lab quiz final 121

Match the items. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a. COPD patients with chronic CO2 retention may experience this when exposed to too much O2. b. Patient on 100% O2 and nitrogen is "washed out" causing collapse of the alveolus c. High oxygen levels that causes damage to capillary endothelium and causes low PaO2 levels d. Abnormal eye condition that can occur when giving too much O2 to an infant e. No smoking when using O2 because O2 can accelerate this....

1.Fire hazard- e 2.Absorption atelectasis-b 3.Hyperoxic Acute Lung Injury-c 4.Retinopathy of Prematurity-d 5.Depression of Ventilation-a

Match the following colors used to identify medical gas cylinders: The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a.Gray b.Brown/Green c.Teal/Black d.Brown e.Blue f.Yellow g.Green h.Black

1.Oxygen/O2 -G (green) 2.Nitrogen/N-c (teal/black) 3.Helium/He -d (brown) 4.Medical Air- f (yellow) 5.Nitrous Oxide/N2O 6.Nitric Oxide/NO- e (blue) 7.Heliox/He-O2 b (brown/green) 8.Carbon dioxide/CO2-a (gray)

Match the items. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a.Provides approximate FiO2 levels of 0.24-0.44 b.Provides approximate FiO2 levels of 0.30-0.50 c.Provides approximate FiO2 levels of 0.40-0.70 d. Provides approximate FiO2 levels of 0.60-0.80

1.Simple mask -b. 0.30-0.50 2.PRB mask - c 0.40-0.70 3.NRB mask- 0.60-0.80 4.Nasal cannula -a ( 0.24-0.44)

Which of the following is the approximate FiO2% for a nasal cannula running at 3L/min?

32% or .32 goes up by 4 starting a 1=.24 2=.28 etc

What is the air-to-O2 entrainment ratio for delivering 40% oxygen through a Venturi-mask?

3:1

A respiratory therapist has to transport a patient via ambulance from Greenville to Charleston. The patient is being manually ventilated with an oxygen flow set a 12 L/m using an H cylinder. The cylinder gauge reads 2000 psi. How long will the cylinder last?

6.5 hours

Safety systems used at station outlets include which of the following?

A.S.S.S. P.I.S.S. D.I.S.S. Quick-connect ans: iii and IV

Which gas is used as a standard calibration gas for blood gas analyzers, certain transcutaneous monitors, and capnographs?

Carbon dioxide

A respiratory therapist sets up an "E" size oxygen cylinder to transport a patient. When the cylinder is turned on, a loud whistling noise is heard from the cylinder. The most appropriate action is which of the following?

Check the plastic washer

The most commonly used flowmeter in respiratory care is which of the following?

Compensated Thorpe flowmete

When a closed Thorpe tube flowmeter is attached to a 50-psi oxygen source, the indicator float jumps up then quickly falls to 0. This flowmeter is which of the following?

Compensated for back-pressure

Match the following tank factors to the correct size gas cylinder:

E- 0.28 H-3.14 G-2.41

Absorption atelectasis and O2 toxicity may occur with which of the following?

FiO2% > 50%

Which of the following methods produces large quantities of liquid O2 that is stored in large cylinders?

Fractional Distillation

Which gas is 2nd lightest, has a density of 0.1785 g/L and is mixed with O2 to treat severe airway obstruction?

Heliox (He/O2)

Why are medical gas cylinders color coded? I. For easy identification of medical gases II. To avoid using the wrong medical gas III. To differentiate between safety systems

I and II only For easy identification of medical gases To avoid using the wrong medical gas

Which of the following are considered low-flow oxygen delivery systems? I. Nasal cannula II. Nonrebreathing mask III. Venturi mas IV. Reservoir cannula

I nasal cannula II nonrebreathing mask IV resvior cannula

A patient is receiving oxygen via a nasal cannula at 4 L/m. The patient's respiratory rate and tidal volume have decreased significantly. The FiO2 will do which of the following?

Increase

is a gas that is a powerful pulmonary vasodilator used to treat persistent pulmonary hypertension (which causes hypoxic respiratory failure) of the newborn.

