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The neonatal intensive care unit (NICU) respiratory therapy supervisor is observing a therapist obtain an arterial blood sample from an infant’s radial artery and notices that the therapist has the bevel of the needle pointed upward, entering the patient’s skin at a 45-degree angle and in a direction against the arterial flow. What should the supervisor do at this time?

 When administering aerosol therapy to a pediatric patient, which of the following conditions can affect aerosol deposition? I. Airway diameter II. Respiratory rate III. Body weight IV. Nasal breathing

A premature infant is receiving oxygen by nasal cannula at 1.5 L/min.  The following capillary blood gas and pulse oximetry values are obtained:  pH: 7.37  PtCO2: 41 mm Hg  PCO2: 43 mm Hg HCO3: 23 mEq/L  BE: -1 mEq/L  SpO2: 98%  Which of the following should be recommended?  

Common causes of airway resistance include

If you were visiting the African savanna, you could recognize it as tropical because ____ .

One way to reduce the buildup of greenhouse gases is to ____.

Four of the following are benefits that coral reefs provide. Which one is the exception?

Human populations increase in size due to births and emigration.

Initial clinical signs and symptoms of hypoxemia include

A small-particle aerosol generator (SPAG) is used to deliver which medication: