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Which of the following is the main criteria required to qualify a patient for home oxygen therapy?

A patient is admitted to the ED of a local hospital in an acute onset of an asthma exacerbation; upon entering the room you note the following: HR = 136, RR = 22, moderate use of accessory muscles, hypertension and SpO2 90% on 3 L/NC. Upon your assessment you note faint expiratory wheezes bilaterally and as you palpate the patient’s pulse you note that it weakens in strength during the patient’s inspiratory phase. Which of the following is causing this finding?

When a patient presents in the ED with an acute asthma exacerbation, which of the following would you consider the worst variable in the patient assessment?

Asthma patients often experience increasing nighttime symtpoms, cough and frequent awakening. Which of the following is believed to be responsible?

Which of the following best describes a severe, persistent and refractory asthma exacerbation?

BONUS: According to the NAEPP guidelines, asthma evaluation should include: (select all that apply)

During an acute asthmatic exacerbation, when the patient becomes fatigued, how are the ABGs affected?

The sputum examination for a patient with extrinsic asthma often reveals:

Which of the following are the MAIN pathophysiological changes of asthma?I. bronchoconstrictionII. decreased airway restrictionIII. airway dilationIV. airway inflammation that leads to increase in mucus production

Martin’s measured PEFR value is 200 L/min. His personal best is 600 L/min. His measured PEFR places him in the _________zone.