A nurse is caring for an 11-year-old child who presents to the emergency department with a mild cough and malaise that have been present for 1 week and an oral temperature of 38.1° C (100.6° F). After gathering a history, the nurse suspects pertussis. Which of the following should the nurse anticipate the healthcare provider to prescribe to aid in the rapid diagnosis of pertussis?
Polymerase chain reaction test
Pulmonary function testing (PFT)
CT scan
Chest x-ray
The Correct Answer is A
A. Polymerase chain reaction test: PCR testing is the preferred method for rapidly detecting Bordetella pertussis DNA. It is highly sensitive and can confirm the diagnosis early in the course of illness, allowing prompt initiation of appropriate antibiotic therapy.
B. Pulmonary function testing (PFT): PFTs assess lung function and are used for chronic respiratory conditions such as asthma, not for diagnosing acute infections like pertussis.
C. CT scan: Computed tomography is not indicated for routine diagnosis of pertussis. It is reserved for evaluating complex or severe pulmonary conditions and provides more detail than necessary for bacterial infection identification.
D. Chest x-ray: A chest x-ray may help rule out pneumonia or other complications but cannot confirm pertussis. Imaging is supportive, not diagnostic, for pertussis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. "Schools are no longer required to offer special education classrooms; they are being phased out to save money for the school district.": Public schools are legally required under the Individuals with Disabilities Education Act (IDEA) to provide appropriate education, including special education services, so this statement is inaccurate and misleading.
B. "Studies show that children who have mild cognitive disabilities experience more enhanced development in an inclusive classroom.": Inclusive classrooms allow children with mild cognitive disabilities to engage academically and socially alongside neurotypical peers, supporting skill development and promoting greater educational outcomes.
C. "Including children who have mild cognitive disabilities in a classroom with that has neurotypical children will encourage socialization with your child.": While socialization can be a benefit, the focus is broader than socialization alone; inclusive settings also improve academic engagement and overall development.
D. "School administration will observe your child for one year before making a placement decision.": Placement decisions for students with disabilities are made based on individualized education program (IEP) assessments, not arbitrary observation periods, making this statement inaccurate.
Correct Answer is B
Explanation
A. "Your child can participate in activities like riding a bike, but they should not participate in sports.": Restricting all sports unnecessarily limits the child’s physical activity and social development when cardiac function is stable after ASD repair.
B. "Your child can participate in team sports as tolerated.": After successful surgical repair and with stable cardiac function, children with repaired ASDs can generally participate in physical activity and team sports according to their tolerance, with monitoring for symptoms such as fatigue or shortness of breath.
C. "Your child cannot participate in any sports.": Complete restriction is not warranted for a child with a repaired ASD who has no residual cardiac issues, and may negatively impact overall health and psychosocial well-being.
D. "Your child can participate in only individual sports, no team sports.": Limiting participation to individual sports is unnecessary if the child has fully recovered and has no exercise restrictions, as team sports can be safely tolerated.
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