Question 1

Which of the following is/are considered therapeutic gases?
I.O2
II.O2-NO mixture
III.O2-He mixture
IV.N2O

Accepted Answer

A) I and II 
B) II and IV 
C) III and IV 
D) I, II, and III 
A) I and II 
B) II and IV 
C) III and IV 
D) I, II, and III

Question 2

What cylinder factor is used to compute the duration of flow for a 22 cu/ft O2 or air E cylinder?

Accepted Answer

A) 0.28 
B) 1.34 
C) 2.41 
D) 3.14 
A) 0.28 
B) 1.34 
C) 2.41 
D) 3.14

Question 3

Which of the following equipment could be powered by a small diaphragm or turbine air compressor?
I.small-volume medication nebulizer
II.all-purpose large-volume jet nebulizer
III.intermittent positive-pressure breathing device

Accepted Answer

A) I only 
B) I and II 
C) II and III 
D) I, II, and III 
A) I only 
B) I and II 
C) II and III 
D) I, II, and III

Question 4

When used to control the flow of medical gases to a patient, how is a Bourdon gauge classified?

Accepted Answer

A) fixed-orifice, variable-pressure flowmeter device 
B) fixed-orifice, constant-pressure flowmeter device 
C) variable-orifice, variable-pressure flowmeter device 
D) variable-orifice, constant-pressure flowmeter device 
A) fixed-orifice, variable-pressure flowmeter device 
B) fixed-orifice, constant-pressure flowmeter device 
C) variable-orifice, variable-pressure flowmeter device 
D) variable-orifice, constant-pressure flowmeter device

Question 5

What cylinder factor is used to compute the duration of flow for a 244 cu/ft (H/K) O2 or air cylinder?

Accepted Answer

A) 0.16 
B) 0.28 
C) 3.14 
D) 2.41 
A) 0.16 
B) 0.28 
C) 3.14 
D) 2.41

Question 6

Where do respiratory therapists typically find DISS connections?
I.at the outlets of pressure-reducing valves attached to cylinders
II.at the nurse station
III.at the station outlets of central piping systems
IV.at the inlets of blenders, flowmeters, ventilators, and other pneumatic equipment

Accepted Answer

A) I, II 
B) I, II, III 
C) I, II, IV 
D) III, IV 
A) I, II 
B) I, II, III 
C) I, II, IV 
D) III, IV

Question 7

What is the fire-risk classification of N and CO2?

Accepted Answer

A) flammable 
B) supports combustion 
C) inflammable 
D) nonflammable 
A) flammable 
B) supports combustion 
C) inflammable 
D) nonflammable

Question 8

Cylinders of liquid gases are filled according to what specification?

Accepted Answer

A) filling density 
B) critical weight 
C) elastic expansion 
D) filling pressure 
A) filling density 
B) critical weight 
C) elastic expansion 
D) filling pressure

Question 9

If you had to power a ventilator from a large cylinder of compressed gas, which of the following devices would be required?

Accepted Answer

A) flowmeter 
B) regulator 
C) reducing valve 
D) oxygen blender 
A) flowmeter 
B) regulator 
C) reducing valve 
D) oxygen blender

Question 10

Components of a large medical air compressor include which of the following?
I.drying system
II.diaphragm or turbine
III.reservoir tank
IV.pressure-reducing valve

Accepted Answer

A) II and III 
B) II and IV 
C) I, II, and III 
D) I, III, and IV 
A) II and III 
B) II and IV 
C) I, II, and III 
D) I, III, and IV

Question 11

One cubic foot of any gas is equivalent to how many liters of gas?

Accepted Answer

A) 1.00 
B) 3.79 
C) 7.48 
D) 28.30 
A) 1.00 
B) 3.79 
C) 7.48 
D) 28.30

Question 12

Which of the following devices would you select if the goal was to accurately meter the flow through a jet nebulizer?

