Question 1

The physician orders 28% oxygen to be administered to a COPD patient who is extremely short of breath. Which device will most accurately achieve this?

  1. Nasal cannula at 2 lpm
  2. Simple oxygen mask at 2 lpm
  3. Venturi mask at 28%
  4. Nonrebreathing mask at 6 lpm


Question 2

In which of the following conditions would you NOT recommend keeping the dependent (good) lung in the upright position for better oxygenation?

  1. Left lower lobe pneumonia
  2. Lung abscess
  3. Neonatal diaphragmatic hernia


Question 3

A patient with a tracheostomy tube is receiving humidity via a heated wick humidifier. What temperature should the heater be kept at in order to provide proper humidity to this patient?

  1. 25 to 27 degrees C
  2. 28 to 30 degrees C
  3. 45 to 47 degrees C
  4. 31 to 35 degrees C


Question 4

A patient is admitted to the hospital with the diagnosis of Haemophilus influlenze type B. The best way to prevent spread of this type of infection is to:

  1. Place patient in a room with negative airflow ventilation
  2. Wear gloves and gown when bathing the patient
  3. Wear an isolation mask when administrating aerosol therapy
  4. Use your own stethoscope when listening to breath sounds


Question 5

Which of the following statements concerning aerosol particles are needed to ensure lower airway and alveolar deposition?

    1. Particles of 2 to 5 microns are needed
    2. Patients should be instructed to forcefully exhale after inspiration
    3. Patients should be instructed to inhale slowly to inspiratory capacity


Question 6

Which of the following cleaning methods sterilize equipment?

  1. Pasteurization
  2. Ethylene oxide gas
  3. Steam autoclave
  4. Alcohol


Question 7

A nasal cannula at a liter flow of 3 L/min applied to a patient with a normal ventilatory pattern delivers an oxygen concentration of approximately:

  1. 24%
  2. 32%
  3. 36%
  4. 28%


Question 8

The physician has ordered and active 3-year-old to be placed on 40% oxygen. Which device would you recommend as being the most tolerable for this patient?

  1. Venturi mask
  2. Oxygen tent
  3. Nasal cannula
  4. Oxygen mask


Question 9

A RCP is ensuring that a patient is receiving 40% from a nebulizer with an aerosol face mask. When analyzed, the reading is 65%. The RCP should do which of the following?

  1. Open the air-entrainment port to a larger size
  2. Drain any condensation from the large bore tubing
  3. Analyze the O2 percentage near the patient
  4. Decrease flow from the flowmeter


Question 10

To protect yourself from contamination by a patient who coughs violently during endotracheal suctioning, which of the following should be done?

  1. Wear a mask
  2. Wear goggles
  3. Restrain the patient
  4. Wear gloves


Question 11

As a general rule, most hospitals require that infectious waste and body fluids be placed in which container?

  1. A yellow bag
  2. A red bag
  3. A white bag
  4. A clear bag


Question 12

Which of the following are true statements regarding needle and instrument precautions?

  1. Needles and sharp instruments should be placed into puncture-resistant containers
  2. Soiled needles and sharp instruments are considered infectious waste
  3. Recapping of needles is allowed in emergency situations


Question 13

A physician orders an ABG on a patient who is receiving O2 via a non-rebreather at 15 LPM. The RCP should record the O2 percentage on the ABG order form as:

  1. NRB at 100%
  2. NRB at 15 L/min
  3. NRB at 10 L/min
  4. PRB at 15 L/min


Question 14

Which of the following O2 administration devices is capable of supplying all of the patients inspired gas?

  1. Nasal cannula
  2. Venturi mask
  3. Simple mask
  4. Aerosol trach collar at 40%


Question 15

Which of the following are recommended guidelines to minimize the spread of infection by equipment or procedures?

  1. rain water collected in tubing back into the reservoir so it wont be left in the tubing
  2. Unused portions of medications should be discarded after 24 hours or when recommended
  3. Do not discard remaining water in a reservoir system before refilling
  4. Each patient should have his or her own equipment


Question 16

A COPD patient is experiencing dyspnea and a dry cough on a day when the temperature is 33 degrees C. The air can hold 36 mg/L of humidity, but the content is actually 28 mg/L. What is the relative humidity under these conditions?

