Metabolic Equations
CRF Assessment 1
CRF Submax Lab
CRF Max Lab
100

Q: What is the standard conversion factor for speed from mph to meters per minute? 

A. 1 mph = 20.5 m/min
B. 1 mph = 24.1 m/min
C. 1 mph = 26.8 m/min
D. 1 mph = 30.2 m/min

C. 1 mph = 26.8 m/min

100

Q: What is the correct formula for cardiac output? 

A. Stroke Volume ÷ Heart Rate
B. Heart Rate × Stroke Volume
C. VO₂ × a-vO₂ diff
D. Tidal Volume × Respiratory Rate

B. Heart Rate × Stroke Volume

100

Q: What is the main purpose of submaximal testing? 

A. Measure exact VO₂max through gas analysis
B. Push individuals to exhaustion
C. Predict VO₂max without reaching maximal effort
D. Measure strength performance

C. Predict VO₂max without reaching maximal effort

100

Q: What is the primary goal of a maximal aerobic test?

A. Estimate resting metabolic rate
B. Determine the max number of push-ups
C. Measure true VO₂ max through exertion to exhaustion
D. Assess hydration status  

C. Measure true VO₂ max through exertion to exhaustion

200

Q: What is the correct conversion factor for watts to kgm/min? 

A. 1 watt = 3.5 kgm/min
B. 1 watt = 4.5 kgm/min
C. 1 watt = 6.12 kgm/min
D. 1 watt = 9.81 kgm/min

C. 1 watt = 6.12 kgm/min

200

Q: Which cardiovascular response is expected during a graded exercise test? 

A. Decreased systolic BP
B. Increased stroke volume
C. No change in heart rate
D. Sudden increase in diastolic BP

B. Increased stroke volume

200

Q: Which of the following is an example of a single-stage submaximal test? 

A. YMCA Cycle Ergometry Test
B. George Jog Test
C. Bruce Treadmill Protocol

B. George Jog Test

200

Q: Maximal testing is most appropriate for which population? 

A. Pregnant women
B. Children under 12
C. Healthy, active individuals
D. Sedentary seniors

C. Healthy, active individuals

300

Q: What is the standard conversion factor for inches to meters? 

A. 1 in = 0.0125 m
B. 1 in = 0.0254 m
C. 1 in = 0.0316 m
D. 1 in = 0.0452 m

B. 1 in = 0.0254 m

300

Q: Which of the following correctly defines Rate Pressure Product (RPP)? 

A. HR × DBP
B. HR × MAP
C. HR × SBP
D. HR × TPR

C. HR × SBP

300

Q: What variable is most important to monitor during submaximal testing? 

A. Calories burned
B. VO₂ reserve
C. Heart rate
D. Resting metabolic rate

C. Heart rate

300

Q: Which of the following is a staged protocol? 

A. Walking continuously at 3 mph
B. Increasing treadmill incline every 3 minutes
C. Resting for 30 seconds between light sprints
D. Cycling at one steady workload

B. Increasing treadmill incline every 3 minutes

400

Q: Which variable can be adjusted during a leg cycle test to increase O₂ cost, assuming distance and rpm are fixed? 

A. Resting VO₂
B. Distance per revolution
C. Body mass
D. Resistance (kg)

D. Resistance (kg)

400

Q: What defines the ventilatory threshold during graded exercise? 

A. The point where heart rate begins to decrease
B. The point of maximum effort
C. The point of rapid increase in ventilation
D. The onset of ATP use

C. The point of rapid increase in ventilation

400

***DOUBLE POINTS***

Q: What is the goal heart rate limit during the 1-Mile Jog Test? 

A. 150 bpm
B. 160 bpm
C. 170 bpm
D. 180 bpm

D. 180 bpm

400

Q: What defines a ramp protocol in maximal testing? 

A. Discrete stages with recovery
B. No changes in intensity
C. Gradual and continuous increases in intensity
D. High-intensity intervals with rests

C. Gradual and continuous increases in intensity

500

***Double Points***

Q: In the stepping equation, what does “1.8 × 1.33 × f × H” represent?

A. Horizontal walking cost
B. Total resting cost
C. Vertical O₂ cost of stepping up and down
D. Time it takes to complete a step cycle  

C. Vertical O₂ cost of stepping up and down

500

*** Double Points***

Q: According to the Fick Equation, VO₂ max depends on which three variables? 

A. Cardiac output, tidal volume, blood pressure
B. HR max, SV max, a-vO₂ difference
C. METs, intensity, frequency
D. VO₂ reserve, HR reserve, time

B. HR max, SV max, a-vO₂ difference

500

Why is heart rate used to estimate VO₂max in submaximal testing? 

A. Because heart rate reflects blood pressure at rest
B. Because heart rate directly determines treadmill speed
C. Because heart rate increases linearly with workload and oxygen consumption
D. Because heart rate stays the same throughout the test

C. Because heart rate increases linearly with workload and oxygen consumption

500

***DOUBLE POINTS***

Q: What is the metronome setting for a stepping rate of 20 steps/min?

A. 80 bpm
B. 60 bpm
C. 100 bpm
D. 40 bpm  

A. 80 bpm