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CCSD Res 125 Week 3
Med Gas Week 3 Quiz Reveiw
Question | Answer |
---|---|
Retinopathy of prematurity (ROP) is a potentially serious management problem mainly in the care of whom? | Premature or low-birth-weight infants |
A patient is receiving O2 through a nonrebreathing mask set at 8 L/min. You notice that the mask’s reservoir bag collapses completely before the end of each) inspiration. Which of the following actions is appropriate in this case? | Increase the liter flow |
A patient on a 40% air entrainment mask is brought dinner. In order to allow the patient to have her meal and still provide the approximate FIO2 of oxygen which of the following would you choose? | Replace the mask with a 5 l/m nasal cannula during the meal |
A 45-year-old patient with congestive heart failure is receiving O2 through a 35% air-entrainment mask. With an O2 input of 6 L/min, what is the total output gas flow? A) 16 L/min B) 24 L/min C) 28 L/min D) 34 L/min | D) 34 L/min |
You are to deliver a bronchodilator medication to a COPD patient via a SVN at 8 L/M. The patient is a known CO2 retainer, which of the following would be the most appropriate precaution to use. | Use compressed air to deliver the breathing treatment |
Specific clinical objectives of oxygen (O2) therapy include which of the following? I. Decrease the symptoms caused by chronic hypoxemia II. Decrease the workload hypoxemia imposes on the heart and lungs III. Correct documented arterial hypoxemia | I. Decrease the symptoms caused by chronic hypoxemia II. Decrease the workload hypoxemia imposes on the heart and lungs III. Correct documented arterial hypoxemia |
According to the National Institute of Standards and Technology of the U.S. Department of Commerce, a gas cylinder that is color-coded brown and green should contain which of the following? A) O2–N2 mixture B) O2–CO2 mixture C) CO2 D) O2–He mixture | D) O2–He mixture |
What key property of He makes it useful as a therapeutic gas? A) low solubility B) chemical inertness C) low cost D) low density | D) low density |
The pressure of O2 or air in a bulk supply system is reduced to what standard working pressure? A) 10 psig B) 14 psig C) 25 psig D) 50 psig | D) 50 psig |
Which of the following would indicate a need for O2 therapy for an adult or child? I. SaO2 less than 90% II. PaCO2 greater than 45 mm Hg III. PaO2 less than 60 mm Hg | I. SaO2 less than 90% III. PaO2 less than 60 mm Hg |
When used to control the flow of medical gases to a patient, how is a Thorpe tube classified? | variable-orifice, constant-pressure flowmeter device |
A physician orders 40% O2 through an air-entrainment nebulizer for a patient with a minute volume of 12 L/min. What is the minimum nebulizer input flow required to ensure the prescribed FIO2? A) 8 L/min B) 10 L/min C) 12 L/min D) 14 L/min | B) 10 L/min |
What can properly applied O2 therapy decrease? I. Ventilatory demand II. Work of breathing III. Cardiac output | I. Ventilatory demand II. Work of breathing III. Cardiac output |
A COPD patient is being admitted to the ICU. The patient is a known CO2 retainer and is very lethargic with a pulse oximeter reading of 98% on a 50% air entrainment mask. What is the most appropriate course of action at this time. | Decrease the oxygen until the pulse oximeter saturation is between 88 - 92% |
Which of the following signs and symptoms are associated with the presence of hypoxemia? I. Tachypnea II. Tachycardia III. Cyanosis IV. Bradynea | I. Tachypnea II. Tachycardia III. Cyanosis |
You are planning a patient transport that will take about 1 1/2 hours. The patient requires manual ventilation with 10 L/min of O2. What is the minimum number of full E cylinders you would take with you? | 2 |
You are transporting a patient to the ICU with an E cylinder using a bourdon gauge as a flowmeter. The O2 line leading to the patient's mask is tangled and the flow to the patient is obstructed. What will the flow rate reading on the bourdon gauge do? | B) The gauge will read higher then the flow delivered |
What is the usual method of monitoring the remaining contents in a gas-filled cylinder? A) Weigh the cylinder. B) Read the pressure gauge. C) Compute the gas density. D) Read the cylinder label. | B) Read the pressure gauge. |
By what means is oxygen for medical use in a hospital most commonly produced? A) chemical decomposition B) electrolysis C) fractional distillation D) physical separation | C) fractional distillation |
You design an air-entrainment system that mixes air with O2 at a fixed ratio of 1:7 (1 L air to 7 L O2). About what O2 will this device provide? A) 33% B) 40% C) 80% D) 90% | D) 90% |
What device is used to reduce the pressure and control the flow of a compressed medical gas? A) Bourdon gauge B) regulator C) flowmeter D) reducing valve | B) regulator |
What are some key patient considerations in selecting O2 therapy equipment? I. Type of airway (natural or artificial) II. Severity and cause of the hypoxemia III. Age group (infant, child, adult) IV. Stability of the minute ventilation | I. Type of airway (natural or artificial) II. Severity and cause of the hypoxemia III. Age group (infant, child, adult) IV. Stability of the minute ventilation |
Which of the following statements is false about low-flow O2 delivery systems? A) The greater the patient’s inspiratory flow, the greater is the FIO2. B) All low-flow devices provide variable O2 concentrations. C) The O2 provided by a low-flow device i | A) The greater the patient’s inspiratory flow, the greater is the FIO2. |
Which of the following statements regarding O2 is false? A) It is only slightly soluble in water. B) It is odorless and transparent. C) It is flammable. D) It is heavier than air. | C) It is flammable. |
Low-flow O2 delivery systems used in respiratory care include all of the following except: A) nasal O2 cannula B) nasal O2 catheter. C) air-entrainment mask. D) transtracheal catheter. | C) air-entrainment mask. |