Question 1

The movement of gas molecules from an area of high concentration to one of lower concentration describes the property of which of the following?

Accepted Answer

A)  Osmosis 
B)  Effusion 
C)  Diffusion 
D)  Suspension 
A)  Osmosis 
B)  Effusion 
C)  Diffusion 
D)  Suspension

Question 2

Which of the following are amorphous solids?
1)Iron
2)Glass
3)Plastic
4)Margarine

Accepted Answer

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

Question 3

Following the Bernoulli principle,when a fluid approaches a constriction in a tube,there will be a(n)____ in acceleration and a(n)____ in lateral pressure.

Accepted Answer

A)  Decrease, decrease 
B)  Decrease, increase 
C)  Increase, decrease 
D)  Increase, increase 
A)  Decrease, decrease 
B)  Decrease, increase 
C)  Increase, decrease 
D)  Increase, increase

Question 4

The law that describes the diffusion of a gas across a semipermeable membrane is _____ law.

Accepted Answer

A)  Fick's 
B)  Henry's 
C)  Graham's 
D)  Charles' 
A)  Fick's 
B)  Henry's 
C)  Graham's 
D)  Charles'

Question 5

Fluid movement that is chaotic is known as:

Accepted Answer

A)  random. 
B)  turbulent. 
C)  streamlined. 
D)  transitional. 
A)  random. 
B)  turbulent. 
C)  streamlined. 
D)  transitional.

Question 6

Which two of the following are ways to enhance the process of evaporation?
1)Decrease the temperature of the liquid
2)Increase the temperature of the liquid
3)Decrease atmospheric pressure
4)Increase atmospheric pressure

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 7

Atoms and molecules arranged in an orderly fashion are called:

Accepted Answer

A)  Solids 
B)  Mixtures 
C)  Crystalline 
D)  Amorphous 
A)  Solids 
B)  Mixtures 
C)  Crystalline 
D)  Amorphous

Question 8

Power is a measure of which of the following?

Accepted Answer

A)  Mechanical energy 
B)  Gravitational potential energy 
C)  The rate at which work is being performed 
D)  The rate at which atoms and molecules move 
A)  Mechanical energy 
B)  Gravitational potential energy 
C)  The rate at which work is being performed 
D)  The rate at which atoms and molecules move

Question 9

The sum of the partial pressures of a gas mixture equals the total gas pressure of the system.This statement represents which of the following laws?

Accepted Answer

A)  Dalton's law 
B)  Avogadro's law 
C)  The combined-gas law 
D)  Boltzmann's Universal Gas Constant 
A)  Dalton's law 
B)  Avogadro's law 
C)  The combined-gas law 
D)  Boltzmann's Universal Gas Constant

Question 10

The kinetic theory holds that:

Accepted Answer

A)  all matter is composed of tiny particles. 
B)  elements combine in fixed proportions to form molecules. 
C)  the energy that an object gains as it falls is a result of gravity. 
D)  atoms and molecules that make up matter are in constant motion. 
A)  all matter is composed of tiny particles. 
B)  elements combine in fixed proportions to form molecules. 
C)  the energy that an object gains as it falls is a result of gravity. 
D)  atoms and molecules that make up matter are in constant motion.

Question 11

The weakest cohesive forces between constituent particles are present in which of the following?

Accepted Answer

A)  Water 
B)  Plastic 
C)  Hydrogen 
D)  Liquid oxygen 
A)  Water 
B)  Plastic 
C)  Hydrogen 
D)  Liquid oxygen

Question 12

The least amount of kinetic energy is possessed by which one of the following?

Accepted Answer

A)  Air 
B)  Iron 
C)  Water 
D)  Plastic 
A)  Air 
B)  Iron 
C)  Water 
D)  Plastic

Question 13

What are the two opposing forces in a mercury barometer?

Accepted Answer

A)  The weight of the mercury column and the force of the gas molecules 
B)  The weight of the mercury column and the spring tension 
C)  The spring tension and the gas pressure 
D)  The gravity and the gas pressure 
A)  The weight of the mercury column and the force of the gas molecules 
B)  The weight of the mercury column and the spring tension 
C)  The spring tension and the gas pressure 
D)  The gravity and the gas pressure

Question 14

Which substance has the lowest surface tension?

Accepted Answer

A)  Water at 20° C 
B)  Water at 37° C 
C)  Blood at 37° C 
D)  Ethyl alcohol at 20° C 
A)  Water at 20° C 
B)  Water at 37° C 
C)  Blood at 37° C 
D)  Ethyl alcohol at 20° C

Question 15

The direct relationship between the volume and temperature of a gas is the basic principle of _____ law.

