Question 1

One mole of any gas will occupy 22.4 L and contain ________ molecules.

Accepted Answer

A)  6.02 * 1023 
B)  6.2 * 1023 
C)  0.602 * 1023 
D)  6.2 * 10-23 
A)  6.02 * 1023 
B)  6.2 * 1023 
C)  0.602 * 1023 
D)  6.2 * 10-23

Question 2

Applying the principles of Poiseuille's law,which statement is true?

Accepted Answer

A)  The resistance offered by a tube is inversely proportional to its length. 
B)  As the radius of a tube decreases, the pressure gradient increases. 
C)  The more viscous the fluid, the easier it is to move the fluid through a tube. 
D)  The driving pressure of a gas is indirectly proportional with the length of the tube. 
A)  The resistance offered by a tube is inversely proportional to its length. 
B)  As the radius of a tube decreases, the pressure gradient increases. 
C)  The more viscous the fluid, the easier it is to move the fluid through a tube. 
D)  The driving pressure of a gas is indirectly proportional with the length of the tube.

Question 3

The partial pressure of a gas can be obtained by doing which of the following?

Accepted Answer

A)  Multiplying the total mixture pressure by the percentage area a particular gas occupies 
B)  Multiplying the atmospheric pressure by the percentage of water vapor present 
C)  Subtracting the partial pressure of water vapor from the atmospheric pressure 
D)  Dividing the total pressure of a gas mixture by the atmospheric pressure 
A)  Multiplying the total mixture pressure by the percentage area a particular gas occupies 
B)  Multiplying the atmospheric pressure by the percentage of water vapor present 
C)  Subtracting the partial pressure of water vapor from the atmospheric pressure 
D)  Dividing the total pressure of a gas mixture by the atmospheric pressure

Question 4

Incompressible substances that are able to maintain their volume and shape are called:

Accepted Answer

A)  gases. 
B)  solids. 
C)  liquids. 
D)  compounds. 
A)  gases. 
B)  solids. 
C)  liquids. 
D)  compounds.

Question 5

How many degrees Kelvin is 25° F?

Accepted Answer

A)  298° K 
B)  277° K 
C)  269° K 
D)  266° K 
A)  298° K 
B)  277° K 
C)  269° K 
D)  266° K

Question 6

When effort produces a change in the position of matter:

Accepted Answer

A)  work is performed. 
B)  it is known as a joule. 
C)  mechanical power is created. 
D)  the law of the conservation of energy is being used. 
A)  work is performed. 
B)  it is known as a joule. 
C)  mechanical power is created. 
D)  the law of the conservation of energy is being used.

Question 7

How many degrees Fahrenheit is 100° K?

Accepted Answer

A)  -331° F 
B)  -279° F 
C)  -173° F 
D)  212° F 
A)  -331° F 
B)  -279° F 
C)  -173° F 
D)  212° F

Question 8

When tubes have one or more branches,the flow becomes:

Accepted Answer

A)  transitional. 
B)  restricted. 
C)  turbulent. 
D)  laminar. 
A)  transitional. 
B)  restricted. 
C)  turbulent. 
D)  laminar.

Question 9

The energy that an object possesses when it is in motion is called:

Accepted Answer

A)  sound. 
B)  kinetic. 
C)  thermal. 
D)  potential. 
A)  sound. 
B)  kinetic. 
C)  thermal. 
D)  potential.

Question 10

Which is the correct order for increasing size?

Accepted Answer

A)  Atoms, molecules, mixtures, compounds, elements 
B)  Atoms, elements, molecules, compounds, mixtures 
C)  Elements, atoms, molecules, compounds, mixtures 
D)  Atoms, elements, mixtures, molecules, compounds 
A)  Atoms, molecules, mixtures, compounds, elements 
B)  Atoms, elements, molecules, compounds, mixtures 
C)  Elements, atoms, molecules, compounds, mixtures 
D)  Atoms, elements, mixtures, molecules, compounds

Question 11

Which two of the following are considered vapors?
1)Carbon dioxide
2)Nitrogen
3)Oxygen
4)Water

Accepted Answer

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

Question 12

A series circuit contains a total resistance of 100   .If the circuit has three resistors and one of the resistors is 40   ,what is the combined resistance of the last two resistors?

Accepted Answer

A)  60   
B)  2.5   
C)  140   
D)  0.04   
A)  60   
B)  2.5   
C)  140   
D)  0.04

Question 13

The combined-gas law best describes which of the following?

Accepted Answer

A)  The behavior of all gases when volume is constant 
B)  The combined behavior of pressure, volume, and temperature 
C)  The additive properties of individual gases occupying the same space 
D)  The macroscopic behavior of gases when any or all variables change simultaneously 
A)  The behavior of all gases when volume is constant 
B)  The combined behavior of pressure, volume, and temperature 
C)  The additive properties of individual gases occupying the same space 
D)  The macroscopic behavior of gases when any or all variables change simultaneously

Question 14

Which organ in the human body is most susceptible to electrical shock?

