online solution: Please explain rationales!  1. A client with a 3-day histor

Please explain rationales!  1. A client with a 3-day history of nausea and vomiting presents to the emergency department. The client is hypoventilating and has a respiratory rate of 10 breaths/minute. The electrocardiogram (ECG) monitor displays tachycardia, with a heart rate of 120 beats/minute. Arterial blood gases are drawn and the nurse reviews the results, expecting to note which finding?A decreased pH and a decreased HCO3-A decreased pH and an increased Paco2An increased pH and an increased HCO3-An increased pH and a decreased Paco2 2. The nurse is caring for a client who has a nasogastric (NG) tube ordered to low intermittent suction. When making morning rounds, the nurse finds the NG tube is set to continuous suction. The nurse immediately changes the suction back to low, intermittent suction. Further assessment of the client finds him to be confused, nervous, and with tremors in his hands (all new assessments for this client.) The nurse reports these findings to the client’s health care provider, who orders the NG suction to be discontinued for now and also orders a set of arterial blood gases (ABGs.) Which of the following ABGs does the nurse expect to find for this client? pH 7.32, PC02 50, HC03 28pH 7.48, PC02 30pH 7.48, PC02 30, HC03 32HC03 20 3. A client presents to the walk-in clinic, reporting that he has been vomiting “off and on” for the past 24 hours. The nurse is aware that this client is at risk for which of the following complications? Hypokalemia & metabolic acidosisHyperkalemia & metabolic alkalosisHyperkalemia & metabolic acidosisHypokalemia & metabolic alkalosis    Health Science Science NursingNMNC 4410