FT Monitor Certification 2025-2026
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art A: Multiple Choice (Q1–70)
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Q1 (Spirometry Acceptability): A patient performs an FVC maneuver with a back-extrapolated
volume of 180 mL and an FVC of 3.0 L. Is this maneuver acceptable according to ATS/ERS
2019 standards?
A. Yes, because the back-extrapolated volume is less than 150 mL.
B. Yes, because the back-extrapolated volume is less than 5% of FVC.
C. No, because the back-extrapolated volume exceeds 5% of FVC.
D. No, because the back-extrapolated volume exceeds 150 mL regardless of FVC.
[CORRECT] C
Rationale: ATS/ERS 2019 criteria require back-extrapolated volume to be <5% of FVC or <150
mL, whichever is smaller. Here 5% of 3.0 L = 150 mL; actual 180 mL exceeds 150 mL, making
the maneuver unacceptable. Distractor D ignores that the 150 mL threshold is not absolute
when FVC is very small – the primary standard uses % FVC first, then absolute.
Q2 (Calibration Frequency): According to NBRC and ATS/ERS standards, how frequently must
a spirometer be calibrated with a 3-L syringe?
A. Weekly
B. Daily, before patient testing begins
C. After every patient
D. Monthly
[CORRECT] B
Rationale: ATS/ERS 2019 spirometry standards mandate daily calibration verification with a
certified 3-L syringe before patient testing begins. Distractor A (weekly) reflects biological
control testing frequency, not calibration verification.
Q3 (Spirometer Types): Which type of spirometer measures flow directly and calculates volume
by integration?
A. Water-sealed spirometer
B. Dry rolling seal spirometer
C. Pneumotachometer
D. Vitalograph
[CORRECT] C
, ationale: Pneumotachometers are flow-sensing devices that measure flow directly and
R
integrate flow over time to derive volume. Distractor A describes a volume-displacement device,
which measures volume directly and calculates flow by differentiation.
Q4 (Repeatability Criteria): A patient performs three acceptable FVC maneuvers with the
following results: FEV1 = 2.85 L, 2.92 L, 2.78 L; FVC = 3.45 L, 3.52 L, 3.38 L. Do these meet
ATS/ERS repeatability criteria?
A. Yes, because all values are within 150 mL of each other.
B. No, because the FEV1 range (140 mL) exceeds the limit.
C. Yes, because the two largest FEV1 and FVC values are within 150 mL.
D. No, because three maneuvers are insufficient.
[CORRECT] C
Rationale: ATS/ERS criteria require the two largest FEV1 and two largest FVC values to be
within 150 mL of each other. Here, the two largest FEV1 values (2.92 and 2.85) differ by 70 mL,
and the two largest FVC values (3.52 and 3.45) differ by 70 mL. Distractor A incorrectly applies
the criterion to all values rather than the two largest.
Q5 (Bronchodilator Withholding – SABA): A patient using albuterol PRN is scheduled for pre-
and post-bronchodilator spirometry. How long should albuterol be withheld before testing?
A. 2 hours
B. 4-6 hours
C. 8 hours
D. 12 hours
[CORRECT] B
Rationale: ATS/ERS guidelines recommend withholding short-acting beta-agonists (SABA) such
as albuterol for 4-6 hours before bronchodilator response testing. Distractor D (12 hours)
applies to long-acting beta-agonists (LABA).
Q6 (Bronchodilator Withholding – LABA): A patient on salmeterol is scheduled for spirometry.
How long should salmeterol be withheld?
A. 4-6 hours
B. 8 hours
C. 12 hours
D. 24 hours
[CORRECT] C
Rationale: Long-acting beta-agonists (LABA) such as salmeterol and formoterol should be
withheld for 12 hours before spirometry to assess baseline lung function accurately. Distractor A
applies to SABAs, not LABAs.
Q7 (Contraindications): Which of the following is an absolute contraindication to spirometry?
A. Recent myocardial infarction (within 1 month)
B. Pregnancy
C. Hypertension
D. Asthma
[CORRECT] A
Rationale: Recent myocardial infarction (within 1 month) is an absolute contraindication to
spirometry due to the risk of cardiac stress from forced expiratory maneuvers. Distractor B
(pregnancy) is a relative contraindication, not absolute.
, 8 (Contraindications): A patient had pneumothorax 2 weeks ago. Can spirometry be
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performed?
