Math & Units

Question 1

1/x or x^-1

derivative

integral

Answer 1

-x^-2

ln (x)

Question 2

e^ax

derivative

integral

Answer 2

-ae^ax

e^ax/ a

Question 3

ln (x)

derivative

integral

Answer 3

1 / x

x (ln (x)) - x

Question 4

Measure of molecular weight or mass

Answer 4

Dalton

Question 5

Pascal

Answer 5

Force / area

N / m²

Question 6

A frequency of 1 cycle per second

Answer 6

Hertz

Question 7

What is the air flow (L/min) if O2 is 1L/min and FiO2= 30?

Answer 7

7 L/min

Question 8

What is the volume of plasma withing the vascular area?

Answer 8

3 liters

Question 9

What is the volume of interstitial fluid in the extravascular space?

Answer 9

11 liters

Question 10

What type of fluid is D5W and plasmalyte?

Answer 10

crystalloid

Question 11

What type of fluid is hydroxyethyl starch like Hespan, Hextend?

Answer 11

colloid

Question 12

Isotonic crystalloid will equilibrate between the plasma and interstitial fluid. Therefore at equilibrium, only ___ to ___ of the administered volume will remain in the plasma.

Answer 12

1/4 to 1/3

Question 13

The washout curve to measure cardiac output is what type of curve?

Answer 13

negative exponential

Question 14

1 N / meter²

Answer 14

pressure is force/area

Pascal

Question 15

Energy expended when the point of application of a force of 1 Newton moves 1 meter in the direction of the force.

Answer 15

1 Joule = 1 N*m

Question 16

What is the rate of energy expenditure?

Answer 16

power (Watt)

1 Watt = Joule / second

Question 17

The difference of electrical potential between two points of a conductor, carrying a constant current of 1 ampere, when the power dissipated between these points is 1 watt.

Answer 17

V = W/A

Question 18

Estimated blood volume for:

• women
• men
• infants

Answer 18

• 60
• 70
• 80

Question 19

Answer 19

Cardiac output curve

High on left, low on right

Question 20

Thermal dilution technique for the measurement of cardiac output: what is the major change that is noted?

Answer 20

decrease in temperature

Question 21

time constant equation (2)

Answer 21

volume / flow

C * R (compliance * resistance)

Question 22

Compliance (C)

Answer 22

►V / ►P

Question 23

Volume a t seconds equation:

Answer 23

V_oe-^t/CR

Question 24

Preoxygenation is also known as ________

Answer 24

denitrogenation

Question 25

Deep breathing with a high fresh gas flow for ____ and tidal breathing for ______ are equally effective.

Answer 25

1.5 minutes

3 minutes

Question 26

An oxygen wash-in curve for example has the equation:

Answer 26

1-e^-x

Question 27

The FA/FI ratio rises more rapidly if _____ is increased from 2 to 8 L/min. Solubility modifies this impact of ventilation. The effect is ______ with the least soluble anesthetic, nitrous oxide and greatest with the more soluble anesthetic, halothane.

Answer 27

ventilation

least

Question 28

A constant pressure ventilation curve resembles what?

Answer 28

wash in curve

Question 29

FA/FI curves, for example, the increase of anesthetic partial pressures in body compartments for enflurane.

Name order of first to last body compartments.

Answer 29

• inspired gas
• alveolar
• vessels
• muscles
• fat

Question 30

The rise and fall of alveolar partial pressures precedes that of other tissues. True or false?

Answer 30

true

Question 31

A dose response curve represents what type of curve?

Answer 31

sigmoid