New Quiz 09 Nov Welcome to your Respiratory Therapy Name: Email: [Which of the following is the body’s main means of heat loss at high environmental temperatures?] Evaporation Conduction Convection Radiation None . [In which period of fetal lung development is the diaphragm completely developed] Pseudoglandular Canalicular Embryonic Saccular None . [A patient admitted to the Emergency Department is suspected of having suffered airway injury due to inhalation of toxic fumes. To determine the location and extent of potential injury you would recommend which of the following procedures?] V/Q scan chest X-ray blood gas analysis bronchoscopy None . [COPD pt with OSA] Have worse noctural desaturation Often have nocturnal hypoventilation due to impaired ventilatory mechanism Higher rate of mortality all of the above A and C None . [Which of the following cannot easily be configured to be a fixed performance device at low FiO2’s?] Nasal cannula Large volume cold neb Air entrainment mask/ventimask Simple mask Nasal cannula and Simple mask None . [Following prescribed daily quality control procedures in your blood gas lab, you run a control solution through the blood gas analyzer. You note that two successively PCO2 readings fall outside the acceptable range. Which of the following actions is appropriate at this time?] Report results after compensating for the deviation Replace the PCO2 electrode and recalibrate the analyzer Analyze another control solution for comparison Perform a two-point calibration and rerun the control None . [Which of the following is/are the major characteristic of increased alveolar dead=space] Minute ventilation out of proportion to PaCO2 Decreased WOB Hyperoxemia FiO2 >0.50 and PaO2 <50 mmHg A and C only None . [What is the name of the structure that allows mixing of blood between the atria] Foramen ovale External iliac artery Ductus venosus Ductus arteriosus None . [To manually validate the accuracy of a ventilator's volume delivery setting during its quality assurance test, you would:] compare the volume setting of the ventilator to its expired volume display compare the volume setting to that measured by a calibrated external flowmeter compare the volume setting to that measured by a calibrated external volumeter compare the ventilator's expelled volume to that collected via the expiratory circuit None . [Starling Law of Capillaries state that] The volume of fluid and solutes reabsorbed is normally nearly as large as the volume filtered The volume of fluid and solutes reabsorbed is normally larger than the volume filtered The volume of fluid and solutes filtered at the arterial end is less than the volume of fluid and solutes filtered at the venous end The pressure of the fluids and solutes filtered is normally less than the pressure reabsorbed. None . [Your are in CMV PC mode and the I:E ratio is set to maintain a constant I:E ratio of 1:1. The rate is set to 16 and the inspiratory flow is returning to baseline. You decrease rate to 12 breath which of the following will occur] MV increase and mean airway pressure increases Vt decreases and mean airway pressure is unchanged Vt decreases and mean airway pressure decreases MV decreases and mean airway pressure is unchanged None . [Which of the following tests would you recommend to assess an outpatient's compliance with a smoking cessation program?] exhaled carbon dioxide forced expiratory volume exhaled carbon monoxide diffusing capacity None . [Severe facial trauma is an absolute contradiction to] Insertion of nasal pharyngeal airway nsertion of nasogastric tube Suctioning oropharynx A and B A, B, and C None . [The main pressure promoting reabsorption of fluid into the capillaries is the:]  Osmotic pressure of interstitial fluid  Hydrostatic pressure of the interstitial fluid  Osmotic pressure of the capillary  Hydrostatic pressure of capillary  Oncotic pressure of interstitial fluid None . [What is the significance of an infant with RDS demonstrating a grunting during exhaalation] An attempt to overcome increased airway resistance Resolution of the RDS An effort to establish/maintain FRC Impending death      None . [A doctor asks your advice on the best way for his home care asthma patient to assess changes in her airway tone over time. You would recommend:] peak expiratory flow rate monitoring methacholine challenge (provocation) test carbon monoxide diffusing capacity (DLco) pre/post bronchodilator spirometry None . [Which of the following is true about FVC] Close to VC Reduced with obstructive lung disease FVC is the volume of gas exhaled from total lung capacity to RV as forcefully and rapidly as the patient is able. In normal individuals, it should be the same as the volume measured during a forced All of the above None . [A doctor asks you to provide serial measures of the respiratory muscle strength of a patient with a progressive acute neuromuscular disorder. Which of the following measures would you select to provide the needed information?] forced vital capacity arterial blood gas results rapid shallow breathing index maximum voluntary ventilation None . [Clinical manifestations of obstructive sleep apnea can include all but one of the following:] Confusional awakenings Oliguria Night sweats High blood pressure None . [Edrophonium is used for ___ and you would expect to see ___] Myasthenia gravis; some recovery of muscle function Myasthenia gravis; worsening of muscle function GB. some recovery; some recovery of muscle function GB; worsening; worsening of muscle function None . Time's up
