Question 1

The surface tension of a liquid:

Accepted Answer

A)  does not vary with temperature. 
B)  increases as temperature increases. 
C)  increases as temperature decreases. 
D)  decreases as temperature increases. 
A)  does not vary with temperature. 
B)  increases as temperature increases. 
C)  increases as temperature decreases. 
D)  decreases as temperature increases.

Question 2

Energy that is stored in an object is called which of the following?

Accepted Answer

A)  Kinetic 
B)  Potential 
C)  Chemical 
D)  Mechanical 
A)  Kinetic 
B)  Potential 
C)  Chemical 
D)  Mechanical

Question 3

According to Ohm's law,assuming that the voltage is held constant,what will happen to the resistance if the current is doubled?

Accepted Answer

A)  It will remain the same. 
B)  It will be doubled. 
C)  It will quadruple. 
D)  It will be halved. 
A)  It will remain the same. 
B)  It will be doubled. 
C)  It will quadruple. 
D)  It will be halved.

Question 4

Surface tension is present in a container with which of the following?

Accepted Answer

A)  Oxygen and hydrogen 
B)  Water and mercury 
C)  Water and chlorine 
D)  Water and salt 
A)  Oxygen and hydrogen 
B)  Water and mercury 
C)  Water and chlorine 
D)  Water and salt

Question 5

Placement of postconstriction extensions in a tube can deflect a flow 180 degrees along a new wall contour.This phenomenon illustrates the:

Accepted Answer

A)  Coanda effect. 
B)  Venturi principle. 
C)  Bernoulli principle. 
D)  Bernoulli-Coanda inversion. 
A)  Coanda effect. 
B)  Venturi principle. 
C)  Bernoulli principle. 
D)  Bernoulli-Coanda inversion.

Question 6

The partial pressure of oxygen when there is 25% oxygen in a gas mixture at an atmospheric pressure of 760 mm Hg is ____ mm Hg.

Accepted Answer

A)  190 
B)  30.4 
C)  1900 
D)  159.6 
A)  190 
B)  30.4 
C)  1900 
D)  159.6

Question 7

Absolute zero is which of the following?

Accepted Answer

A)  0° K 
B)  The freezing point of water 
C)  Routinely measured in Fahrenheit 
D)  The temperature at which all molecular motion stops 
A)  0° K 
B)  The freezing point of water 
C)  Routinely measured in Fahrenheit 
D)  The temperature at which all molecular motion stops

Question 8

Specific gravity is best described as which of the following?

Accepted Answer

1.A measure of density 
2.An a

Question 9

Which of the following formulas represents Gay-Lussac's law?

Accepted Answer

A)  P1/T1 = T2/P2 
B)  P1T1 = P2T2 
C)  P1T2 = P2T1 
D)  P = 1/T 
A)  P1/T1 = T2/P2 
B)  P1T1 = P2T2 
C)  P1T2 = P2T1 
D)  P = 1/T

Question 10

Which of the following is least viscous?

Accepted Answer

A)  Plastic 
B)  Gelatin (e.g., Jell-O) 
C)  Metal 
D)  Glass 
A)  Plastic 
B)  Gelatin (e.g., Jell-O) 
C)  Metal 
D)  Glass

Question 11

Which gas has the lowest specific gravity at 25° C and 760 mm Hg?

Accepted Answer

A)  Water vapor 
B)  Helium 
C)  CO₂ 
D)  O₂ 
A)  Water vapor 
B)  Helium 
C)  CO₂ 
D)  O₂

Question 12

Which of the following shows the correct relationship among density,volume,and mass?
1)Density = volume/mass
2)Volume = density/mass
3)Mass = (density)/(volume)
4)Weight density = weight/volume

Accepted Answer

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

Question 13

Which two of the following temperatures are not equal?
1)15° C = 288° K
2)98.6° C = 32° F
3)20° F = -6.7° C
4)100° C = 273° K

Accepted Answer

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

Question 14

Properties of a viscous liquid are:
1)Increased cohesive forces between its molecules
2)Low density
3)High density
4)Free flow

Accepted Answer

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

Question 15

How many degrees Celsius is 101° F?

Accepted Answer

A)  24° C 
B)  145° C 
C)  38.3° C 
D)  56.1° C 
A)  24° C 
B)  145° C 
C)  38.3° C 
D)  56.1° C

Question 16

Under what conditions is the relationship between mass and weight constant?

