The ________ is the part of a cell that contains DNA.
Fill in the blank(s) with the appropriate word(s).
nucleus
The nucleus of a cell contains chromosomes, which are thread-like structures made up of DNA.
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The therapist is using an O2-powered breathing device that is being manually triggered. Each time the therapist depresses the actuator, he continues to depress the actuator. What effect will maintaining pressure on the actuator have on the inspiratory time?
A. It will have no influence on the inspiratory time. B. It will prolong the inspiratory time because inspiration will be maintained as long as the actuator is depressed. C. Inspiration will automatically be terminated after 3 seconds despite depressing the actuator continuously. D. Maintaining pressure on the actuator will cause multiple inspirations to be triggered.
Based on clinical data, which of the following therapeutic interventions would be most beneficial for COPD patients who develop respiratory failure after extubation?
A. NPPV B. spontaneous breathing trial C. O2 therapy with a non-rebreather mask D. reintubation and invasive positive-pressure ventilation