A nurse is caring for a toddler who has acute laryngotracheobronchitis and has been placed in a cool mist tent. Which of the following findings indicates that the treatment has been effective?

Choice A reason: Subcutaneous insulin is not the preferred route for a client with DKA, as it has a slower onset and peak than IV insulin. IV regular insulin is the preferred route, as it provides a rapid and continuous infusion of insulin that can be titrated according to the blood glucose level.

Choice B reason: IV regular insulin is the medication of choice for a client with DKA, as it lowers the blood glucose level and reverses the ketosis and acidosis. IV regular insulin has a rapid onset and peak, and can be adjusted based on the client's response.

Choice C reason: IV potassium chloride is indicated for a client with DKA, as the client is at risk of hypokalemia due to osmotic diuresis, insulin therapy, and metabolic acidosis. IV potassium chloride can prevent or treat hypokalemia and its complications, such as cardiac arrhythmias.

Choice D reason: Oxygen via nasal cannula is not necessary for a client with DKA, unless the client has signs of hypoxia or respiratory distress. The client's deep and rapid respirations are a compensatory mechanism for the metabolic acidosis, and do not indicate a need for oxygen therapy.

Choice E reason: Sodium bicarbonate is not recommended for a client with DKA, as it can cause paradoxical cerebral acidosis, hypokalemia, and impaired oxygen delivery. The client's acidosis can be corrected by IV insulin and fluid therapy, which will restore the normal metabolism of glucose and ketones.

Choice A reason: A respiratory rate of 24 breaths/min is within the normal range for a child, depending on their age. It does not indicate respiratory distress or asthma exacerbation.

Choice B reason: Wheezes in the lower lobes are a sign of airway obstruction and inflammation due to asthma. They indicate that the child may need additional medication or intervention to relieve their symptoms. The nurse should report this finding to the provider.

Choice C reason: An oxygen saturation of 95% is within the normal range for a child. It does not indicate hypoxia or impaired gas exchange due to asthma.

Choice D reason: A peak expiratory flow rate of 80% of personal best is considered a green zone result, meaning that the child's asthma is well controlled. It does not indicate a need for change in the child's asthma action plan.