BMS 420 Exam 3 Questions With
Complete Solutions
primary fx of respiratory system - ANSWER✔✔✔-provide o2 and
| | | | | | | | |
remove co2 necessary to meet metabolic needs of entire body
| | | | | | | | |
lungs receive how much of the CO from the RV? - ANSWER✔✔✔-100
| | | | | | | | | | |
pulmonary structures receive blood from what circulation -
| | | | | | | |
ANSWER✔✔✔-systemic
the respiratory circulation is in parallel or series. why - ANSWER✔✔✔-
| | | | | | | | | |
parallel (less resistance), low pressure, low velocity
| | | | | |
the short distance between lungs and heart allows for - ANSWER✔✔✔-
| | | | | | | | | |
lower operating pressure
| |
lower operating pressure allows for the blood-gas barrier to be -
| | | | | | | | | | |
ANSWER✔✔✔-thin without rupturing | |
functional unit of the respiratory system - ANSWER✔✔✔-alveoli
| | | | | | |
,blood flow through pulmonary capillaries is - ANSWER✔✔✔-sheet flow
| | | | | | | |
Boyle's law - ANSWER✔✔✔-at a constant temp, the volume of a given
| | | | | | | | | | | |
mass of gas varies inversely to its pressure
| | | | | | |
significance of Boyle's law - ANSWER✔✔✔-ventilation
| | | | |
ventilation: inspiration - ANSWER✔✔✔-thoracic volume up, intrapulm
| | | | | | |
pressure decreases (inspiration)
| |
Henry's law - ANSWER✔✔✔-amount of gas in solution varies directly
| | | | | | | | | |
with the partial pressure of gas over the solution
| | | | | | | |
Henry's law is effected by - ANSWER✔✔✔-solubility of gas, temp of
| | | | | | | | | | |
liquid, partial pressure of gas
| | | |
henry's law assumptions - ANSWER✔✔✔-gas doesn't react with solVent
| | | | | | | |
gas doesn't bind to other molecules
| | | | |
significance of Henry's law - ANSWER✔✔✔-dissolved gas in blood
| | | | | | | |
evolved gas disorders | |
,Dalton's Law of Partial Pressures - ANSWER✔✔✔-total pressure exerted
| | | | | | | |
is equal to the sum of partial pressures of individual gases
| | | | | | | | | | |
dalton's law significance - ANSWER✔✔✔-pressure gradients
| | | | |
the % of each gas in the atmosphere is ?? no matter the altitude -
| | | | | | | | | | | | | | |
ANSWER✔✔✔-constant (pgas = pb x %gas) | | | | |
partial pressure of oxygen in the lungs is always less/greater than Po2 in
| | | | | | | | | | | | |
the air - ANSWER✔✔✔-less
| | |
fick's law of diffusion describes - ANSWER✔✔✔-diffusion of gas across a
| | | | | | | | | |
|membrane
fick's equation - ANSWER✔✔✔-volgas = a * S * deltaP /(sqrt mw x
| | | | | | | | | | | | |
Thickness)
CO2 is more or less soluble that o2? diffusion? - ANSWER✔✔✔-24 x
| | | | | | | | | | | |
more co2 diffusion is 20x as rapid given same partial p difference
| | | | | | | | | | |
effect if pneumonia on the movement of gases - ANSWER✔✔✔-
| | | | | | | | |
decrease movement |
, conducting zone - ANSWER✔✔✔-move air between alveoli and
| | | | | | | |
external environment
|
conditions air |
respiratory zone - ANSWER✔✔✔-gas exchange
| | | |
Pharynx - ANSWER✔✔✔-throat
| |
Larynx - ANSWER✔✔✔-voice box
| | |
Trachea - ANSWER✔✔✔-Allows air to pass to and from lungs
| | | | | | | | |
primary bronchi - ANSWER✔✔✔-The first branches of the trachea.
| | | | | | | | |
There are two primary bronchi, one for each lung.
