Question 1

One atmosphere (1 atm) of pressure is equivalent to which of the following?
1) 29.9 in Hg
2) 14.7 lb/in2
3) 1034.0 g/cm2
4) 760.0 mm Hg

Accepted Answer

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

Question 2

A combination of neutral atoms, free electrons, and atomic nuclei describes:

Accepted Answer

A)  potential energy. 
B)  kinetic energy. 
C)  plasma. 
D)  compressed gases. 
A)  potential energy. 
B)  kinetic energy. 
C)  plasma. 
D)  compressed gases.

Question 3

Respiratory therapists must ensure that any oil or dust is cleared from high-pressure medical-gas delivery systems before pressurization. Why is this action needed?

Accepted Answer

A)  Inhaled dust particles can cause pneumoconiosis. 
B)  The oil or dust can cause a leak in the system. 
C)  Oil or dust does not easily mix with medical gases. 
D)  Adiabatic compression could ignite the oil or dust. 
A)  Inhaled dust particles can cause pneumoconiosis. 
B)  The oil or dust can cause a leak in the system. 
C)  Oil or dust does not easily mix with medical gases. 
D)  Adiabatic compression could ignite the oil or dust.

Question 4

What is the water vapor pressure of saturated gas at normal body temperature (37° C)?

Accepted Answer

A)  47.0 mm Hg 
B)  43.8 mm Hg 
C)  37.0 mm Hg 
D)  98.6 mm Hg 
A)  47.0 mm Hg 
B)  43.8 mm Hg 
C)  37.0 mm Hg 
D)  98.6 mm Hg

Question 5

Which of the following would be the worst heat conductor?

Accepted Answer

A)  Water 
B)  Glass 
C)  Air 
D)  Copper 
A)  Water 
B)  Glass 
C)  Air 
D)  Copper

Question 6

Under conditions of turbulent flow, what is the driving pressure?

Accepted Answer

A)  Proportional to the square of the flow 
B)  Inversely proportional to the flow 
C)  Linearly proportional to the flow 
D)  Inversely proportional to the density 
A)  Proportional to the square of the flow 
B)  Inversely proportional to the flow 
C)  Linearly proportional to the flow 
D)  Inversely proportional to the density

Question 7

The ratio of the density of one fluid when compared with the density of another reference substance, which is typically water, describes the fluid's:

Accepted Answer

A)  specific gravity. 
B)  specific weight. 
C)  atomic mass. 
D)  atomic volume. 
A)  specific gravity. 
B)  specific weight. 
C)  atomic mass. 
D)  atomic volume.

Question 8

What is the absolute humidity (water vapor content) of saturated gas at normal body temperature (37° C)?

Accepted Answer

A)  47.0 mg/L 
B)  37.0 mg/L 
C)  98.6 mg/L 
D)  43.8 mg/L 
A)  47.0 mg/L 
B)  37.0 mg/L 
C)  98.6 mg/L 
D)  43.8 mg/L

Exam 6: Physical Principles of Respiratory Care

One atmosphere (1 atm) of pressure is equivalent to which of the following? 1) 29.9 in Hg 2) 14.7 lb/in2 3) 1034.0 g/cm2 4) 760.0 mm Hg

A combination of neutral atoms, free electrons, and atomic nuclei describes:

Respiratory therapists must ensure that any oil or dust is cleared from high-pressure medical-gas delivery systems before pressurization. Why is this action needed?

What is the water vapor pressure of saturated gas at normal body temperature (37° C)?

Which of the following would be the worst heat conductor?

Under conditions of turbulent flow, what is the driving pressure?

The ratio of the density of one fluid when compared with the density of another reference substance, which is typically water, describes the fluid's:

What is the absolute humidity (water vapor content) of saturated gas at normal body temperature (37° C)?

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

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

Respiratory Care in Alternative Settings

Filters

One atmosphere (1 atm) of pressure is equivalent to which of the following? 1) 29.9 in Hg 2) 14.7 lb/in² 3) 1034.0 g/cm² 4) 760.0 mm Hg