Alveolar Ventilation

Question 1 of 11

Medal-premium 1

All of the following are true except

Select one of the following:

  • Minute Ventilation = f(tidal volume)

  • Alveolar Ventilation = f(tidal volume-dead space)

  • dead space ventilation + alveolar ventilation = Tidal volume

  • dead space = convert patient's weight in kgs to ml

Question 2 of 11

Medal-premium 1

A 32 yr old male has been running on a treadmill for 15 min. What are the most likely changes in the values below compared to rest?

Select one of the following:

  • CO2 Production (VCO2) increases

  • Alveolar Ventilation increased

  • PACO2 doesn't change

  • all of the above are correct

Question 3 of 11

Medal-premium 1

The amount of CO2 produced per minute is <= to the amount of oxygen consumed

Select one of the following:

  • True
  • False

Question 4 of 11

Medal-premium 1

RQ (Respiratory Quotient) = ratio of METABOLIC production of CO2 to O2 consumption Whereas Respiratory gas exchange ration R = CO2 production/O2 consumed at the lung

Select one of the following:

  • True
  • False

Question 5 of 11

Medal-premium 1

Which of the following statement is false

Select one of the following:

  • Hyperventilation means that alveolar ventilation exceeds CO2 production

  • Hypoventilation means that alveolar ventilation is less than CO2 production

  • During exercise hyperventilation is normal

  • all statements are true

Question 6 of 11

Medal-premium 1

When CO2 production doubles the alveolar ventilation doubles

Select one of the following:

  • True
  • False

Question 7 of 11

Medal-premium 1

The STPD volumes are about 20% smaller than BTPS. (because water vapor and increased temperature increase the volume of the gas)

Select one of the following:

  • True
  • False

Question 8 of 11

Medal-premium 1

Dalton's law of Partial pressures

Select one of the following:

  • The total pressure of a mixed gas is the sum of the individual partial pressures of each gas

  • in air FiO2 never changes but the barometric pressure does change based on the sea level

  • PB = PO2 + PCO2 + Pwv + PN2

  • PO2 at sea level = 160 mmHg

  • All of the above are true

Question 9 of 11

Medal-premium 1

Regarding PO2

Select one of the following:

  • In ambient air is 160 mmHg

  • In bronchioles it is 150 mmHg (because water vapor was added about 10 mmHg so that is subtracted

  • Alveoli it is 100 mmHg because O2 is diffusing into the blood

  • all of the above are true

Question 10 of 11

Medal-premium 1

Regarding Dead space all of the following are true except?

Select one of the following:

  • Humidifies air

  • Warms inspired air

  • removes particulate matter

  • gas exchange

Question 11 of 11

Medal-premium 1

Increase in Physiologic dead space

Select one of the following:

  • PaO2 decreased

  • PaCO2 increased

  • P expired CO2 decreased

  • P expired O2 increased

  • All of the above are correct

Icon_fullscreen

Alveolar Ventilation

radven
Quiz by , created about 1 year ago

questions

Eye 7
Pin 0
Balloon-left 0
Tags
radven
Created by radven about 1 year ago
Close