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Test Bank for Mosby's Respiratory Care Equipment, 11th Edition by James M. Cairo

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  • Course
  • Respiratory Care
  • Institution
  • Respiratory Care

Test Bank for Mosby's Respiratory Care Equipment, 11th Edition 11e by James M. Cairo. Full Chapters test bank are included - Chap 1 to 15 (Complete test bank) SECTION I: Introduction 1. Basic Physics for the Respiratory Therapist 2. Principles of Infection Control SECTION II: Medical Gases 3...

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Document information

  • August 9, 2023
  • 373
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • respiratory
  • care
  • equipment
  • 11e
  • 11th
  • edition
  • james
  • cairo
  • multiple choice
  • mcqs
  • question bank
  • quiz bank
  • exam practice
  • tests
  • 9780323712217
  • mosbys
  • test bank
  • practice quizzes

Written for

  • Respiratory Care
  • Respiratory Care

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Chapter_01.bnk

MULTIPLE CHOICE

1. Power is a measure of which of the following?
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

ANS: c
Power is a measure of the rate at which work is being performed. The
formula P = W/J, where W = watts and 1 watt is equal to 1 J/s, expresses
this. Joules are the international standard for expressing energy and
work.
PTS: 1

2. When effort produces a change in the position of matter
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.

ANS: a
Work is performed only when effort or outside forces produce a change
in the position of matter.
PTS: 1

The unit used to express the force of 1 N acting on a 1-kg object to
3.
move it 1 m is which of the following?

a. Watt
b. Joule
c. Kilowatt
d. Kinetic energy (KE)

ANS: b

,One joule is equal to the force of 1 N acting on 1 kg. A watt is
equivalent to 1 J/s. A kilowatt is simply 1000 W. KE is energy an object
possesses when it is in motion.
PTS: 1

4. Power is expressed in which of the following units?
a. Newtons
b. Joules
c. Ohms
d. Watts

ANS: d
Power is a measure of the rate at which work is being performed. Energy
and work are measured in joules. One joule is the force of 1 N acting on
a 1-kg object to move it 1 m. Ohms is the resistance an electrical circuit
possesses.
PTS: 1

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

a. sound.
b. kinetic.
c. thermal.
d. potential.

ANS: b
KE is the energy an object possesses when it stays in motion. Potential
energy is stored energy, and it exists in many forms such as thermal
energy or sound waves.
PTS: 1

6. If the velocity of an object is reduced by half, its KE will be which of
the following?
a. Reduced to one-eighth
b. Increased twofold
c. Reduced twofold

,d. Not changed
ANS: a
Kinetic energy = 1/2(mass of object × square of velocity it is traveling,
or mv2) or KE = 1/2(V × V). If the velocity is reduced by half, then KE =
1/2(1/2V × 1/2V), or 1/2(1/2) = 1/8 reduction.
PTS: 1

7. Energy that is stored in an object is called which of the following?
a. Kinetic
b. Potential
c. Chemical
d. Mechanical

ANS: b
Energy that is stored or possessed by an object because of its position is
called potential energy. Mechanical energy can be divided into either KE
or potential energy. Chemical potential energy often refers to the bonds
in petroleum oils that, if broken, can be converted to KE.
PTS: 1

8. The potential energy of a compressed spring is known as which of the
following?

a. Gravitational
b. Chemical
c. Inelastic
d. Elastic

ANS: d
The potential energy stored in a compressed spring is called elastic
potential energy. This energy is released when the spring is allowed to
uncoil. Gravitational potential energy is the energy an object possesses if
it is held above any surface, energy that the object's weight gains as it
falls. Chemical potential energy resides in the chemical bonds of the
atoms that make up the object. Inelastic potential energy would not

, apply once the spring is compressed.
PTS: 1

9. The energy stored in heating oil is known as which of the following?
a. Elastic
b. Atomic
c. Chemical
d. Gravitational

ANS: c
Petroleum reserves of coal, oil, and gas represent chemical potential
energy by virtue of the chemical bond that must be broken to release
energy. Heating oil potential energy has chemical-to-chemical bonds.
Atomic energy involves two processes-fission (splitting atoms) and
fusion (joining two atoms).
PTS: 1

10. The kinetic theory holds that

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.

ANS: d
KE is the energy an object possesses while in motion.
PTS: 1

11. Which is the correct order for increasing size?
a. Atoms, molecules, mixtures, compounds, elements
b. Atoms, elements, molecules, compounds, mixtures
c. Elements, atoms, molecules, compounds, mixtures
d. Atoms, elements, mixtures, molecules, compounds

ANS: b
All matter, whether in gas, liquid, or solid form, is made up of atoms

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