TPATC/CFRN QUESTIONS AND
ANSWERS 2025
lapse urate u- uCorrect uAnswer-the uchange uin utemperature uaverages u3.5 udegrees uF uevery
u1000 ufeet.
Boyle's uLaw u- uCorrect uAnswer-A uprinciple uthat udescribes uthe urelationship ubetween uthe
upressure uand uvolume uof ua ugas uat uconstant utemperature
Boyle's uLaw uconsideration u- uCorrect uAnswer--leave uOG/NG uopen uto uvent uthe ustomach
-ETT ucuff upressure uchanges
Charles' uLaw u- uCorrect uAnswer-the ulaw uthat ustates uthat ufor ua ufixed uamount uof ugas uat ua
uconstant upressure, uthe uvolume uof uthe ugas uincreases uas uthe utemperature uof uthe ugas
uincreases uand uthe uvolume uof uthe ugas udecreases uas uthe utemperature uof uthe ugas
udecreases
Gay-Lussac's uLaw u- uCorrect uAnswer-the upressure uin uan uoxygen utank uwill uincrease uas
uthe uenvironment utemperature uincreases
Combined uGas uLaw u- uCorrect uAnswer-the urelationship ubetween uthe upressure, uvolume,
uand utemperature uof ua ufixed uamount uof ugas
Combined uGas uLaw u- uCorrect uAnswer-the ueffects uof upressure uare ugreater uthan uthe
ueffects uof utemperature
Dalton's uLaw u- uCorrect uAnswer-total upressure uof ua umixture uof ugas uis uequal uto uthe usum
uof uthe upartial upressure uof ueach ugas uin uthe umixture
Graham's uLaw u- uCorrect uAnswer-diffusion uin uwhich ugases umigrate ufrom uhigh uto ulow
uconcentration
Henry's uLaw u- uCorrect uAnswer-amount uof ugas udissolved uin ua usolution uvaries udirectly
uwith uthe upressure uon uthe ugas uabove uthe usolution.
decompression usickness u- uCorrect uAnswer-Henry's ulaw
Dysbarism u- uCorrect uAnswer-collection uof usymptoms ufrom uexposure uto uchanging uair
upressure uor uan uevolved ugas udisorder ufrom ua ureduction uin uatmospheric upressure
Barotrauma u- uCorrect uAnswer-the uresulting utissue udamage uor uinjury ufrom ufailure uto
uequalize uwith uthe usurrounding uenvironment
ANSWERS 2025
lapse urate u- uCorrect uAnswer-the uchange uin utemperature uaverages u3.5 udegrees uF uevery
u1000 ufeet.
Boyle's uLaw u- uCorrect uAnswer-A uprinciple uthat udescribes uthe urelationship ubetween uthe
upressure uand uvolume uof ua ugas uat uconstant utemperature
Boyle's uLaw uconsideration u- uCorrect uAnswer--leave uOG/NG uopen uto uvent uthe ustomach
-ETT ucuff upressure uchanges
Charles' uLaw u- uCorrect uAnswer-the ulaw uthat ustates uthat ufor ua ufixed uamount uof ugas uat ua
uconstant upressure, uthe uvolume uof uthe ugas uincreases uas uthe utemperature uof uthe ugas
uincreases uand uthe uvolume uof uthe ugas udecreases uas uthe utemperature uof uthe ugas
udecreases
Gay-Lussac's uLaw u- uCorrect uAnswer-the upressure uin uan uoxygen utank uwill uincrease uas
uthe uenvironment utemperature uincreases
Combined uGas uLaw u- uCorrect uAnswer-the urelationship ubetween uthe upressure, uvolume,
uand utemperature uof ua ufixed uamount uof ugas
Combined uGas uLaw u- uCorrect uAnswer-the ueffects uof upressure uare ugreater uthan uthe
ueffects uof utemperature
Dalton's uLaw u- uCorrect uAnswer-total upressure uof ua umixture uof ugas uis uequal uto uthe usum
uof uthe upartial upressure uof ueach ugas uin uthe umixture
Graham's uLaw u- uCorrect uAnswer-diffusion uin uwhich ugases umigrate ufrom uhigh uto ulow
uconcentration
Henry's uLaw u- uCorrect uAnswer-amount uof ugas udissolved uin ua usolution uvaries udirectly
uwith uthe upressure uon uthe ugas uabove uthe usolution.
decompression usickness u- uCorrect uAnswer-Henry's ulaw
Dysbarism u- uCorrect uAnswer-collection uof usymptoms ufrom uexposure uto uchanging uair
upressure uor uan uevolved ugas udisorder ufrom ua ureduction uin uatmospheric upressure
Barotrauma u- uCorrect uAnswer-the uresulting utissue udamage uor uinjury ufrom ufailure uto
uequalize uwith uthe usurrounding uenvironment