Inhaled nitric oxide (iNO) nitric oxide

The substance that can exist as either a gas or liquid, is nonflammable but supports combustion, has a specific gravity of 1 (as a gas), and is made up of 78% nitrogen is _

Medical Air

You are asked to administer a helium-oxygen mixture to a post-extubation patient who presents with stridor and is in acute respiratory distress. Which of the following devices is the most appropriate method of delivering this form of medical gas therapy?

NRB

Which of the following method produces smaller quantities of O2 mostly used in homes?

Physical Separation

What agency requires that compressed gases used for medical purposes meet certain minimum requirements for purity?

The American National Standard/Compressed Gas Association

A respiratory therapist is having trouble attaching a regulator to an E cylinder. One possible cause might be:

The pin positions of the regulator are not the same as those on the cylinder.

Before using an H cylinder of oxygen, a respiratory therapist opens it, and gas at high pressure comes out of the cylinder outlet. Which of the following statement is true?

This action clears debris from the connector.

Looking at the previous question that asks about duration of flow for an H-cylinder that has 2000 psi and is running at 12 L/min. Will the tank last if the patient is being transported from Greenville, SC to Charleston, SC?

Yes

Which of the following devices is/are considered low-flow (variable performance) oxygen delivery system(s)? I. Air entrainment mask II. PRB mask III. Nasal cannula IV. Transtracheal catheter

a .I, II, III b. II, III, IV c. I, III, IV d .I, II, III, IV

All of the following are considered disadvantages of using a mask EXCEPT? I. Provides high FiO2 levels II. Aspiration risk III. Patient cannot eat IV. Quick and easy to apply

a. I, II, III b. II, III, IV c. I and IV only d. II and III only

How many liters/minute of air is being entrained for a 50% air-entrainment mask running at 10 L/min?

a.16.7 L/min b.26.7 L/min c.1.67 L/min d.2.67 L/min

Which of the following is the correct total flow for a high flow device set to deliver 0.50 FiO2 running at 10 L/min?

a.26.7 L/min b.35 L/min c.40 L/min d.60 L/min

Which of the following devices is/are considered fixed-performance oxygen delivery system(s)? I. Simple mask II. Nasal Catheter III. Air entrainment mask IV. Partial rebreathng mask

a.I and II only b.I, II, and III only c.III. only d.I, II, III, and IV

Which of the following is/are considered an interface(s) for high flow therapy device? I. LVN II. T-collar III. Face tent IV. Nasal cannula

a.I and III only b.II and III only c.I, III, and IV d.II, III, and IV

A PRB mask has one valve on the mask and also has a reservoir bag.

false

All COPD patients have CO2 retention.

false

All masks (simple, PRB, and NRB) should be humidified to prevent mucosal drying.

false

Match the colors of the following medical gases:

green -oxygen yellow- medical air Helox-brown/green

Which of the following make an oxygen device a low-flow (variable) system? I. Does not meet the patient's inspiratory flow demands II. Does meet the inspiratory flow demands of patient III. FiO2% is variable because patient entrains room air IV. Fixed FiO2% because patient's inspiratory needs are met

i. does not meet the patients inspiratory flow demands III. FiO2 is variable because patient entrains room air

As you walk into a patient's room you hear a loud whistling sound. The patient is on 4 liter nasal cannula hooked up to a bubble humidifier. Which of the following could cause the loud whistling sound? I. Nothing, the whistling sound is normal II. Kink in the cannula tubing III. Nasal cannula came off of patient and is lying in the bed IV. Cannula tubing is caught in the bedrail

iii. Nasal cannula came off of the patient and is lying in the bed IV. cannula tubing is caught in the bedrail

What is the best action to take when you find a nonrebreather mask bag deflated more than 2/3 while on a patient?

increase the flow

According to the AARC Clinical Guidelines for Oxygen Therapy for Adults, how often should oxygen delivery systems be checked?

once per day

The nonflammable gas or liquid that supports combustion, has a critical temperature of -118.4 C, and is used to treat hypoxemia is

oxygen

The purpose of cylinder safety systems is to prevent the interchange of regulating equipment to avert error and harm to patients.

true