Question 1

For what should sputum collected by aerosol therapy induction be inspected?
1) Color
2) Volume
3) Odor
4) Consistency

Accepted Answer

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

Question 2

Which of the following reduce the risk of nosocomial infection when using heated humidification systems?
1) Use of wick or membrane humidifiers
2) Use of heated-wire delivery circuits
3) High humidifier reservoir temperatures
4) Frequent changing of delivery circuits

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 3

Gas leaving an unheated humidifier at 10° C and 100% relative humidity (absolute humidity = 9.4 mg/L) would provide what relative humidity at body temperature?

Accepted Answer

A)  Approximately 100% 
B)  Approximately 60% 
C)  Approximately 40% 
D)  Approximately 20% 
A)  Approximately 100% 
B)  Approximately 60% 
C)  Approximately 40% 
D)  Approximately 20%

Question 4

Which of the following are features of an ideal heat and moisture exchanger (HME)?
1) High compliance
2) Minimal dead space
3) 70% or higher efficiency
4) Minimal flow resistance

Accepted Answer

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

Question 5

For which of the following patients might you recommend bland aerosol therapy via an ultrasonic nebulizer (USN)?
1) Patient with upper airway edema
2) Patient with a bypassed upper airway
3) Patient who must provide a sputum specimen

Accepted Answer

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

Question 6

Which of the following are types of heat and moisture exchangers (HMEs)?
1) Simple condenser
2) Hygroscopic condenser
3) Hydrophobic condenser

Accepted Answer

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

Question 7

Causes of inadequate mist production with pneumatically powered jet nebulizers include which of the following?
1) Inadequate input flow
2) Siphon tube obstruction
3) Jet orifice misalignment
4) Tripped circuit breaker

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 8

The temperature of gas delivered to a patient's airway by a servo-controlled heated humidifier should not vary by more than how much?

Accepted Answer

A)  2° C 
B)  4° C 
C)  6° C 
D)  8° C 
A)  2° C 
B)  4° C 
C)  6° C 
D)  8° C

Question 9

Which of the following barrier precautions should be used when heated humidifier circuits are changed or removed?
1) Wearing gloves
2) Wearing goggles
3) 5-min hand scrub

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

Exam 38: Humidity and Bland Aerosol Therapy

For what should sputum collected by aerosol therapy induction be inspected? 1) Color 2) Volume 3) Odor 4) Consistency

Which of the following reduce the risk of nosocomial infection when using heated humidification systems? 1) Use of wick or membrane humidifiers 2) Use of heated-wire delivery circuits 3) High humidifier reservoir temperatures 4) Frequent changing of delivery circuits

Gas leaving an unheated humidifier at 10° C and 100% relative humidity (absolute humidity = 9.4 mg/L) would provide what relative humidity at body temperature?

Which of the following are features of an ideal heat and moisture exchanger (HME)? 1) High compliance 2) Minimal dead space 3) 70% or higher efficiency 4) Minimal flow resistance

For which of the following patients might you recommend bland aerosol therapy via an ultrasonic nebulizer (USN)? 1) Patient with upper airway edema 2) Patient with a bypassed upper airway 3) Patient who must provide a sputum specimen

Which of the following are types of heat and moisture exchangers (HMEs)? 1) Simple condenser 2) Hygroscopic condenser 3) Hydrophobic condenser

Causes of inadequate mist production with pneumatically powered jet nebulizers include which of the following? 1) Inadequate input flow 2) Siphon tube obstruction 3) Jet orifice misalignment 4) Tripped circuit breaker

The temperature of gas delivered to a patient's airway by a servo-controlled heated humidifier should not vary by more than how much?

Which of the following barrier precautions should be used when heated humidifier circuits are changed or removed? 1) Wearing gloves 2) Wearing goggles 3) 5-min hand scrub

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

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

Respiratory Care in Alternative Settings

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