GMS6402 /
Pulmonary
/ /
Final Exam Questions With Correct Answers
/ // // // // //
What //is //Atmospheric //O2? //- //correct //answer(s) //✔✔ //160 //mmHg
What //is //Inspired //O2? //- //correct //answer(s) //✔✔ //150 //mmHg
What //is //Alveolar //O2? //- //correct //answer(s) //✔✔ //100 //mmHg
What //is //Arterial //O2 //(PaO2)? //- //correct //answer(s) //✔✔ //100 //mmHg
What //is //Arterial //CO2 //(PaCO2)? //- //correct //answer(s) //✔✔ //40 //mmHg
What //is //the //formula //for //compliance? //- //correct //answer(s) //✔✔ //C //= //deltaV /// //deltaP
change //in //lung //volume/ //change //in //pressure
The /
/vast /
/majority /
/of //the //total //surface //area //of //the //lung //is //found //in //the //- //correct //answer(s) //✔✔ //alveoli
All /
/of /
/the /
/following /
/can //be //measured //via //spirometry //EXCEPT: //tidal //volume, //vital //capacity, //functional //residual
,//capacity, /
/inspiratory /
/capacity, //expiratory //reserve //volume //- //correct //answer(s) //✔✔ //Functional //residual //capacity
Briefly /
/describe /
/how /
/the /
/radii /
/of /
/the /
/various /
/tubes /
/change /
/as /
/we /
/move /
/from /
/the /
/trachea //to //the //alveoli //- //correct //answer(s) //✔✔ //The //radii //of //the //tubules //decrease //due //to
//shredding //of //epithelial //cells. //Conducting //zones //(g0-
16) /
/are //surrounded //by //columnar //or //cuboidal //epithelia, //thick //layers //of //cartilage, //and //smooth
//muscle. //Respiratory //zones //(g17-
23) /
/are /
/surrounded /
/by /
/type //
I/
/and /
/II /
/epithelia. /
/The /
/absence /
/of /
,/columnar/cuboidal /
/epithelia, //cartilage //and //smooth //muscle //results //in //a //much //smaller //radius.
What //is //the //Transpulmonary //pressure //if //pleural //pressure //is //-
7 //cm //H2O //and //alveolar //pressure //is //-3 //cm //H2O? //- //correct //answer(s) //✔✔ //+4 //cm //H2O
A/
/lung /
/compliance /
/test /
/indicates /
/that //
a //
3/
/cm /
/H2O /
/change /
/in /
/thanspulmonary /
/pressure /
/generates //
a/
/0.9 //
L/
/change //in //lung //volume. //What //is //this //patient's //lung //compliance? //- //correct //answer(s) //✔✔
//0.3 //L //air/cm //H2O
Airway /
/resistance //across //a //set //of //airways //is //lowest //under //which //of //the //following //conditions?
