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You are an RT in a large metropolitan hospital assigned to the MICU and are caring for a patient that is being mechanically ventilated via VC-AC. During second rounds, a nurse calls you to the bedside of the mechanically ventilated patient where you observe a sudden drop in the peak inspiratory pressure. Which of the following may explain this change? I. A defective exhalation valve II. a defective ETT III. high tidal volume setting IV.  frequent patient coughing

Gas leaving an unheated humidifier at 10° C (50 F) and 100% relative humidity (absolute humidity = 9.4 mg/L) would provide what relative humidity at body temperature?

You notice that a Yankauer suction catheter you are using is cracked. The best thing to do is    A.Continue to use it    B.Tape over the crack    C.Put lubricating jelly in the crack to seal it    D.Replace the catheter

Which of the following is TRUE about the use of ribavirin?1. It is used as an antiviral agent against respiratory syncytial virus.2. It is delivered via a Respirgard unit.3. Adverse effects include skin rash, conjunctivitis, and eyelid erythema.4. It can occlude endotracheal tube and ventilator exhalation valves.

A 20 year old female patient is admitted to the emergency department after she was pulled from a burning building. She is receiving oxygen by nonrebreathing mask and is breathing 30 times a minute with normal skin color and a heart rate of 145. SpO2 is 100%. A respiratory therapist should recommend:

Anti-cholinergic stimulation produces which of the following effects?1. Bronchodilation2. Mucosal drying3. Miosis4. Hypertension5. Salivation

56 year old in 4 hours post op myocardial revascularizationSv02 increased from 68% to 76%Sp02 remained unchangedHemodynamics: CVP 2 mmHg and PAP is 24/12As the RT for this patient you can conclude which of the following in most likely increasing?

While assessing a 33 year old male patient for implementation of an assess and treat respiratory care protocol, a respiratory therapist obtains the following information: HR                         100 RR                          22 SpO2                     93% breathing air Breath sounds are decreased bilaterally in bases and there is a decreased resonance to percussion bilaterally in bases. A chest radiograph indicates atelectasis in both bases. The therapist should:

All of the following statements about the use of a Lukens trap are true EXCEPT:    A.A vacuum source is needed.    B.All connections must be tight for it to work properly.    C.Either a suction catheter or a bronchoscope is also needed.    D.It is used to collect a sputum sample from a patient with a strong, productive cough.

After insertion of an esophageal-tracheal Combitube, you begin ventilation through the #1 pharyngeal airway connection. Your partner reports an absence of breath sounds and the presence of gurgling over the epigastrium. To provide effective ventilation, what should you do?