Which of the following instruments is used to check the accuracy and precision of volume
measurements from a body plethysmography?
a. rotameter
b. super syringe
c. isothermal lung
d. a normal subject Correct Ans-c. isothermal lung
which of the following does the Clark electrode directly measure?
a. electric potential
b. current change
c. equilibration
d. gas diffusion Correct Ans-b. current change
the accuracy of a pulse oximeter is affected by all of the following EXCEPT:
a. high COHb levels
b. hand tremors
c. peripheral vasodilation
d. bright ambient lights Correct Ans-c. peripheral vasodilation
, PFT Mock Exam- Questions and Answers 100% Solved
all of the following are directly related to oxygen consumption, EXCEPT:
a. Vt
b. repsiratory rate
c: respiratory quotient
d. Arterial pH Correct Ans-d. arterial pH
in normal individuals, increased workload will have which of the following affects on oxygen
consumption and carbon dioxide production:
a. increased O2 consumption, decreased CO2 production
b. increased O2 consumption, increased CO2 production
c. decreased O2 consumption, decreased CO2 production
d. decreased O2 consumption, increased CO2 production Correct Ans-b. increase/increase
the best indication of adequate alveolar ventilation is:
a. pH
b. PaCO2
C: PaO2
D. O2 saturation Correct Ans-b. PaCo2
, PFT Mock Exam- Questions and Answers 100% Solved
All of the following are required for predicting normal values of spirometry testing EXCEPT:
a. height
b. weight
c. age
d. gender/sex Correct Ans-b. weight
according to ATS/ERS standards, flowrates should be reported at
a. BTPS
b. ATPS
c. STPD
d. ATPD Correct Ans-a. BTPS
The most sensitive test for determining the presence of smaller airways disease is:
a. FVC
b. FEV1
c. FEF (25-75%)
d. PEFR Correct Ans-c. FEF (25-75%)
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