Critical Care Final Exam Practice Test Ch 1-5 with Q & A

Critical Care Final Exam Practice Test Ch 1-5 with Q & A A new area of hyperresonance is noted during chest wall percussion of a patient who is receiving continuous mechanical ventilation. The most likely cause for this finding is: ANSWER Pneumothorax What lab test can be used as a screening tool for CHF? ANSWER Brain Natriuretic Peptide (BNP) Which of the following represents the characteristics of Sinus Tachycardia: I. Atrial rate of 250-350/minute II. no identifiable P waves, erratic, wavy baseline III.regular ventricular rhythm at a rate of 100-160 beats/min IV. QRS duration of <.12 seconds ANSWER III & IV A chest tube to drain a hemothorax should be placed in the: ANSWER 5th intercostal space, midaxillary line which of the following include factors that may cause obstruction of an artificial airway? I. foreign objects such as dentures II. mucus plugging III. rapid mobilization of secretions from the lung IV. vocal cord paralysis ANSWER II & III Bobby is a 22yo male who was involved in a MVA. He suffered spinal cord damage at C2-3. What would you expect to find during your assessment of Bobby's breathing? ANSWER unable to breathe on his own, supported by mechanical ventilation The highest percentage of water in the body is found in which fluid compartment? ANSWER Intracellular Which of the following indicates adequate tissue perfusion in the critically ill patient? I. warm extremities II. capillary refill time of 6 seconds III. urinary output of 40 mL/hr ANSWER I & II