What is the most important step a nurse should teach a pediatric patient when using a metered dose inhaler (MDI) for asthma management?
Use a spacer to enhance medication delivery.
Inhale quickly to ensure the medication reaches the lungs.
Hold the breath for at least 10 seconds after inhaling.
Shake the inhaler vigorously before each use.
The Correct Answer is A
Effective pediatric asthma management focuses on optimizing drug deposition within the lower respiratory tract. This scenario requires applying knowledge of inhalation mechanics and delivery device efficacy to minimize oropharyngeal deposition and maximize the therapeutic action of corticosteroids or bronchodilators in smaller airways.
Choice A rationale
Spacers slow the speed of aerosol particles and decrease the particle size. This prevents the medication from hitting the back of the throat and improves lung deposition significantly, which is critical for pediatric patients with smaller airway diameters.
Choice B rationale
Quick inhalation causes turbulent airflow, leading to medication impaction in the upper airway and mouth. Slow, deep inhalation is required to allow the aerosol to bypass the glottis and reach the distal bronchioles for effective treatment.
Choice C rationale
Holding the breath allows for sedimentation, where gravity pulls particles onto the lung surface. While important, the spacer is the most critical step for ensuring the medication actually enters the lungs initially in children who lack coordination.
Choice D rationale
Shaking ensures the propellant and medication are mixed for a consistent dose. However, without a spacer, much of that dose is wasted in the mouth, making the delivery device the priority for teaching effective clinical management.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Neonatal genitourinary assessment requires differentiating between normal developmental variations and urgent pathologies. Knowledge of the timing of testicular descent and the prevalence of undescended testes in newborns is necessary to determine the appropriate timing for medical reporting and intervention.
Choice A rationale
Cryptorchidism, or undescended testes, is common in newborns, especially those born near or before 37 weeks. The testes often descend spontaneously within the first few months of life, so documenting and routine reporting is the appropriate initial action.
Choice B rationale
Surgery, known as an orchiopexy, is typically not considered until the infant is at least 6 months to 1 year old if the testis hasn't descended. Telling a caregiver surgery is required before discharge provides inaccurate and alarming information.
Choice C rationale
An undescended testis is a localized developmental finding and does not indicate systemic instability or respiratory distress. Therefore, a transfer to the neonatal intensive care unit is unnecessary and inappropriate for an otherwise healthy, stable newborn.
Choice D rationale
While a urology consult may eventually be necessary if the condition persists, it is not an immediate requirement 24 hours after birth. Monitoring the infant during well-child visits is the standard of care for initial management.
Correct Answer is A
Explanation
End-of-life care in pediatrics requires mastery of therapeutic communication and family-centered care. Transitioning from curative to palliative goals involves sensitive framing. Applying principles of honesty and support is necessary to help families navigate the complex emotional landscape of a child's death.
Choice A rationale
Reframing care as a shift toward comfort ensures the family feels the child is still being actively supported. This approach prioritizes dignity and symptom management, helping families understand that stopping aggressive treatment is not equivalent to giving up.
Choice B rationale
Using vague language or euphemisms can lead to confusion and misunderstandings during a critical time. Clear, honest communication is necessary for families to make informed decisions and begin the grieving process without the burden of misinterpreted medical information.
Choice C rationale
Avoiding the reality of death prevents the family from preparing for the inevitable loss. Openly discussing the dying process allows for the fulfillment of the child's and family's final wishes, facilitating a more peaceful and supported transition.
Choice D rationale
Providing false hope destroys the trust between the healthcare team and the family. Honest prognostic information, while difficult to hear, is required for the family to process their grief and focus on providing comfort to the child.
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