  1. 53%
  2. 77%
  3. 84%
  4. 92%


Question 17

A patient who has just been extubated is exhibiting mild respiratory distress. The RCP is asked to administer aerosol therapy to the patient. Which of the following statements are true in this situation?

  1. The RCP needs to administer a hypertonic saline solution
  2. The RCP needs to administer aerosol at room temperature
  3. The RCP needs to add heat to the aerosol therapy to assist with coughing
  4. The RCP needs to administer a sterile water solution


Question 18

After setting up a partial rebreathing mask on a patient at a flow of 8 L/min, the reservoir bag collapses before the patient finishes inspiring. The respiratory care practitioner should do which of the following?

  1. Change to a nasal cannula at 6 L/min
  2. Decrease the flow
  3. Increase the flow
  4. Change to a non-rebreathing mask


Question 19

In order to help prevent Retinopathy of Prematurity, it is recommended that the PaO2 should be kept to what values during the first week of life?

  1. 30 to 40 mmHg
  2. 50 to 60 mmHg
  3. 70 to 80 mmHg
  4. 90 to 100 mmHg


Question 20

A RCP is teaching a patient who is to be discharged how to clean their small volume nebulizer at home. Important steps would include:

  1. Purchase Cidex 7 for home use and store in a well-ventilated area
  2. Wash equipment in detergent solution and rinse well
  3. Soak equipment in a vinegar solution of 1 part vinegar and 3 parts water
  4. Soak equipment tin a 10% ethyl alcohol solution
  5. Rinse equipment well after soaking and air dry


Question 21

A RCP is asked to disinfect a piece of respiratory equipment. Which of the following procedures would you choose to do this?

  1. Pasteurization for 10 minutes
  2. Immersion in Cidex for 10 minutes
  3. Complete immersion in a 70% ethyl alcohol solution
  4. Autoclave exposure at 100 degrees C for 20 minutes
Question 22

Which of the following are considered high flow devices?

  1. Venturi mask at 40%
  2. Partial rebreathing mask at 12 L/min
  3. Aerosol face mask at 60%
  4. Simple O2 mask at 6 L/min


Question 23

A nebulizer driven by oxygen at 8 liters per minute with an FiO2 of .40 will have a total flow between:

  1. 20-24 L/min
  2. 25-29 L/min
  3. 30-34 L/min
  4. 35-39 L/min


Question 24

Which of the following conditions conform to the standards set for a patient in tuberculosis (AFB) isolation?

  1. Private room with positive airflow ventilation
  2. Approved respirator mask
  3. Gloves required of all persons entering room
  4. Patient placed in a room with negative airflow capabilities


Question 25

It is recommended to use a filter small volume nebulizer when administering which of the following drugs?

  1. Ribovarian
  2. NebuPent
  3. Gentamicin
  4. Atrovent


Question 26

Your patient has a temperature of 98.6 degrees F (37 degrees C). To saturate the inhaled air to normal body conditions, how much absolute humidity must be provided?

  1. 37 degrees C
  2. 47 mmHg
  3. 760 mmHg
  4. 44 mg/L


Question 27

Considerations for proper and optimal use of a MDI include all of the following EXCEPT:

  1. Do not use a holding chamber for an adult asthmatic patient receiving a steroid
  2. Use a holding chamber with MDI for small children
  3. Use a holding chamber for adults with small tidal volumes
  4. Use a holding chamber for an elderly patient


Question 28

A patient is on a nasal cannula at 8 LPM; the patient is complaining of discomfort, this is primarily due to:

  1. Too high of a flow
  2. Confusion
  3. A clogged nasal prong
  4. Lethargy


Question 29

You receive a physician’s order to provide 28% oxygen via nebulizer to a spontaneously breathing patient with a peak inspiratory flow rate of 48 L/min. What flowmeter setting must be utilized in order to provide a total flow rate of gas delivery that is greater than the patient’s inspiratory flow rate?

  1. 2 L/min
  2. 3 L/min
  3. 4 L/min
  4. 5 L/min


Question 30

While administering O2 through a non-rebreather mask, a patient suddenly becomes more dyspneic and experiences respiratory distress. Which of the following actions are correct for the RCP to take?