| | | | | | | |
terminal bronchioles - ANSWER✔✔✔-
| | |
Alveoli - ANSWER✔✔✔-
| |
alveolar ducts - ANSWER✔✔✔-
| | |
Complete Solutions
primary fx of respiratory system - ANSWER✔✔✔-provide o2 and
| | | | | | | | |
remove co2 necessary to meet metabolic needs of entire body
| | | | | | | | |
lungs receive how much of the CO from the RV? - ANSWER✔✔✔-100
| | | | | | | | | | |
pulmonary structures receive blood from what circulation -
| | | | | | | |
ANSWER✔✔✔-systemic
the respiratory circulation is in parallel or series. why - ANSWER✔✔✔-
| | | | | | | | | |
parallel (less resistance), low pressure, low velocity
| | | | | |
the short distance between lungs and heart allows for - ANSWER✔✔✔-
| | | | | | | | | |
lower operating pressure
| |
lower operating pressure allows for the blood-gas barrier to be -
| | | | | | | | | | |
ANSWER✔✔✔-thin without rupturing | |
functional unit of the respiratory system - ANSWER✔✔✔-alveoli
| | | | | | |
,blood flow through pulmonary capillaries is - ANSWER✔✔✔-sheet flow
| | | | | | | |
Boyle's law - ANSWER✔✔✔-at a constant temp, the volume of a given
| | | | | | | | | | | |
mass of gas varies inversely to its pressure
| | | | | | |
significance of Boyle's law - ANSWER✔✔✔-ventilation
| | | | |
ventilation: inspiration - ANSWER✔✔✔-thoracic volume up, intrapulm
| | | | | | |
pressure decreases (inspiration)
| |
Henry's law - ANSWER✔✔✔-amount of gas in solution varies directly
| | | | | | | | | |
with the partial pressure of gas over the solution
| | | | | | | |
Henry's law is effected by - ANSWER✔✔✔-solubility of gas, temp of
| | | | | | | | | | |
liquid, partial pressure of gas
| | | |
henry's law assumptions - ANSWER✔✔✔-gas doesn't react with solVent
| | | | | | | |
gas doesn't bind to other molecules
| | | | |
significance of Henry's law - ANSWER✔✔✔-dissolved gas in blood
| | | | | | | |
evolved gas disorders | |
,Dalton's Law of Partial Pressures - ANSWER✔✔✔-total pressure exerted
| | | | | | | |
is equal to the sum of partial pressures of individual gases
| | | | | | | | | | |
dalton's law significance - ANSWER✔✔✔-pressure gradients
| | | | |
the % of each gas in the atmosphere is ?? no matter the altitude -
| | | | | | | | | | | | | | |
ANSWER✔✔✔-constant (pgas = pb x %gas) | | | | |
partial pressure of oxygen in the lungs is always less/greater than Po2 in
| | | | | | | | | | | | |
the air - ANSWER✔✔✔-less
| | |
fick's law of diffusion describes - ANSWER✔✔✔-diffusion of gas across a
| | | | | | | | | |
|membrane
fick's equation - ANSWER✔✔✔-volgas = a * S * deltaP /(sqrt mw x
| | | | | | | | | | | | |
Thickness)
CO2 is more or less soluble that o2? diffusion? - ANSWER✔✔✔-24 x
| | | | | | | | | | | |
more co2 diffusion is 20x as rapid given same partial p difference
| | | | | | | | | | |
effect if pneumonia on the movement of gases - ANSWER✔✔✔-
| | | | | | | | |
decrease movement |
, conducting zone - ANSWER✔✔✔-move air between alveoli and
| | | | | | | |
external environment
|
conditions air |
respiratory zone - ANSWER✔✔✔-gas exchange
| | | |
Pharynx - ANSWER✔✔✔-throat
| |
Larynx - ANSWER✔✔✔-voice box
| | |
Trachea - ANSWER✔✔✔-Allows air to pass to and from lungs
| | | | | | | | |
primary bronchi - ANSWER✔✔✔-The first branches of the trachea.
| | | | | | | | |
There are two primary bronchi, one for each lung.
| | | | | | | |
terminal bronchioles - ANSWER✔✔✔-
| | |
Alveoli - ANSWER✔✔✔-
| |
alveolar ducts - ANSWER✔✔✔-
| | |
