Question 1

Which of the following is false about home O2 therapy?

Accepted Answer

A)  A PRN (as needed) prescription for O2 is acceptable. 
B)  Hypoxemia can be confirmed by arterial blood gas (ABG) or oximetry. 
C)  A PaO2 at or below 55 mm Hg documents need. 
D)  An SaO2 below 88% is clinical evidence of need. 
A)  A PRN (as needed) prescription for O2 is acceptable. 
B)  Hypoxemia can be confirmed by arterial blood gas (ABG) or oximetry. 
C)  A PaO2 at or below 55 mm Hg documents need. 
D)  An SaO2 below 88% is clinical evidence of need.

Question 2

Which of the following would you consider recommending for a home care patient receiving nasal CPAP who complains of severe nasal dryness?
1) Room vaporizer
2) Heat and moisture exchanger (HME)
3) In-line humidifier
4) Saline nasal spray

Accepted Answer

A) 2 and 4 only 
B) 1, 3, and 4 only 
C) 1, 2 and 3 only 
D) 1, 2, 3, and 4 
A) 2 and 4 only 
B) 1, 3, and 4 only 
C) 1, 2 and 3 only 
D) 1, 2, 3, and 4

Question 3

An ambulatory home O2 therapy patient complains that the portable liquid (at 3 L/min) does not last long enough for a visit with the grandchildren. What might you recommend to overcome this limitation?

Accepted Answer

A)  Decrease the flow to 2 L/min. 
B)  Put a couple of E cylinders in her car. 
C)  Use an O2-conserving device. 
D)  Put the large liquid unit in the car. 
A)  Decrease the flow to 2 L/min. 
B)  Put a couple of E cylinders in her car. 
C)  Use an O2-conserving device. 
D)  Put the large liquid unit in the car.

Question 4

Characteristics common to most positive pressure ventilation designed for use in the home setting include which of the following?
1) Volume cycling to end inspiration
2) High-pressure pneumatic power source
3) Backup internal power supply
4) Rotary piston drive mechanism

Accepted Answer

A) 1 and 3 only 
B) 1, 2, and 3 only 
C) 2 and 4 only 
D) 1, 3, and 4 only 
A) 1 and 3 only 
B) 1, 2, and 3 only 
C) 2 and 4 only 
D) 1, 3, and 4 only

Question 5

After fitting a home care patient with a CPAP nasal mask, you set the prescribed pressure and turn on the flow generator. At this point, the mask pressure reading is 0 cm H2O. What is the most likely cause of this problem?

Accepted Answer

A)  Patient asynchrony 
B)  Too high a flow 
C)  Jammed CPAP valve 
D)  Large system leak 
A)  Patient asynchrony 
B)  Too high a flow 
C)  Jammed CPAP valve 
D)  Large system leak

Question 6

Which of the following are advantages of pressure-limited ventilators used in alternative settings except?
1) Are responsive to changing flow demands.
2) Can deliver higher volumes and pressures.
3) Are lightweight and less expensive.
4) Can compensate for small leaks.

Accepted Answer

A) 1 and 3 only 
B) 1, 2, and 4 only 
C) 2 and 4 only 
D) 2, 3, and 4 only 
A) 1 and 3 only 
B) 1, 2, and 4 only 
C) 2 and 4 only 
D) 2, 3, and 4 only

Question 7

Once the need for long-term home O2 therapy has been documented, why should repeated laboratory assessment (ABG or oximetry) be conducted?
1) To follow the course of the disease
2) To assess changes in clinical status
3) To facilitate changes in the prescription

Accepted Answer

A) 1 and 2 only 
B) 2 and 3 only 
C) 1 and 3 only 
D) 1, 2, and 3 
A) 1 and 2 only 
B) 2 and 3 only 
C) 1 and 3 only 
D) 1, 2, and 3

Question 8

What is the purpose of the small refillable liquid O2 tank that comes with many stationary home liquid O2 reservoirs?