Accepted Answer

A)  Skin 
B)  Heart 
C)  Brain 
D)  Lungs 
A)  Skin 
B)  Heart 
C)  Brain 
D)  Lungs

Question 15

Which of the following formulas represents Boyle's law?

Accepted Answer

A)  V = 2P 
B)  V = 1/2P 
C)  P1V1 = P2V2 
D)  P1/P2 = V1/V2 
A)  V = 2P 
B)  V = 1/2P 
C)  P1V1 = P2V2 
D)  P1/P2 = V1/V2

Question 16

According to the Système International d'Unités,surface tension is measured in:

Accepted Answer

A)  cc3. 
B)  lb/iN₂. 
C)  lb/cc3. 
D)  dyne/cm. 
A)  cc3. 
B)  lb/iN₂. 
C)  lb/cc3. 
D)  dyne/cm.

Question 17

When you discuss the mechanics of breathing,which expression of Poiseuille's law do you use?

Accepted Answer

A)  P = $\dot Q$ ×R 
B)  $ \dot{V} $ = P ÷ R 
C)  $\dot Q$ = P ÷ R 
D)  $\dot Q$ = 1/  $ \dot{V} $ 
A)  P = $\dot Q$ ×R 
B)  $ \dot{V} $ = P ÷ R 
C)  $\dot Q$ = P ÷ R 
D)  $\dot Q$ = 1/  $ \dot{V} $

Question 18

Fluid mechanics is a branch of physics that involves which of the following?
1)Hydrodynamics
2)Fluids in motion
3)Thermodynamics
4)Electrical properties of gases

Accepted Answer

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

Question 19

The temperature at which a solid converts to a liquid is the _____ point.

Accepted Answer

A)  freezing 
B)  melting 
C)  boiling 
D)  critical 
A)  freezing 
B)  melting 
C)  boiling 
D)  critical

Question 20

Which of the following terms does not describe a pattern of flow?

Accepted Answer

A)  Tubular 
B)  Laminar 
C)  Turbulent 
D)  Transitional 
A)  Tubular 
B)  Laminar 
C)  Turbulent 
D)  Transitional

One mole of any gas will occupy 22.4 L and contain ________ molecules.

Applying the principles of Poiseuille's law,which statement is true?

The partial pressure of a gas can be obtained by doing which of the following?

Incompressible substances that are able to maintain their volume and shape are called:

How many degrees Kelvin is 25° F?

When effort produces a change in the position of matter:

How many degrees Fahrenheit is 100° K?

When tubes have one or more branches,the flow becomes:

The energy that an object possesses when it is in motion is called:

Which is the correct order for increasing size?

Which two of the following are considered vapors? 1)Carbon dioxide 2)Nitrogen 3)Oxygen 4)Water

A series circuit contains a total resistance of 100 .If the circuit has three resistors and one of the resistors is 40 ,what is the combined resistance of the last two resistors?

The combined-gas law best describes which of the following?

Which organ in the human body is most susceptible to electrical shock?

Which of the following formulas represents Boyle's law?

According to the Système International d'Unités,surface tension is measured in:

When you discuss the mechanics of breathing,which expression of Poiseuille's law do you use?

Fluid mechanics is a branch of physics that involves which of the following? 1)Hydrodynamics 2)Fluids in motion 3)Thermodynamics 4)Electrical properties of gases

The temperature at which a solid converts to a liquid is the _____ point.

Which of the following terms does not describe a pattern of flow?

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

Assessment of Cardiovascular Function

Blood Gas Monitoring

Sleep Diagnostics

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

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Exam 1: Basic Physics for the Respiratory Therapist

One mole of any gas will occupy 22.4 L and contain ________ molecules.

Applying the principles of Poiseuille's law,which statement is true?

The partial pressure of a gas can be obtained by doing which of the following?

Incompressible substances that are able to maintain their volume and shape are called:

How many degrees Kelvin is 25° F?

When effort produces a change in the position of matter:

How many degrees Fahrenheit is 100° K?

When tubes have one or more branches,the flow becomes:

The energy that an object possesses when it is in motion is called:

Which is the correct order for increasing size?

Which two of the following are considered vapors? 1)Carbon dioxide 2)Nitrogen 3)Oxygen 4)Water

A series circuit contains a total resistance of 100 .If the circuit has three resistors and one of the resistors is 40 ,what is the combined resistance of the last two resistors?

The combined-gas law best describes which of the following?

Which organ in the human body is most susceptible to electrical shock?

Which of the following formulas represents Boyle's law?

According to the Système International d'Unités,surface tension is measured in:

When you discuss the mechanics of breathing,which expression of Poiseuille's law do you use?

Fluid mechanics is a branch of physics that involves which of the following? 1)Hydrodynamics 2)Fluids in motion 3)Thermodynamics 4)Electrical properties of gases

The temperature at which a solid converts to a liquid is the _____ point.

Which of the following terms does not describe a pattern of flow?

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

Assessment of Cardiovascular Function

Blood Gas Monitoring

Sleep Diagnostics

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

Filters