  1. Change the non-rebreathing mask to a simple mask at 15 lpm
  2. Check the patient’s SpO2
  3. Increase the flow to the reservoir bag on the NRB mask
  4. Ensure that the mask fits snuggly and tight on the patent’s face


Question 31

While making O2 rounds you discover that the 6-inch reservoir tubing on a T-piece (Briggs) adapter setup has fallen off. What may result from this?

  1. Delivered FiO2 would decrease
  2. Delivered FiO2 would increase
  3. The patient would entrain room air during inspiration


Question 32

Aerosol output of an ultrasonic nebulizer is dependent upon:

  1. The speed of the blower motor
  2. The pressure in the couplant chamber
  3. The setting on the amplitude control
  4. The setting on the frequency control


Question 33

A patient receiving 38 mmHg per liter of gas from a nebulizer has a humidity deficit of which of the following?

  1. 6 mg/L
  2. 9 mg/l
  3. 12 mg/L
  4. 18 mg/L


Question 34

Which of the following humidity devices is capable of providing 100% of a patient’s body humidity?

  1. Heated passover membrane humidifier
  2. HME
  3. Heated wick humidifier
  4. Bubble humidifier


Question 35

A pneumatic nebulizer that delivers 70% oxygen would have a air to oxygen ratio of:

  1. 1:1
  2. .6:1
  3. 1.6:1
  4. 3:1


Question 36

Which piece of equipment would be needed to set up a tracheostomy collar on a patient?

  1. Heated aerosol generator
  2. Spinning disk nebulizer
  3. Bubble humidifier
  4. Pass-over humidifier


Question 37

Which of the following methods of disinfection are effective against TB, bacteria, viruses, and fungi?

  1. Cidex 7
  2. Iodine with 70% ethyl alcohol
  3. Pasteurization
  4. Vinegar solutions


Question 38

An H cylinder of oxygen was placed in service with 2000 psig and has been used for 5 hours at a flow rate of 10 L/min. It can be used for how many additional hours?

  1. 4
  2. 5
  3. 6
  4. 7


Question 39

When using mechanical ventilation with a heated humidifier, the large bore tubing circuit have a loop and drainage bag below the patient:

  1. To prevent condensate from entering the inspiratory sit
  2. To prevent back pressure from affecting the ventilator
  3. To prevent the humidifer from overheating
  4. To prevent condensate from entering the reservoir


Question 40

How long will an H cylinder take to empty running at 12 LPM with 1200 psig?

  1. 1 hour
  2. 2 hours
  3. 5 hours
  4. 10 hours


Question 41

After occluding a pre-filled disposable bubble humidifier by pinching the tubing, no whistling noise occurs. The correct action to take would be to:

  1. Check to see if there is a kinked tubing
  2. Replace the humidifier with a new one
  3. Check to see if there is a clogged nasal cannula
  4. Decrease the flow from the flowmeter


Question 42

A patient is receiving O2 via simple mask at 5 L/min. The patient’s SpO2 drops with attempts to decrease the O2 and it is decided that the patient should wear the mask until he becomes more stable. Which of the following should the RCP recommend?

  1. Change the patient to a nasal cannula at 3 L/min
  2. Add a bubble humidifier to the oxygen set-up
  3. Change the patient to a aerosol therapy set-up at 40%
  4. Add a cascade-type humidifier to the oxygen set-up


Question 43

Indications for warm humidity therapy include which of the following?

  1. Treat hypothermic patient
  2. Provide humidity to a patient with a tracheostomy tube in place
  3. Treat a pediatric patient with croup
  4. Treat an adult patient with acute laryngospasm


Question 44

How long will an E cylinder with 1000 psig last running at 5 L/min until it reaches 200 psig?

  1. 21 minutes
  2. 45 minutes
  3. 56 minutes
  4. 1 hour and 10 minutes


Question 45

Biologic indicators are used in decontamination procedures for which of the following reasons?

