A 3-month-old infant is intubated for management of respirat…

A 3-month-old infant is intubated for management of respiratory failure.  During transport, the infant develops bradycardia with a heart rate of 60/min, and the infants oxygen saturation decreases to 75%.  There are breath sounds on the right side, but no air entry is heard on the left side.  What is the most appropriate initial intervention?

A 10-year-old child has a sudden witnessed cardaic arrest an…

A 10-year-old child has a sudden witnessed cardaic arrest and recieves immediate bystander CPR and defibrillation within 3 minutes.  He had return of spontaneous circulation.  The child remains unresponsive and has an advanced airway in place.  There is no history of trauma or signs of shock.  What is the target range for oxygen saturation for this child? 

The parents of a 7-year-old child who is recieving chemother…

The parents of a 7-year-old child who is recieving chemotherapy report that the child has been febrile and has not been feeling well, with recent onset of lethargy.  Assessment reaveals the following:  The child is difficult to arouse, with pale color.  The childs heart rate is 160/min., blood pressure is 74/45 mm Hg, capillary refill time is 5 to 6 seconds, and temperature is 103F (39.4C).  What is the most appropriate intervention?

Use this information for the following  two questions.  Pea…

Use this information for the following  two questions.  Pea plants with the genotype RrYy are crossed with others that have the genotype Rryy. The resulting phenotypes were observed in 32 offspring: 20 round (R) and yellow (Y), 6 round and green (y), 1 wrinkled (r) and yellow, and 5 wrinkled and green.