Page 96 - Critical Care Nursing Demystified

Chapter 2 CARE OF THE PATIENT WITH CRITICAL RESPIRATORY NEEDS 81

6. Your patient is ordered oxygen via a rebreather mask. The nurse providing this
low-flow oxygen delivery system understands that this method of delivery
A. Gives the highest FiO
2
B. Delivers a precise concentration of oxygen
C. Requires humidity during delivery
D. Uses a reservoir without flaps on the oxygen mask

7. A 19-year-old male is admitted with a large, spontaneous pneumothorax. He is
intubated with an endotracheal tube and placed on a mechanical ventilator.
Which physical finding will alert the nurse to a potential problem in respiratory
function before a chest x-ray confirms placement?
A. Dullness to percussion in the third to fifth intercostal spaces, midclavicular
line
B. Decreased paradoxical motion
C. Louder breath sounds on the right chest
D. pH of 7.36 in arterial blood gases

8. The signs and symptoms of acute respiratory failure (ARF) can be easily over-
looked. Knowing this, the nurse should be observant for which of the following
that indicate the early stage of this medical emergency?
A. Cyanosis and coma Downloaded by [ Faculty of Nursing, Chiangmai University 5.62.158.117] at [07/18/16]. Copyright © McGraw-Hill Global Education Holdings, LLC. Not to be redistributed or modified in any way without permission.
B. Agitation and confusion
C. Hypotension and bradycardia
D. Poor respiratory effort and mottling
9. A nurse is teaching a patient about status asthmaticus. Included in this teaching
would be the hallmark symptom of
A. Gurgles
B. Pale, lifeless skin
C. Fainting and low blood pressure
D. Wheezes

10. A patient is admitted with a pneumothorax of the right lung from a motor ve-
hicle accident. During the extrication, it was noted that the systolic blood pres-
sure readings fell into the 80s. As the assigned nurse, you recognize the high
risk of ARDS in the days following the accident. The diagnosis of ARDS is most
readily made when
A. The patient’s pCO drops below 30 mm Hg.
2
B. The patient develops a metabolic acidosis.
C. The patient’s pO continues to drop despite increasing the FiO .
2 2
D. The patient complains of a headache and substernal chest pain.