TCU CRNA SCIENCE NA TEST 2 -
PRACTICE QUESTIONS WITH
CORRECT ANSWERS
What is viscosity? - ....ANSWER ...-*The physical characteristic that unifies gases
and liquids
*Refers to their resistance to the rate of deformation
At what temperature do liquids boil? - ....ANSWER ...-Liquids boil at any
temperature at which the vapor pressure is equal to or exceeds atmospheric pressure.
What is the clinical importance of the alveolar gas equation? - ....ANSWER ...-
PAO2 = FIO2 (PATM - PH20) - PACO2 / respiratory quotient
0.21 (760 - 47mmHg) - 40 mmHg / 0.8
0.21 (713) - 50
149.73 - 50
99.73 mmHg >> alveolar O2
*Vapor pressure is independent of ATM, it is only contingent on temperature. However,
an increase or decrease in the ATM has a direct effect on the PaO2 in the alveoli*
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 1
, What measures fluid pressure that is no greater than one atmosphere? -
....ANSWER ...-manometer
what unit of pressure utilized to measure high gas pressures such as gas pipelines? -
....ANSWER ...-Bar
_____________ is any pressure above atmospheric pressure - ....ANSWER ...-
Gauge pressure
What type of gauges are found on gas cylinders and pipeline supplies ? -
....ANSWER ...-Bourdon gauges
What type of gauges are used to measure low pressures such as blood pressure ? -
....ANSWER ...-Aneroid gauges
What does 1mmHg= ? - ....ANSWER ...-1.36cmH20
What is cmH20 primarily used to measure? - ....ANSWER ...-Low pressures for
example chest tube
Density of water is? - ....ANSWER ...-1 which is directly proportional to height
What happens to your "blood pressure reading" when you raise the transducer? -
....ANSWER ...-Get a Falsely low BP
What happens you lower transducer to "BP" - ....ANSWER ...-falsely hight BP
Normal venous pressure at the capillary level is approximately - ....ANSWER ...-
27mmHg
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 2
PRACTICE QUESTIONS WITH
CORRECT ANSWERS
What is viscosity? - ....ANSWER ...-*The physical characteristic that unifies gases
and liquids
*Refers to their resistance to the rate of deformation
At what temperature do liquids boil? - ....ANSWER ...-Liquids boil at any
temperature at which the vapor pressure is equal to or exceeds atmospheric pressure.
What is the clinical importance of the alveolar gas equation? - ....ANSWER ...-
PAO2 = FIO2 (PATM - PH20) - PACO2 / respiratory quotient
0.21 (760 - 47mmHg) - 40 mmHg / 0.8
0.21 (713) - 50
149.73 - 50
99.73 mmHg >> alveolar O2
*Vapor pressure is independent of ATM, it is only contingent on temperature. However,
an increase or decrease in the ATM has a direct effect on the PaO2 in the alveoli*
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 1
, What measures fluid pressure that is no greater than one atmosphere? -
....ANSWER ...-manometer
what unit of pressure utilized to measure high gas pressures such as gas pipelines? -
....ANSWER ...-Bar
_____________ is any pressure above atmospheric pressure - ....ANSWER ...-
Gauge pressure
What type of gauges are found on gas cylinders and pipeline supplies ? -
....ANSWER ...-Bourdon gauges
What type of gauges are used to measure low pressures such as blood pressure ? -
....ANSWER ...-Aneroid gauges
What does 1mmHg= ? - ....ANSWER ...-1.36cmH20
What is cmH20 primarily used to measure? - ....ANSWER ...-Low pressures for
example chest tube
Density of water is? - ....ANSWER ...-1 which is directly proportional to height
What happens to your "blood pressure reading" when you raise the transducer? -
....ANSWER ...-Get a Falsely low BP
What happens you lower transducer to "BP" - ....ANSWER ...-falsely hight BP
Normal venous pressure at the capillary level is approximately - ....ANSWER ...-
27mmHg
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 2
