate meningococcemia, a severe form of bacterial meningitis caused by Neisseria meningitidis. The presence of this rash requires immediate attention and intervention.
Rationale for incorrect Findings:
- Pupils equal, round, reactive to light, accommodation (PERRLA); This finding suggests that the infant's neurological status is stable in terms of pupil response, with no immediate signs of increased intracranial pressure or brain herniation.
- Hand grasps and pedal pulls and pushes are strong and equal bilaterally: This indicates that the infant is still demonstrating full motor strength and function in the limbs, which is reassuring in the context of meningeal irritation. There is no immediate evidence of weakness or paralysis.
- Mucous membranes are pink and dry: Pinl mucous membranes suggest adequate perfusion and dry mucous membranes could indicate dehydration, which is common with fever and poor oral intake. While it is a concern, the dryness of mucous membranes does not directly point to a critical or life-threatening issue like the neurological findings.
- Skin is very warm and dry to touch: The warmth and dryness of the skin indicate fever, which is expected in infections such as meningitis. Fever management, such as antipyretics (e.g., acetaminophen), is necessary, but it is not as urgent as other neurological findings.
- Capillary refill is 2 seconds: A capillary refill time of 2 seconds is considered normal. It suggests that the child has adequate perfusion and circulation. This is a reassuring sign and does not require immediate follow-up.
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