Accepted Answer

A) Bourdon gauge 
B) flow restrictor 
C) uncompensated Thorpe tube 
D) compensated Thorpe tube 
A) Bourdon gauge 
B) flow restrictor 
C) uncompensated Thorpe tube 
D) compensated Thorpe tube

Question 13

Structural requirements for the central piping systems that are used in hospitals to distribute gases are established by whom?

Accepted Answer

A) American National Standards Institute (ANSI) 
B) Department of Transportation 
C) National Fire Protection Association (NFP
A)  
D) Compressed Gas Association (CG
A)  
A) American National Standards Institute (ANSI) 
B) Department of Transportation 
C) National Fire Protection Association (NFP
A)  
D) Compressed Gas Association (CG
A)

Question 14

The gauge on an H cylinder of O2 reads 2000 psig. About how long would the contents of this cylinder last, until completely empty, at a flow of 6 L/min?

Accepted Answer

A) 1 hour 30 minutes 
B) 17 hours 30 minutes 
C) 18 hours 10 minutes 
D) 21 hours 50 minutes 
A) 1 hour 30 minutes 
B) 17 hours 30 minutes 
C) 18 hours 10 minutes 
D) 21 hours 50 minutes

Question 15

Which of the following components are common to a standard compressed gas cylinder manifold system?
I.automatic switch-over control
II.pressure-reducing valves
III.primary and reserve bank
IV.alarm system

Accepted Answer

A) I, II, and III 
B) II and IV 
C) III and IV 
D) I, II, III, and IV 
A) I, II, and III 
B) II and IV 
C) III and IV 
D) I, II, III, and IV

Question 16

Which of the following mechanisms do all compressed gas cylinders use to avoid excessively high buildup of cylinder pressure?

Accepted Answer

A) internal convection cooling mechanism 
B) pressure-relief mechanism on the valve stem 
C) automatic cylinder breech mechanism 
D) pressure-relief mechanism on the cylinder body 
A) internal convection cooling mechanism 
B) pressure-relief mechanism on the valve stem 
C) automatic cylinder breech mechanism 
D) pressure-relief mechanism on the cylinder body

Question 17

Which of the following is FALSE about a Bourdon gauge?

Accepted Answer

A) It is always used with an adjustable high pressure-reducing valve. 
B) It actually senses pressure but is calibrated to display flow. 
C) It reads a flow higher than actual if downstream pressure increases. 
D) It will register zero flow when the outlet is completely blocked. 
A) It is always used with an adjustable high pressure-reducing valve. 
B) It actually senses pressure but is calibrated to display flow. 
C) It reads a flow higher than actual if downstream pressure increases. 
D) It will register zero flow when the outlet is completely blocked.

Question 18

Which of the following statements about CO2 is FALSE?

Accepted Answer

A) It does not support animal life. 
B) It is a flammable gas. 
C) It is odorless and colorless. 
D) It is heavier than air. 
A) It does not support animal life. 
B) It is a flammable gas. 
C) It is odorless and colorless. 
D) It is heavier than air.

Question 19

Which of the following are advantages of a using a flow restrictor to control the delivery of medical gases to a patient?
I.preset metered flow
II.low cost and simplicity
III.gravity independence
IV.wide range of utility

Accepted Answer

A) I, II, and III 
B) I, II, and IV 
C) II and IV 
D) III and IV 
A) I, II, and III 
B) I, II, and IV 
C) II and IV 
D) III and IV

Question 20

According to the U.S. Department of Commerce, a gas cylinder that is color coded blue should contain which of the following?

Accepted Answer

A) Air 
B) He 
C) N2O 
D) O2 
A) Air 
B) He 
C) N2O 
D) O2

Exam 37: Storage and Delivery of Medical Gases

Which of the following is/are considered therapeutic gases? I.O2 II.O2-NO mixture III.O2-He mixture IV.N2O

What cylinder factor is used to compute the duration of flow for a 22 cu/ft O2 or air E cylinder?

