The mother of the 7-week-old infant reports the baby has had fewer and fewer wet diapers and hasn’t stooled in 3 days despite having a ravenous appetite. The mother reports that the child has been vomiting with increasing force and volume over the past two weeks. The emesis just appears to be partially digested breastmilk and fluid. The infant appears well, but mucous membranes are dry, the child has a low-grade fever, and is tachycardic. Upon palpation of the abdomen, a small, olive-shaped mass is appreciated. A serum electrolyte panel reveals a sodium of 132, potassium of 2.7, chloride of 89, and a glucose of 92. The nurse performs which nursing action first? 

The nurse is inserting a nasogastric (NG) tube into a patient, when the patient begins to cough, wheeze, and have difficulty breathing. Which of the following is the next most appropriate intervention?

The nurse is most suspicious of glucose-6-phosphate dehydrogenase (G6PD) deficiency in which patient who presents with jaundice and fatigue after receiving an antimalarial drug?