A 12-year-old patient with cystic fibrosis has thick secretions and recurrent mucus plugging. During airway clearance therapy, the therapist selects a device that provides positive pressure throughout expiration to prevent airway collapse and improve secretion clearance. Which therapy is most appropriate?

A 3-year-old child with moderate persistent asthma requires routine bronchodilator therapy at home. The child is unable to consistently coordinate inhalation with actuation of an inhaler. Which device would provide the most effective aerosol drug delivery?

A patient receiving IPV shows improved breath sounds and secretion clearance, but the physician wants objective evidence that the therapy is effective. Which additional assessment would best support effectiveness?

A term infant with persistent pulmonary hypertension of the newborn is receiving supplemental oxygen. The prescribed SpO₂ range is 90% to 97%. The infant’s current SpO₂ is 96%, and the infant shows no evidence of increased respiratory distress. Which action is most appropriate?

An infant repeatedly pulls away from the facemask during aerosol therapy, producing a poor seal and inconsistent medication delivery. Which interface would best improve tolerance while maintaining an effective seal?

A newborn receiving low-flow oxygen develops sudden respiratory distress. Assessment reveals: SpO₂ decreased from 94% to 82% Heart rate increased from 138/min to 176/min Breath sounds are markedly diminished on the right Right chest movement is reduced Which action should the RT take first?

For a mechanically ventilated patient receiving medication from a pMDI and spacer, aerosol delivery is most efficient when the inhaler is actuated during:

An 10-year-old child requires placement of a cuffed endotracheal tube. Using the formula presented in the chapter, which ETT size should the respiratory therapist prepare first?

A tracheostomized child is receiving 35% oxygen through an air-entrainment nebulizer and tracheostomy collar. The RT notices significant condensate collecting in the aerosol tubing. The child’s work of breathing has increased. Which explanation is most likely?

Indique la vocal tónica en el latín vulgar en cada una de las siguientes palabras: h a e r ĕ ō