Accepted Answer

A)  To provide O2 to ambulatory patients outside the home 
B)  To serve as a backup should the primary reservoir fail 
C)  To collect and save gas vented by the primary reservoir 
D)  To provide higher flows for patients requiring high FiO2 values 
A)  To provide O2 to ambulatory patients outside the home 
B)  To serve as a backup should the primary reservoir fail 
C)  To collect and save gas vented by the primary reservoir 
D)  To provide higher flows for patients requiring high FiO2 values

Question 9

Providing necessary home care equipment and supplies and handling any emergency situations involving delivery or equipment operation is the responsibility of which member of the respiratory home care team?

Accepted Answer

A)  Social services representative 
B)  Respiratory care practitioner 
C)  Nurse 
D)  Durable medical equipment (DM
E)  company representative 
A)  Social services representative 
B)  Respiratory care practitioner 
C)  Nurse 
D)  Durable medical equipment (DM
E)  company representative

Question 10

At 3 to 5 L/min output, a typical molecular sieve O2 concentrator provides O2 concentrations at what level?

Accepted Answer

A)  65% to 78% 
B)  78% to 85% 
C)  85% to 93% 
D)  Greater than 93% 
A)  65% to 78% 
B)  78% to 85% 
C)  85% to 93% 
D)  Greater than 93%

Question 11

What is the most common O2 delivery system for long-term care?

Accepted Answer

A)  Simple mask 
B)  Entrainment mask 
C)  Transtracheal catheter 
D)  Nasal cannula 
A)  Simple mask 
B)  Entrainment mask 
C)  Transtracheal catheter 
D)  Nasal cannula

Question 12

Advantages of O2 concentrators for home O2 therapy include which of the following?
1) Operate at safe low pressures.
2) Are cost-effective for continuous use.
3) Do not waste or lose any O2.
4) Can power most pneumatic equipment.

Accepted Answer

A) 1 and 3 only 
B) 1, 2, and 3 only 
C) 3 and 4 only 
D) 2, 3, and 4 only 
A) 1 and 3 only 
B) 1, 2, and 3 only 
C) 3 and 4 only 
D) 2, 3, and 4 only

Question 13

At normal liquid cylinder operating pressures, 1 lb of stored liquid O2 equals approximately how many liters of gaseous O2?

Accepted Answer

A)  860.00 
B)  344.00 
C)  22.80 
D)  7.48 
A)  860.00 
B)  344.00 
C)  22.80 
D)  7.48

Question 14

In addition to a ventilator, which of the following equipment or supplies would you recommend for a home care patient receiving long-term invasive positive pressure ventilation?
1) Self-inflating bag-valve-mask
2) Portable suction system
3) Portable DC defibrillator
4) Tracheal tubes and care kits
5) Disposable circuits and catheters

Accepted Answer

A) 2, 3, 4, and 5 only 
B) 1, 3, and 4 only 
C) 1, 2, 4, and 5 only 
D) 1, 2, 3, 4, and 5 
A) 2, 3, 4, and 5 only 
B) 1, 3, and 4 only 
C) 1, 2, 4, and 5 only 
D) 1, 2, 3, 4, and 5

Question 15

Durable medical equipment (DME) companies usually provide which of the following respiratory home care services?
1) Third-party insurance processing
2) Most respiratory care modalities
3) 24-hr/7-days-a-week service
4) Home instruction and follow-up

Accepted Answer

A) 2 and 4 only 
B) 1, 2, and 3 only 
C) 3 and 4 only 
D) 1, 2, 3, and 4 
A) 2 and 4 only 
B) 1, 2, and 3 only 
C) 3 and 4 only 
D) 1, 2, 3, and 4

Question 16

Which of the following negative pressure ventilation systems require a separate negative pressure generator?
1) Body wrap
2) Iron lung
3) Chest cuirass

Accepted Answer

A) 1 and 2 only 
B) 2 and 3 only 
C) 1 and 3 only 
D) 1, 2, and 3 
A) 1 and 2 only 
B) 2 and 3 only 
C) 1 and 3 only 
D) 1, 2, and 3

Question 17

CMS regulations require that prescriptions for home O2 therapy be based on:

Accepted Answer

A)  documented hypoxemia. 
B)  documented symptoms. 
C)  written diagnosis. 
D)  presence of cyanosis. 
A)  documented hypoxemia. 
B)  documented symptoms. 
C)  written diagnosis. 
D)  presence of cyanosis.