Accepted Answer

A)  In outer space 
B)  At zero gravity 
C)  At the center of the Earth 
D)  Near the surface of the Earth 
A)  In outer space 
B)  At zero gravity 
C)  At the center of the Earth 
D)  Near the surface of the Earth

Question 17

Which of the following correctly expresses Ohm's law?

Accepted Answer

A)  R = I * V 
B)  V = I * R 
C)  I = V * R 
D)  V = I/R 
A)  R = I * V 
B)  V = I * R 
C)  I = V * R 
D)  V = I/R

Question 18

The standard unit of measure of an electrical current is which of the following?

Accepted Answer

A)  Milliampere 
B)  Coulomb 
C)  Ampere 
D)  Volt 
A)  Milliampere 
B)  Coulomb 
C)  Ampere 
D)  Volt

Question 19

Viscosity has an influence on which of the following?
1)Laminar flow
2)Fluid mechanics
3)Sedimentary rate
4)Streamlined flow

Accepted Answer

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

Question 20

The pressure drop resulting from a constriction in a tube can be restored by which of the following?

Accepted Answer

A)  An increase in flow rate 
B)  A postconstriction increase in radius 
C)  The addition of another entrainment port 
D)  A further decrease in the radius of the tube 
A)  An increase in flow rate 
B)  A postconstriction increase in radius 
C)  The addition of another entrainment port 
D)  A further decrease in the radius of the tube

The surface tension of a liquid:

Energy that is stored in an object is called which of the following?

According to Ohm's law,assuming that the voltage is held constant,what will happen to the resistance if the current is doubled?

Surface tension is present in a container with which of the following?

Placement of postconstriction extensions in a tube can deflect a flow 180 degrees along a new wall contour.This phenomenon illustrates the:

The partial pressure of oxygen when there is 25% oxygen in a gas mixture at an atmospheric pressure of 760 mm Hg is ____ mm Hg.

Absolute zero is which of the following?

Specific gravity is best described as which of the following?

Which of the following formulas represents Gay-Lussac's law?

Which of the following is least viscous?

Which gas has the lowest specific gravity at 25° C and 760 mm Hg?

Which of the following shows the correct relationship among density,volume,and mass? 1)Density = volume/mass 2)Volume = density/mass 3)Mass = (density)/(volume) 4)Weight density = weight/volume

Which two of the following temperatures are not equal? 1)15° C = 288° K 2)98.6° C = 32° F 3)20° F = -6.7° C 4)100° C = 273° K

Properties of a viscous liquid are: 1)Increased cohesive forces between its molecules 2)Low density 3)High density 4)Free flow

How many degrees Celsius is 101° F?

Under what conditions is the relationship between mass and weight constant?

Which of the following correctly expresses Ohm's law?

The standard unit of measure of an electrical current is which of the following?

Viscosity has an influence on which of the following? 1)Laminar flow 2)Fluid mechanics 3)Sedimentary rate 4)Streamlined flow

The pressure drop resulting from a constriction in a tube can be restored by which of the following?

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

The surface tension of a liquid:

Energy that is stored in an object is called which of the following?

According to Ohm's law,assuming that the voltage is held constant,what will happen to the resistance if the current is doubled?

Surface tension is present in a container with which of the following?

Placement of postconstriction extensions in a tube can deflect a flow 180 degrees along a new wall contour.This phenomenon illustrates the:

The partial pressure of oxygen when there is 25% oxygen in a gas mixture at an atmospheric pressure of 760 mm Hg is ____ mm Hg.

Absolute zero is which of the following?

Specific gravity is best described as which of the following?

Which of the following formulas represents Gay-Lussac's law?

Which of the following is least viscous?

Which gas has the lowest specific gravity at 25° C and 760 mm Hg?

Which of the following shows the correct relationship among density,volume,and mass? 1)Density = volume/mass 2)Volume = density/mass 3)Mass = (density)/(volume) 4)Weight density = weight/volume

Which two of the following temperatures are not equal? 1)15° C = 288° K 2)98.6° C = 32° F 3)20° F = -6.7° C 4)100° C = 273° K

Properties of a viscous liquid are: 1)Increased cohesive forces between its molecules 2)Low density 3)High density 4)Free flow

How many degrees Celsius is 101° F?

Under what conditions is the relationship between mass and weight constant?

Which of the following correctly expresses Ohm's law?

The standard unit of measure of an electrical current is which of the following?

Viscosity has an influence on which of the following? 1)Laminar flow 2)Fluid mechanics 3)Sedimentary rate 4)Streamlined flow

The pressure drop resulting from a constriction in a tube can be restored by which of the following?

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