RES 260 Management of Ventilation and Oxygenation
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| According to the FDA, high-frequency ventilation is any form of mechanical ventilation delivering rates higher than _____ breaths per minute. | show 🗑
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| With a compliance of 3.6 ml/cm H20 and an airway resistance of 42 cm H20/L/sec what would be an appropriate expiratory time? | show 🗑
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| Which of the following statements are true regarding extracorporeal life support (ECLS)? | show 🗑
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| show | Airway radius
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| Which of the following aspects is an advantage to using negative-pressure ventilation over positive-pressure ventilation? | show 🗑
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| show | PaO2 less than 50mm Hg with an FiO2 of 0.80 to 1.0 and CPAP of 10 to 12cm H2O,Marked retractions,Frequent apnea spells
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| show | 10.8 ml/kg
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| show | The ratio of physiologic deadspace to tidal volume.
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| show | Increased PaO2
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| show | FiO2.
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| Assuming an alveolar opening pressure of 23 cm H20, which of the following com¬binations of PIP and PEEP would achieve the desired compression pressure? | show 🗑
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| The respiratory care practitioner receives blood gas results on a ventilated infant. The PaCO2 is 48 mm Hg and previously it was 43 mm Hg. A proper ventilator change would be | show 🗑
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| show | PEEP
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| Which of the following are clinical signs of a failure to wean? | show 🗑
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| show | Mean airway pressure of 4.0 cm H2O,PIP of 20 cm H20, VT/Ti of 16 ml/kg/sec
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| show | NO can induce selective pulmonary vasodilation, max dose NO is 20(ppm),NO can combine with hemoglobin in the presence of oxygen to form methemoglobin(NO2). NO should not until FIO2 < 0.40 with a PEEP of 5 cm H2O
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| What mode of ventilation should be instituted if the physician requests an increase in the spontaneous tidal volume during SIMV? | show 🗑
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| show | increasing alveolar surface forces
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| An ABG obtained two hours ago showed a PaCO2 = 43 mm Hg. A recent ABG indicates the PaCO2 to be 49 cm Hg. Which of the following changes in ventilator settings would be reasonable for ventilation of an infant with these ABG changes? | show 🗑
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| Infant ventilator settings are FIO2 = 0.8, rate = 60 BPM, PIP = 30 cm H2O, and PEEP = 5 cm H2O in the SIMV mode. Assuming adequate ABGs, which parameter should be weaned first? | show 🗑
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| show | Provide adequate alveolar ventilation with minimal lung damage.
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| The main advantage in using volume-cycled ventilation with neonates is | show 🗑
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| show | Diaphragmatic paralysis
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| What is the usual range of Positive End-Expiratory Pressure (PEEP) settings used for mechanically ventilating newborn infants? | show 🗑
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| Which of the following findings are an indication for prophylactic administration of surfactant? | show 🗑
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| show | Significant blood loss
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| Which of the following available surfactants lacks surface-active proteins? | show 🗑
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| Which of the following newborn conditions would warrant chest compressions following a period of positive-pressure ventilation with 100% oxygen? | show 🗑
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| show | 63 minutes
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| Balloon septostomy is employed to improve blood mixing in which of the following congenital heart defects? | show 🗑
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| While managing a patient receiving HFOV the respiratory care practitioner notices that the PaO2 is decreased. This can be corrected by all of the following except | show 🗑
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| Which of the following tests may aid in the diagnosis of persistent pulmonary hypertension of the newborn? | show 🗑
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| show | 3 to 5 cm H2O
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| On examination of a chest radiograph, you note an air pocket on the right lateral heart border. This indicates a possible | show 🗑
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| A problem with an umbilical artery catheter is that | show 🗑
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| A safe range of PaO2 for neonates is ____________mm Hg. | show 🗑
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| Dense cystic patches arranged in generalized patterns that gradually increase in size and number describe which stage of BPD? | show 🗑
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| show | air trapping.
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| When using an infant ventilator, which two parameters most directly affect tidal volume? | show 🗑
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| show | 211 ml
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| show | Increase the Delta P
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| The major advantage to HFV is | show 🗑
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| show | hypertension
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| show | Umbilical artery,Radial artery,Capillary
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| show | raising the neonate's arterial pressure
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| As you examine a patient's chest x-ray, you note the tip of the endotracheal tube to be near the carina, what should you do? | show 🗑
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| show | Concentration difference, Lipid solubility of the drug,Degree of ionization,Molecular drug weight
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| show | There is a proportionately greater increase in extracellular fluid (ECF) as gestation increases compared to intracellular fluid (ICF).
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| show | peripheral vasoconstriction
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| Which of the following are indicative of TTN? | show 🗑
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