  1. They speed up the decontamination process
  2. They increase the concentration of liquid sterilants
  3. They indicate what organisms have contaminated the equipment
  4. They determine if the decontamination process was effective


Question 46

A air entrainment mask will deliver a higher FiO2 than expected if:

  1. The internal diameter of the jet is increased
  2. The external diameter of the jet is decreased
  3. The entrainment ports have been blocked
  4. The flow rate on the flowmeter has been increased


Question 47

A RCP is asked to obtain a cylinder of carbon dioxide and oxygen for a diagnostic test. To ensure the correct cylinder is chosen, the RCP should:

  1. Choose a cylinder that is gray and green
  2. Inform the supervisor that is mixture of gases does not exist
  3. Choose a cylinder that is blue and green
  4. Read the label on the cylinder


Question 48

A patient is receiving oxygen from an “E” cylinder at 4 L/min through a nasal cannula. The cylinder pressure is1900 psig. How long will the cylinder run until it is empty?

  1. 47 minutes
  2. 1.7 hours
  3. 2.2 hours
  4. 3.6 hours


Question 49

All of the following statements concerning a Bourdon gauge are true EXCEPT:

  1. It is not compensated for pressure
  2. Its flow reading is not affected when placed in a horizontal position
  3. It measures pressure directly and flow indirectly
  4. The gauge reads lower than the amount the patient actually receives


Question 50

Your patient has an endotracheal tube in place. Which of the following devices would be the least effective in reducing this patient’s humidity deficit?

  1. HME
  2. Unheated bubble-type humidifier
  3. Heated pass-over humidifier
  4. Heated wick humidifier
Question 51

Two flowmeters are needed to supply a FiO2 of 60%. What flow rate needs to set on the oxygen flowmeter, and what flow rate needs to be set on the air flowmeter do delivers 60% FiO2 and keep the total flow at 10 L/min?

  1. 2 L O2 and 8 L Air
  2. 5 L O2 and 5 L Air
  3. 1 L O2 and 9 L Air
  4. 3 L O2 and 7 L Air


Question 52

A patient is on a 30% Venturi mask at an O2 flow of 5 L/min. The total flow delivered by this device is which of the following?

  1. 36 L/min
  2. 45 L/min
  3. 54 L/min
  4. 60 L/min


Question 53

A patient has come to the ER with nasal trauma due to a burn. His eyes and nasal area are also very swollen. Which of the following devices would be appropriate to deliver O2 to this patient?

  1. Simple mask
  2. Face tent
  3. Nasal cannula
  4. Nasal trumpet


Question 54

While making 02 rounds you notice that a disposable bubble humidifier contains only 20 ml of sterile water. What is the appropriate action to take?

  1. Let it run until the humidifier is empty
  2. Refill it with fresh, sterile water
  3. Replace it with a new disposable humidifier
  4. Pour out the remaining water, rinse with tap water, and add fresh sterile water


Question 55

You set up a bubble humidifier and no bubbling occurs. What could be the cause of this?

  1. The humidifier jar is loose
  2. The delivery (capillary) tube is obstructed
  3. The flowmeter is set too high


Question 56

Which of the following oxygen administration devices would qualify as a “low-flow” oxygen system?

  1. Simple mask
  2. Nasal cannula
  3. Venturi mask
  4. Partial rebreathing mask


Question 57

A patient is set up on 40% flow-by, and during inspiration mist is not visible exiting the T-tube reservoir. What should the respiratory care practitioner recommend?

  1. Increase the nebulizer flow.
  2. Add water to the nebulizer
  3. Shorten the T-tube reservoir
  4. Decrease the nebulizer flow


Question 58

The E cylinder has a special oxygen connection. This connection is to ensure safety in the use of oxygen. This system is called:

  1. Diameter Index Safety System
  2. American Standard Connection System
  3. Pin Index Safety System
  4. American Standard Safety System


Question 59

Which of the following conditions would be standard requirements for a patient with localized herpes zoster (shingles)

  1. Gloves and handwashing
  2. A special respirator mask
  3. Gown
  4. Patient placed in a room with negative pressure ventilation


Question 60

A patient has been supported by a mechanical ventilator using a hygroscopic condenser humidifier (HME) for the last 3 days. Suctioning reveals an increase in the amount and tenacity of secretions. Which of the following actions are indicated?

  1. Increase the hygroscopic condenser humidifier temperature
  2. Switch the patient to a heated wick humidifier
  3. Switch the patient to continuous ultrasonic nebulization
  4. Reassess the patient’s secretions over the next 24 to 48 hours