Which of the following equipment could be powered by a small diaphragm or turbine air compressor? I.small-volume medication nebulizer II.all-purpose large-volume jet nebulizer III.intermittent positive-pressure breathing device

When used to control the flow of medical gases to a patient, how is a Bourdon gauge classified?

What cylinder factor is used to compute the duration of flow for a 244 cu/ft (H/K) O2 or air cylinder?

Where do respiratory therapists typically find DISS connections? I.at the outlets of pressure-reducing valves attached to cylinders II.at the nurse station III.at the station outlets of central piping systems IV.at the inlets of blenders, flowmeters, ventilators, and other pneumatic equipment

What is the fire-risk classification of N and CO2?

Cylinders of liquid gases are filled according to what specification?

If you had to power a ventilator from a large cylinder of compressed gas, which of the following devices would be required?

Components of a large medical air compressor include which of the following? I.drying system II.diaphragm or turbine III.reservoir tank IV.pressure-reducing valve

One cubic foot of any gas is equivalent to how many liters of gas?

Which of the following devices would you select if the goal was to accurately meter the flow through a jet nebulizer?

Structural requirements for the central piping systems that are used in hospitals to distribute gases are established by whom?

The gauge on an H cylinder of O2 reads 2000 psig. About how long would the contents of this cylinder last, until completely empty, at a flow of 6 L/min?

Which of the following components are common to a standard compressed gas cylinder manifold system? I.automatic switch-over control II.pressure-reducing valves III.primary and reserve bank IV.alarm system

Which of the following mechanisms do all compressed gas cylinders use to avoid excessively high buildup of cylinder pressure?

Which of the following is FALSE about a Bourdon gauge?

Which of the following statements about CO2 is FALSE?

Which of the following are advantages of a using a flow restrictor to control the delivery of medical gases to a patient? I.preset metered flow II.low cost and simplicity III.gravity independence IV.wide range of utility

According to the U.S. Department of Commerce, a gas cylinder that is color coded blue should contain which of the following?

History of Respiratory Care

Quality and Evidence-Based Respiratory Care

Patient Safety, Communication, and Record Keeping

Principles of Infection Control

Ethical and Legal Implications of Practice

Physical Principles of Respiratory Care

Computer Applications in Respiratory Care

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

Interpretation of Clinical Laboratory Data

Interpreting the Electrocardiogram

Analysis and Monitoring of Gas Exchange

Pulmonary Function Testing

A Review of Thoracic Imaging

Nutrition Assessment

Pulmonary Infections

Obstructive Lung Disease: Copd, Asthma, and Related Diseases

Interstitial Lung Disease

Pleural Diseases

Pulmonary Vascular Disease

Acute Lung Injury, Pulmonary Edema, and Multiple System Organ

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

Medical Gas Therapy

Lung Expansion Therapy

Bronchial Hygiene Therapy

Respiratory Failure and the Need for Ventilatory Support

Mechanical Ventilators

Physiology of Ventilatory Support

Initiating and Adjusting Ventilatory Support

Noninvasive Positive Pressure Ventilation

Monitoring and Management of the Patient in the Intensive Care Unit

Discontinuing Ventilatory Support

Neonatal and Pediatric Respiratory Care

Patient Education and Health Promotion

Cardiopulmonary Rehabilitation

Respiratory Care in Alternative Settings

Filters

Which of the following is/are considered therapeutic gases? I.O₂ II.O₂-NO mixture III.O₂-He mixture IV.N₂O

What cylinder factor is used to compute the duration of flow for a 22 cu/ft O₂ or air E cylinder?

What cylinder factor is used to compute the duration of flow for a 244 cu/ft (H/K) O₂ or air cylinder?

What is the fire-risk classification of N and CO₂?

The gauge on an H cylinder of O₂ reads 2000 psig. About how long would the contents of this cylinder last, until completely empty, at a flow of 6 L/min?

Which of the following statements about CO₂ is FALSE?