Chapter 6- Gas Laws

Question 1

Henry’s law

Answer 1

Amount of gas that dissolves in a liquid is proportional to the partial pressure of gas.

Amount of O2 that’s dissolves in blood is
0.003 ml/100 ml blood/ mmHg

=PaO2 X 0.003

O2 dissolved when PO2 is 100mmHg
100 x 0.003 = 0.3ml/ 100 ml of blood

02 dissolved when PO2 is 500mmHg
500 x 0.003 = 1.5 ml/ 100 ml of blood

Question 2

Law of conservation of mass

Answer 2

Matter is not created nor destroyed

Question 3

Law of definite proportions

Answer 3

Even when compounds are broke up, you will still have the same amount of elements. No new ones will be created. If you start with 5 water molecules, you will still have 5 oxygens and 10 hydrogens even if they broke up

Question 4

Newton’s first law

Answer 4

An object moving at rest or moving at constant speed in a straight line will continue in that state until a net external force acts upon it

Question 5

Newton’s second law (law of acceleration

Answer 5

Force is equal to mass times acceleration.

If multiple forces, the direction and acceleration are proportional to the sum of all forces. These are called vectors

Question 6

Newton’s third law ( reciprocal action)

Answer 6

For every action, there is equal and opposite reaction

Question 7

Force is what

Answer 7

The amount of energy required to move an object

Question 8

Poiseuille’s law

Answer 8

Increasing radius of IV (decreasing gauge) increase flow.

For PRBCs : use normal saline to dilute, pressure bag, and large bore IV to infuse

Question 9

Pascals principle

Answer 9

If you increase the pressure to confined fluid, the pressure throughout the fluid is increased by the same amount