-airway //radius //is //large //and //the //length //of //the //tube //is //large
-airway //radius //is //large //and //the //length //of //the //tube //is //small
-airway //radius //is //small //and //airways //are //in //series. //
-airway //radius //is //small //and //airways //are //in //parallel. //
, -
airway /
/radius /
/is /
/large /
/and /
/gas /
/viscosity /
/is /
/increased //- /
/correct //answer(s) //✔✔ //airway //radius //is //large //and //the //length //of //the //tube //is //small
As /
/the /
/lungs /
/fill /
/with /
/air /
/and /
/we /
/move /
/from //
a/
/low //lung //volume //to //higher //lung //volumes, //airway //resistance //will //- //correct //answer(s) //✔✔
//decrease //exponentially
What //is //the //typical //Tidal //Volume? //- //correct //answer(s) //✔✔ //normal //breathing, //0.5 //L
What /
/is /
/the /
/typical /
/expiratory /
/reserve /
/volume? //- //correct //answer(s) //✔✔ //air //expelled //after //normal //tidal //volume //expiration, //2L
Pulmonary
/ /
Final Exam Questions With Correct Answers
/ // // // // //
What //is //Atmospheric //O2? //- //correct //answer(s) //✔✔ //160 //mmHg
What //is //Inspired //O2? //- //correct //answer(s) //✔✔ //150 //mmHg
What //is //Alveolar //O2? //- //correct //answer(s) //✔✔ //100 //mmHg
What //is //Arterial //O2 //(PaO2)? //- //correct //answer(s) //✔✔ //100 //mmHg
What //is //Arterial //CO2 //(PaCO2)? //- //correct //answer(s) //✔✔ //40 //mmHg
What //is //the //formula //for //compliance? //- //correct //answer(s) //✔✔ //C //= //deltaV /// //deltaP
change //in //lung //volume/ //change //in //pressure
The /
/vast /
/majority /
/of //the //total //surface //area //of //the //lung //is //found //in //the //- //correct //answer(s) //✔✔ //alveoli
All /
/of /
/the /
/following /
/can //be //measured //via //spirometry //EXCEPT: //tidal //volume, //vital //capacity, //functional //residual
,//capacity, /
/inspiratory /
/capacity, //expiratory //reserve //volume //- //correct //answer(s) //✔✔ //Functional //residual //capacity
Briefly /
/describe /
/how /
/the /
/radii /
/of /
/the /
/various /
/tubes /
/change /
/as /
/we /
/move /
/from /
/the /
/trachea //to //the //alveoli //- //correct //answer(s) //✔✔ //The //radii //of //the //tubules //decrease //due //to
//shredding //of //epithelial //cells. //Conducting //zones //(g0-
16) /
/are //surrounded //by //columnar //or //cuboidal //epithelia, //thick //layers //of //cartilage, //and //smooth
//muscle. //Respiratory //zones //(g17-
23) /
/are /
/surrounded /
/by /
/type //
I/
/and /
/II /
/epithelia. /
/The /
/absence /
/of /
,/columnar/cuboidal /
/epithelia, //cartilage //and //smooth //muscle //results //in //a //much //smaller //radius.
What //is //the //Transpulmonary //pressure //if //pleural //pressure //is //-
7 //cm //H2O //and //alveolar //pressure //is //-3 //cm //H2O? //- //correct //answer(s) //✔✔ //+4 //cm //H2O
A/
/lung /
/compliance /
/test /
/indicates /
/that //
a //
3/
/cm /
/H2O /
/change /
/in /
/thanspulmonary /
/pressure /
/generates //
a/
/0.9 //
L/
/change //in //lung //volume. //What //is //this //patient's //lung //compliance? //- //correct //answer(s) //✔✔
//0.3 //L //air/cm //H2O
Airway /
/resistance //across //a //set //of //airways //is //lowest //under //which //of //the //following //conditions?
-airway //radius //is //large //and //the //length //of //the //tube //is //large
-airway //radius //is //large //and //the //length //of //the //tube //is //small
-airway //radius //is //small //and //airways //are //in //series. //
-airway //radius //is //small //and //airways //are //in //parallel. //
, -
airway /
/radius /
/is /
/large /
/and /
/gas /
/viscosity /
/is /
/increased //- /
/correct //answer(s) //✔✔ //airway //radius //is //large //and //the //length //of //the //tube //is //small
As /
/the /
/lungs /
/fill /
/with /
/air /
/and /
/we /
/move /
/from //
a/
/low //lung //volume //to //higher //lung //volumes, //airway //resistance //will //- //correct //answer(s) //✔✔
//decrease //exponentially
What //is //the //typical //Tidal //Volume? //- //correct //answer(s) //✔✔ //normal //breathing, //0.5 //L
What /
/is /
/the /
/typical /
/expiratory /
/reserve /
/volume? //- //correct //answer(s) //✔✔ //air //expelled //after //normal //tidal //volume //expiration, //2L
