Lesson 1

Question 1

2% Lignocaine solution contains

Answer 1

2000mg / 100ml

Question 2

Oxygen content formula with hemoglobin

Answer 2

O2 content = (Hb * 1.34 * SpO2) + (PaO2 * 0.003)

Question 3

Oxygen content formula with PaO2

Answer 3

O2 content = PaO2 / Patm

Question 4

Saturation from O2 content

Answer 4

PaO2 / Patm * 100

Question 5

Formula for urinary clearance

Answer 5

UV / P

Question 6

GFR formula

Answer 6

(PGC - PBS) - (πPC - πBS)

Question 7

Alveolar ventilation formula

Answer 7

Tidal volume - Dead space * RR

Question 8

Dead space calculation from alveolar ventilation formula

Answer 8

Vd = Vt - (Va / RR)

Question 9

Physiological dead space is denoted by

Answer 9

Vd / Vt

Question 10

Physiological dead space formula with PaCO2 and PeCO2

Answer 10

Vd/Vt = PaCO2 - PeCO2 / PaCO2

Question 11

Value of FiO2 (Fraction of inspired oxygen)

Answer 11

0.21 at room air

Question 12

Value of Patm

Answer 12

760 mmHg at sea level

Question 13

PH2O definition and value

Answer 13

Water vapour pressure in the alveolus and is usually 47mmHg at 37°C

Question 14

Respiratory Quotient value

Answer 14

0.8

Question 15

Respiratory Quotient value

Answer 15

0.8

Question 16

Cardiac Output Formula

Answer 16

CO = HR * SV

Question 17

Ejection Fraction formula

Answer 17

EF = SV / EDV

Question 18

Ejection Fraction formula

Answer 18

EF = SV / EDV

Question 19

Partial pressure of alveolar oxygen formula

Answer 19

PaO2 = FiO2 * (Patm - PH2O) - PaCO2 / RespQ

Question 20

Partial pressure of alveolar oxygen formula

Answer 20

PaO2 = FiO2 * (Patm - PH2O) - PaCO2 / RespQ