ATI Respiratory Practice Exam Rationales Questions & Answers(RATED A)

Nasal Canula -ANSWER o 1 - 6 L/min o 24% - 44% Simple Face Mask -ANSWER o 40% - 60% o Open exhalation ports allow room air in and exhaled air out Partial Rebreather -ANSWER o 60% - 75% o Exhalation ports are open, which allows room air in and exhaled air out Nonrebreather -ANSWER o One way valve to prevent exhaled air from entering the reservoir bag o Exhalation ports with flaps that prevent room air from entering the mask. o Greater than 90% FIO2 o Highest level of O2 Albuterol -ANSWER - Short-acting beta 2-adrenergic agonist - Acts quickly to produce bronchodilation during an asthma attack - Adverse Effect: Tachycardia Fluticasone and salmeterol -ANSWER o Combined glucocorticoid and a long-acting beta 2-adrenergic agonist o Administered for maintenance therapy of asthma Predinsone -ANSWER Should be administered following an acute attach to promote anti-inflammatory effects Cromolyn sodium -ANSWER o Anti-inflammatory agent o Administered for maintenance therapy Causes of High Pressure Alarm on a Mechanical Ventilator -ANSWER o Biting on the endotracheal tube o Kinks in the tubing - causes an obstruction o Excess of secretions in the airway Causes of Low Pressure Alarm on a Mechanical Ventilator -ANSWER Artificial airway cuff leak - interferes with oxygenation Acute Respiratory Failure ABGs -ANSWER • PaO2: decreased • SaO2: decreased