Accepted Answer

A)  Gay-Lussac's 
B)  Charles' 
C)  Dalton's 
D)  Boyle's 
A)  Gay-Lussac's 
B)  Charles' 
C)  Dalton's 
D)  Boyle's

Question 16

A reduction in the force of gravity will cause the atmospheric pressure to:

Accepted Answer

A)  shift. 
B)  increase. 
C)  decrease. 
D)  remain constant. 
A)  shift. 
B)  increase. 
C)  decrease. 
D)  remain constant.

Question 17

The point at which the vapor pressure of a liquid equals atmospheric pressure is known as which of the following?

Accepted Answer

A)  Critical temperature 
B)  Vapor pressure 
C)  Boiling point 
D)  Latent heat 
A)  Critical temperature 
B)  Vapor pressure 
C)  Boiling point 
D)  Latent heat

Question 18

As a fluid flows through a tube of uniform diameter,pressure drops progressively over the length of the tube.This illustrates an application of which of the following?

Accepted Answer

A)  Coanda effect 
B)  Venturi principle 
C)  Bernoulli principle 
D)  Reynolds' number 
A)  Coanda effect 
B)  Venturi principle 
C)  Bernoulli principle 
D)  Reynolds' number

Question 19

Supercooled liquids are also known as which of the following?

Accepted Answer

A)  Elements 
B)  Compounds 
C)  Crystalline solids 
D)  Amorphous solids 
A)  Elements 
B)  Compounds 
C)  Crystalline solids 
D)  Amorphous solids

Question 20

Forces at the molecular interface between oil and water are known as _____ forces.

Accepted Answer

A)  van der Waals 
B)  Hydrostatic 
C)  Cohesive 
D)  Adhesive 
A)  van der Waals 
B)  Hydrostatic 
C)  Cohesive 
D)  Adhesive

The movement of gas molecules from an area of high concentration to one of lower concentration describes the property of which of the following?

Which of the following are amorphous solids? 1)Iron 2)Glass 3)Plastic 4)Margarine

Following the Bernoulli principle,when a fluid approaches a constriction in a tube,there will be a(n) in acceleration and a(n) in lateral pressure.

The law that describes the diffusion of a gas across a semipermeable membrane is _____ law.

Fluid movement that is chaotic is known as:

Which two of the following are ways to enhance the process of evaporation? 1)Decrease the temperature of the liquid 2)Increase the temperature of the liquid 3)Decrease atmospheric pressure 4)Increase atmospheric pressure

Atoms and molecules arranged in an orderly fashion are called:

Power is a measure of which of the following?

The sum of the partial pressures of a gas mixture equals the total gas pressure of the system.This statement represents which of the following laws?

The kinetic theory holds that:

The weakest cohesive forces between constituent particles are present in which of the following?

The least amount of kinetic energy is possessed by which one of the following?

What are the two opposing forces in a mercury barometer?

Which substance has the lowest surface tension?

The direct relationship between the volume and temperature of a gas is the basic principle of _____ law.

A reduction in the force of gravity will cause the atmospheric pressure to:

The point at which the vapor pressure of a liquid equals atmospheric pressure is known as which of the following?

As a fluid flows through a tube of uniform diameter,pressure drops progressively over the length of the tube.This illustrates an application of which of the following?

Supercooled liquids are also known as which of the following?

Forces at the molecular interface between oil and water are known as _____ forces.

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

Exam 1: Basic Physics for the Respiratory Therapist

The movement of gas molecules from an area of high concentration to one of lower concentration describes the property of which of the following?

Which of the following are amorphous solids? 1)Iron 2)Glass 3)Plastic 4)Margarine

Following the Bernoulli principle,when a fluid approaches a constriction in a tube,there will be a(n)____ in acceleration and a(n)____ in lateral pressure.

The law that describes the diffusion of a gas across a semipermeable membrane is _____ law.

Fluid movement that is chaotic is known as:

Which two of the following are ways to enhance the process of evaporation? 1)Decrease the temperature of the liquid 2)Increase the temperature of the liquid 3)Decrease atmospheric pressure 4)Increase atmospheric pressure

Atoms and molecules arranged in an orderly fashion are called:

Power is a measure of which of the following?

The sum of the partial pressures of a gas mixture equals the total gas pressure of the system.This statement represents which of the following laws?

The kinetic theory holds that:

The weakest cohesive forces between constituent particles are present in which of the following?

The least amount of kinetic energy is possessed by which one of the following?

What are the two opposing forces in a mercury barometer?

Which substance has the lowest surface tension?

The direct relationship between the volume and temperature of a gas is the basic principle of _____ law.

A reduction in the force of gravity will cause the atmospheric pressure to:

The point at which the vapor pressure of a liquid equals atmospheric pressure is known as which of the following?

As a fluid flows through a tube of uniform diameter,pressure drops progressively over the length of the tube.This illustrates an application of which of the following?

Supercooled liquids are also known as which of the following?

Forces at the molecular interface between oil and water are known as _____ forces.

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

Following the Bernoulli principle,when a fluid approaches a constriction in a tube,there will be a(n) in acceleration and a(n) in lateral pressure.