A. Yes, with physician approval
B. Yes, if the pneumothorax was small
C. No, until fully resolved (usually 1-2 months)
D. No, pneumothorax is never a contraindication
[CORRECT] C
Rationale: Recent pneumothorax is an absolute contraindication to spirometry until fully
resolved, typically requiring 1-2 months. Forced expiratory maneuvers could worsen or
re-expand the pneumothorax. Distractor A incorrectly suggests physician approval overrides the
absolute contraindication.
Q9 (Infection Control): According to CDC and ATS guidelines, how should a pneumotachometer
be cleaned between patients?
A. Wipe with alcohol only
B. Replace disposable flow sensor or use bacterial/viral filter
C. Soak in bleach for 5 minutes
D. No cleaning needed if a mouthpiece is used
[CORRECT] B
Rationale: Current infection control standards require either disposable flow sensors or inline
bacterial/viral filters with >99% efficiency to prevent cross-contamination. Distractor A is
insufficient for complete disinfection of internal components.
Q10 (Biological Control Testing): How frequently should biological control testing be performed
using a healthy staff member?
A. Daily
B. Weekly
C. Monthly
D. Quarterly
[CORRECT] B
Rationale: Biological control testing should be performed weekly using a healthy staff member to
verify spirometer accuracy and precision over time. Acceptable limits are typically ±3-5% for
FEV1 and FVC. Distractor A confuses biological control with daily calibration verification.
Q11 (Leak Check): During a leak check, a 3-L syringe is used to generate a flow. What is the
maximum acceptable leak rate?
A. 10 mL/min
B. 30 mL/min
C. 50 mL/min
D. 100 mL/min
[CORRECT] B
Rationale: ATS/ERS standards specify that the leak rate should not exceed 30 mL/min when 3
cm H2O pressure is applied. Distractor C exceeds the acceptable threshold and would indicate
equipment malfunction.
Q12 (Ambient Conditions): Spirometry results must be corrected to which conditions?
A. ATPS (Ambient Temperature, Pressure, Saturated)
B. BTPS (Body Temperature, Pressure, Saturated)
P
Study Guide | Latest Updated Questions
& Complete Solutions | Army Physical
Fitness Test Exam Prep | Pass
Guaranteed - A+ Graded
art A: Multiple Choice (Q1–70)
P
Q1 (Spirometry Acceptability): A patient performs an FVC maneuver with a back-extrapolated
volume of 180 mL and an FVC of 3.0 L. Is this maneuver acceptable according to ATS/ERS
2019 standards?
A. Yes, because the back-extrapolated volume is less than 150 mL.
B. Yes, because the back-extrapolated volume is less than 5% of FVC.
C. No, because the back-extrapolated volume exceeds 5% of FVC.
D. No, because the back-extrapolated volume exceeds 150 mL regardless of FVC.
[CORRECT] C
Rationale: ATS/ERS 2019 criteria require back-extrapolated volume to be <5% of FVC or <150
mL, whichever is smaller. Here 5% of 3.0 L = 150 mL; actual 180 mL exceeds 150 mL, making
the maneuver unacceptable. Distractor D ignores that the 150 mL threshold is not absolute
when FVC is very small – the primary standard uses % FVC first, then absolute.
Q2 (Calibration Frequency): According to NBRC and ATS/ERS standards, how frequently must
a spirometer be calibrated with a 3-L syringe?
A. Weekly
B. Daily, before patient testing begins
C. After every patient
D. Monthly
[CORRECT] B
Rationale: ATS/ERS 2019 spirometry standards mandate daily calibration verification with a
certified 3-L syringe before patient testing begins. Distractor A (weekly) reflects biological
control testing frequency, not calibration verification.
Q3 (Spirometer Types): Which type of spirometer measures flow directly and calculates volume
by integration?
A. Water-sealed spirometer
B. Dry rolling seal spirometer
C. Pneumotachometer
D. Vitalograph
[CORRECT] C
, ationale: Pneumotachometers are flow-sensing devices that measure flow directly and
R
integrate flow over time to derive volume. Distractor A describes a volume-displacement device,
which measures volume directly and calculates flow by differentiation.
Q4 (Repeatability Criteria): A patient performs three acceptable FVC maneuvers with the
following results: FEV1 = 2.85 L, 2.92 L, 2.78 L; FVC = 3.45 L, 3.52 L, 3.38 L. Do these meet
ATS/ERS repeatability criteria?