Question 18

Under which conditions is the home the best setting for providing subacute care?
1) When the patient is unable to do self-care
2) When adequate caregiver support is unavailable
3) When the patient's physician cannot make home visits

Accepted Answer

A) 2 and 3 only 
B) 1 and 2 only 
C) 3 only 
D) 1, 2, and 3 
A) 2 and 3 only 
B) 1 and 2 only 
C) 3 only 
D) 1, 2, and 3

Question 19

What equipment function should lay caregivers of home mechanical ventilation assess regularly?
1) Cleanliness and function of bag-valve-mask
2) Internal and external battery power levels
3) Cleanliness of filters and alarm functions
4) Accuracy of ventilator tidal volume (VT) output

Accepted Answer

A) 1, 2, and 3 only 
B) 2 and 4 only 
C) 1, 2, 3, and 4 
D) 3 and 4 only 
A) 1, 2, and 3 only 
B) 2 and 4 only 
C) 1, 2, 3, and 4 
D) 3 and 4 only

Question 20

When the flow-metering device of a home liquid O2 system is turned on, O2 leaves the container through a vaporizing coil, where it is heated by exposure to which of the following?

Accepted Answer

A)  Hot water 
B)  Ambient air 
C)  Electrical energy 
D)  Ultrasound 
A)  Hot water 
B)  Ambient air 
C)  Electrical energy 
D)  Ultrasound

Exam 56: Respiratory Care in Alternative Settings

Which of the following is false about home O2 therapy?

Which of the following would you consider recommending for a home care patient receiving nasal CPAP who complains of severe nasal dryness? 1) Room vaporizer 2) Heat and moisture exchanger (HME) 3) In-line humidifier 4) Saline nasal spray

An ambulatory home O2 therapy patient complains that the portable liquid (at 3 L/min) does not last long enough for a visit with the grandchildren. What might you recommend to overcome this limitation?

Characteristics common to most positive pressure ventilation designed for use in the home setting include which of the following? 1) Volume cycling to end inspiration 2) High-pressure pneumatic power source 3) Backup internal power supply 4) Rotary piston drive mechanism

After fitting a home care patient with a CPAP nasal mask, you set the prescribed pressure and turn on the flow generator. At this point, the mask pressure reading is 0 cm H2O. What is the most likely cause of this problem?

Which of the following are advantages of pressure-limited ventilators used in alternative settings except? 1) Are responsive to changing flow demands. 2) Can deliver higher volumes and pressures. 3) Are lightweight and less expensive. 4) Can compensate for small leaks.

Once the need for long-term home O2 therapy has been documented, why should repeated laboratory assessment (ABG or oximetry) be conducted? 1) To follow the course of the disease 2) To assess changes in clinical status 3) To facilitate changes in the prescription

What is the purpose of the small refillable liquid O2 tank that comes with many stationary home liquid O2 reservoirs?

Providing necessary home care equipment and supplies and handling any emergency situations involving delivery or equipment operation is the responsibility of which member of the respiratory home care team?

At 3 to 5 L/min output, a typical molecular sieve O2 concentrator provides O2 concentrations at what level?

What is the most common O2 delivery system for long-term care?

Advantages of O2 concentrators for home O2 therapy include which of the following? 1) Operate at safe low pressures. 2) Are cost-effective for continuous use. 3) Do not waste or lose any O2. 4) Can power most pneumatic equipment.

At normal liquid cylinder operating pressures, 1 lb of stored liquid O2 equals approximately how many liters of gaseous O2?

Durable medical equipment (DME) companies usually provide which of the following respiratory home care services? 1) Third-party insurance processing 2) Most respiratory care modalities 3) 24-hr/7-days-a-week service 4) Home instruction and follow-up

Which of the following negative pressure ventilation systems require a separate negative pressure generator? 1) Body wrap 2) Iron lung 3) Chest cuirass

CMS regulations require that prescriptions for home O2 therapy be based on:

Under which conditions is the home the best setting for providing subacute care? 1) When the patient is unable to do self-care 2) When adequate caregiver support is unavailable 3) When the patient's physician cannot make home visits

What equipment function should lay caregivers of home mechanical ventilation assess regularly? 1) Cleanliness and function of bag-valve-mask 2) Internal and external battery power levels 3) Cleanliness of filters and alarm functions 4) Accuracy of ventilator tidal volume (VT) output

When the flow-metering device of a home liquid O2 system is turned on, O2 leaves the container through a vaporizing coil, where it is heated by exposure to which of the following?

