A respiratory therapist intends to change the I:E during VC ventilation.  Flow is constant during inspiration.  Which of the following can be adjusted to accomplish this change? volumemandatory ratesensitivity inspiratory flow1.yesyesyesno2.yesyesnoyes3.yesnoyesyes4.noyesyesyes

During a bedside interview of a patient with COPD, a respiratory therapist asks the patient how he handles the limitations to his daily activities.  The therapist is most likely assessing the patient:

A 65-year-old patient with congestive heart failure is receiving 10 cm H2O CPAP and an FIO2 of 0.60.  Arterial blood gas analysis results are below:pH 7.41PCO2  40 torrPO2 150 torrHCO3- 25 mEq/LBE   0 mEq/LWhich of the following should a respiratory therapist conclude?

A patient’s blood pressure is monitored by an appropriately positioned arterial catheter transducer.  The transducer is mounted on an IV pole that is not attached to the bed.  The bed is lowered to permit routine patient care.  How will this affect the measured blood pressure? . Systolic Diastolic 1. Increased Increased 2. Increased Decreased 3. Decreased Decreased 4. Decreased Increased  

A 59-year-old patient with COPD is seen in the pulmonary clinic for a routine appointment.  The analysis results of an arterial blood gas sample drawn while the patient is breathing air are below:pH               7.41PaCO2         55 torrPaO2            41 torrHCO3-         35 mEq/LBE                +8 mEq/LWhich of the following is the most appropriate NEXT step?

A patient who is a victim of a residential fire is brought to the ED and is receiving oxygen by nasal cannula 8 L/min.  The SpO2 is 100%.  Arterial blood gas analysis results are as follows:pH 7.30PCO2  30 torrPO2200 torrHCO3-15 mEq/LBE-10 mEq/LSaO2 (calc) 99%SaO2 (meas) 78%CO2Hb 21%Hb 14.5 g/dLA respiratory therapist should recommend

Moderate stridor with retractions is noted immediately after extubation of a patient.  A respiratory therapist should recommend

A respiratory therapist is assisting a physician perform a tracheotomy on a patient who is receiving PC ventilation.  The therapist observes increased heart rate, decreased exhaled tidal volume, and distant breath sounds over the right chest.  This information is most indicative of a

A patient presents with a 3-month history of episodic shortness of breath with exercise.  A chest radiograph, ECG, and echocardiogram are normal. The following spirometry results are obtained:       Pre-bronchodilator     Post-bronchodilatorFEV1                    2.9 L               3.1 LFVC                    3.2 L               3.4 L Which of the following should a respiratory therapist recommend NEXT?

A 21-year-old man arrives in the ED after rescue from a house fire.  Physical examination reveals burns on the upper chest and face, and marked edema of the face and oropharynx.  Analysis results of an arterial blood gas sample obtained while the patient was breathing air are as follows: pH             7.55PCO2          26 torrPO2        105 torrHCO3-          23 mEq/LBE          +2 mEq/L Which of the following should a respiratory therapist recommend?