A. Yes, because all values are within 150 mL of each other.
B. No, because the FEV1 range (140 mL) exceeds the limit.
C. Yes, because the two largest FEV1 and FVC values are within 150 mL.
D. No, because three maneuvers are insufficient.
[CORRECT] C
Rationale: ATS/ERS criteria require the two largest FEV1 and two largest FVC values to be
within 150 mL of each other. Here, the two largest FEV1 values (2.92 and 2.85) differ by 70 mL,
and the two largest FVC values (3.52 and 3.45) differ by 70 mL. Distractor A incorrectly applies
the criterion to all values rather than the two largest.
Q5 (Bronchodilator Withholding – SABA): A patient using albuterol PRN is scheduled for pre-
and post-bronchodilator spirometry. How long should albuterol be withheld before testing?
A. 2 hours
B. 4-6 hours
C. 8 hours
D. 12 hours
[CORRECT] B
Rationale: ATS/ERS guidelines recommend withholding short-acting beta-agonists (SABA) such
as albuterol for 4-6 hours before bronchodilator response testing. Distractor D (12 hours)
applies to long-acting beta-agonists (LABA).
Q6 (Bronchodilator Withholding – LABA): A patient on salmeterol is scheduled for spirometry.
How long should salmeterol be withheld?
A. 4-6 hours
B. 8 hours
C. 12 hours
D. 24 hours
[CORRECT] C
Rationale: Long-acting beta-agonists (LABA) such as salmeterol and formoterol should be
withheld for 12 hours before spirometry to assess baseline lung function accurately. Distractor A
applies to SABAs, not LABAs.
Q7 (Contraindications): Which of the following is an absolute contraindication to spirometry?
A. Recent myocardial infarction (within 1 month)
B. Pregnancy
C. Hypertension
D. Asthma
[CORRECT] A
Rationale: Recent myocardial infarction (within 1 month) is an absolute contraindication to
spirometry due to the risk of cardiac stress from forced expiratory maneuvers. Distractor B
(pregnancy) is a relative contraindication, not absolute.
, 8 (Contraindications): A patient had pneumothorax 2 weeks ago. Can spirometry be
Q
performed?
A. Yes, with physician approval
B. Yes, if the pneumothorax was small
C. No, until fully resolved (usually 1-2 months)
D. No, pneumothorax is never a contraindication
[CORRECT] C
Rationale: Recent pneumothorax is an absolute contraindication to spirometry until fully
resolved, typically requiring 1-2 months. Forced expiratory maneuvers could worsen or
re-expand the pneumothorax. Distractor A incorrectly suggests physician approval overrides the
absolute contraindication.
Q9 (Infection Control): According to CDC and ATS guidelines, how should a pneumotachometer
be cleaned between patients?
A. Wipe with alcohol only
B. Replace disposable flow sensor or use bacterial/viral filter
C. Soak in bleach for 5 minutes
D. No cleaning needed if a mouthpiece is used
[CORRECT] B
Rationale: Current infection control standards require either disposable flow sensors or inline
bacterial/viral filters with >99% efficiency to prevent cross-contamination. Distractor A is
insufficient for complete disinfection of internal components.
Q10 (Biological Control Testing): How frequently should biological control testing be performed
using a healthy staff member?
A. Daily
B. Weekly
C. Monthly
D. Quarterly
[CORRECT] B
Rationale: Biological control testing should be performed weekly using a healthy staff member to
verify spirometer accuracy and precision over time. Acceptable limits are typically ±3-5% for
FEV1 and FVC. Distractor A confuses biological control with daily calibration verification.
Q11 (Leak Check): During a leak check, a 3-L syringe is used to generate a flow. What is the
maximum acceptable leak rate?
A. 10 mL/min
B. 30 mL/min
C. 50 mL/min
D. 100 mL/min
[CORRECT] B
Rationale: ATS/ERS standards specify that the leak rate should not exceed 30 mL/min when 3
cm H2O pressure is applied. Distractor C exceeds the acceptable threshold and would indicate
equipment malfunction.
Q12 (Ambient Conditions): Spirometry results must be corrected to which conditions?
A. ATPS (Ambient Temperature, Pressure, Saturated)
B. BTPS (Body Temperature, Pressure, Saturated)