History of Respiratory Care

Delivering Evidence-Based Respiratory Care

Quality, Patient Safety, and Communication, and Recordkeeping

Principles of Infection Prevention and Control

Ethical and Legal Implications of Practice

Physical Principles of Respiratory Care

E-Medicine in Respiratory Care

Fundamentals of Respiratory Care Research

The Respiratory System

The Cardiovascular System

Ventilation

Gas Exchange and Transport

Solutions, Body Fluids, and Electrolytes

Acid-Base Balance

Regulation of Breathing

Bedside Assessment of the Patient

Interpreting Clinical and Laboratory Data

Interpreting the Electrocardiogram

Analysis and Monitoring of Gas Exchange

Pulmonary Function Testing

Review of Thoracic Imaging

Flexible Bronchoscopy and the Respiratory Therapist

Nutrition Assessment

Pulmonary Infections

Obstructive Lung Disease: Chronic Obstructive Pulmonary Disease Copd, Asthma, and Related Diseases

Interstitial Lung Disease

Pleural Diseases

Pulmonary Vascular Disease

Acute Respiratory Distress Syndrome

Trauma, Burns and Near Drowning

Lung Cancer

Neuromuscular and Other Diseases of the Chest Wall

Disorders of Sleep

Neonatal and Pediatric Respiratory Disorders

Airway Pharmacology

Airway Management

Emergency Cardiovascular Life Support

Humidity and Bland Aerosol Therapy

Aerosol Drug Therapy

Storage and Delivery of Medical Gases

Medical Gas Therapy

Lung Expansion Therapy

Airway Clearance Therapy Act

Respiratory Failure and the Need for Ventilatory Support

Mechanical Ventilators

Physiology of Ventilatory Support

Patient Ventilator Interaction

Initiating and Adjusting Invasive Ventilatory Support

Noninvasive Ventilation

Extracorporeal Life Support Ecls

Monitoring the Patient in the Intensive Care Unit

Discontinuing Ventilatory Support

Neonatal and Pediatric Respiratory Care

Patient Education and Health Promotion

Cardiopulmonary Rehabilitation

Filters

Which of the following is false about home O₂ therapy?

An ambulatory home O₂ therapy patient complains that the portable liquid (at 3 L/min) does not last long enough for a visit with the grandchildren. What might you recommend to overcome this limitation?

After fitting a home care patient with a CPAP nasal mask, you set the prescribed pressure and turn on the flow generator. At this point, the mask pressure reading is 0 cm H₂O. What is the most likely cause of this problem?

Once the need for long-term home O₂ therapy has been documented, why should repeated laboratory assessment (ABG or oximetry) be conducted? 1) To follow the course of the disease 2) To assess changes in clinical status 3) To facilitate changes in the prescription

What is the purpose of the small refillable liquid O₂ tank that comes with many stationary home liquid O₂ reservoirs?

At 3 to 5 L/min output, a typical molecular sieve O₂ concentrator provides O₂ concentrations at what level?

What is the most common O₂ delivery system for long-term care?

Advantages of O₂ concentrators for home O₂ therapy include which of the following? 1) Operate at safe low pressures. 2) Are cost-effective for continuous use. 3) Do not waste or lose any O₂. 4) Can power most pneumatic equipment.

At normal liquid cylinder operating pressures, 1 lb of stored liquid O₂ equals approximately how many liters of gaseous O₂?

CMS regulations require that prescriptions for home O₂ therapy be based on:

What equipment function should lay caregivers of home mechanical ventilation assess regularly? 1) Cleanliness and function of bag-valve-mask 2) Internal and external battery power levels 3) Cleanliness of filters and alarm functions 4) Accuracy of ventilator tidal volume (V_T) output

When the flow-metering device of a home liquid O₂ system is turned on, O₂ leaves the container through a vaporizing coil, where it is heated by exposure to which of the following?