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RESP 1230 Resipiratory Therapy Fundamnetals > Respiratory Physical Fundamentals > Flashcards

Respiratory Physical Fundamentals Flashcards

1
Q

What are the States of Matter

A

Gas, Liquids, Solids, Plasma

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2
Q

Solid Characteristics

A

Internal order, Limited Motion, Van Der Waal Forces

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3
Q

Liquid Characteristics

A

Capable of Flow, Mutual Attraction, Take-on-shape of Container, Not easily compressed

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4
Q

Gas Characteristics

A

Weak Attractive Forces, Capable of Flow, Easily Compressed, No Boundaries

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5
Q

Internal Energy of Matter

A

Kinetic Energy, Potential Energy

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6
Q

Are Temperature and Kinetic Energy related?

A

Yes they are propotional

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7
Q

What is the 1st Law of Thermodynamics?

A

Energy can neither be created or destroyed only transformed in Nature. A substance must gain exactly equal the energy lost by its surroundings. Based on this law, you can increase the internal energy of an objectby heating or preforming work on it.

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8
Q

What are the four forms of heat transfer?

A

Conduction, Convection, Radiation, Vaporization.

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9
Q

What is Conduction?

A

A direct contact form of heat that is the primary method for solids.

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10
Q

What is Convection?

A

Heat carried by currents from the original location to another location. Fluid and Gas use this form primarly.

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11
Q

What is Radiation?

A

When electromagnetic waves travel though space and come in contact with an object. Is not direct contact. Used to keep newborns warm.

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12
Q

What is Vaporization??

A

This occurs when liquid changes to a gas using the heat from the surrondings.

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13
Q

What is Condensation?

A

This occurs when Gas changes to a liquid and gives back heat to the surroundings..

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14
Q

What is temperature?

A

The measure of average kinetic energy in a substance.

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15
Q

What is Temperature measured in?

A

Kelvin, Celsius, Fahrenheit.

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16
Q

What is degrees Kelvin?

A

it is an international system of units (UI). Based on molecular motion & The triple point definition of water ≅ 273 K (0.0 C). Absolute Zero is where there is no kinetic energy present 0 K and impossible to achieve.

17
Q

What is Celcsius?

A

Scale based on the metric system used with MTF.

18
Q

Normal Celcsius levels.

A

Absolute 0= -273C. Freezing=0C, Boiling= 100C. and Human Body Temp= 37C

19
Q

What is Fahrenheit?

A

A British system of measurement commonly used in America.

20
Q

Normal Fahrenheit levels?

A

Absolute 0=-460F. Freezing= 32F. Boiling=212F. And Human Body Temp=98.6F.

21
Q

What formula do you use to convert Celsius to Kelvin and reverse it back?

A

K=C+273
C=K-273

22
Q

What formulas can convert Celcsius to Fahrenhite?

A

F= [(9/5) x C) +32
F= (Cx1.8) +32

23
Q

What Formulas convert Fahrenhite to Celcsius?

A

C= (9/5)(F-32)
C= (F-32)/1.8

24
Q

What is Melting Point?

A
25
Q

What is Freezing Point?

A
26
Q

What is Latent Energy?

A
27
Q

How do you find the Pressure of LIquids?

A

P^L=H x Dw
Pressure = height times densityweight

28
Q

What is equal to 1 atmospheric pressure?

A

760mmHg, 14.7 lb/in^2, 1034 g/cm^2

29
Q

Pacal’s Principle

A

A given liquids pressure is the same at any specific depth regardless of shape.

30
Q

What is Archimedes’ Principle

A

(Bouyancy) B=D^w x V
Liquids exert a bouyant force becasue the pressure below the submerged object always exceeds the pressure above.

31
Q

Do gases exhibit bouyancy

A

Yes, it helps keeps solid particles suspend in gases (aerosols)

32
Q

Whatis Viscocity

A

how well gas or liquids flow. Inversely related to temperature.

33
Q

What is Cohesion

A

the attractive force of molecules between like molecules (Convex shape)

34
Q

What is Adhesion

A

the attractive force of molecules between unlike molecules (concave shape)

35
Q

What is Surface Tension

A

force exerted by like molecules at the liquids surface. Inversly affected by temperaturn.

36
Q

Capillary Action

A

when a fluid in a small tube moves against gravity.

RESP 1230 Resipiratory Therapy Fundamnetals (1 decks)

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