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Exercise Physiology Lab > Quizzes > Flashcards

Quizzes Flashcards

1
Q

In order to understand the lab procedures and interpret your data what basic element of exercise you must first understand

A) performing work
B) data analysis
C) data collection
D) background

A

A) performing work

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2
Q

what type of energy transfer is involved in active transport

A

Cellular

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3
Q

what unit is not used to quantify mechanical work

A) acceleration
B) mass
C) distance
D) temperature

A

Temperature

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4
Q

The kilogram-meter is synonymous with the kilo pond-meter: T or F

A

True

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5
Q

Which values are being expressed in absolute terms

A) 1 lb
B) 150 J/s
C) 70% of VO2 max
D) 10% treadmill grade
E) both A and B

A

E

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6
Q

Ten kilo pond meters per minute is a unit of what

A

Power

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7
Q

What is the distance traveled per full pedal Revolution on a cycle ergo meter

A) 6 m
B) 6pm
C) 5m
D) 7m

A

A)

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8
Q

One watt is equal to how many kilogram-meters
A) 6
B) 7
C) 6.12
D) None of the above

A

D

Watt = kpm /min
1W = 6 kpm/min

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9
Q

Which statement is false about graded versus constant exercise testing

A) the independent variable is often work rate for graded exercise
B) the independent variable is often time for constant exercise tests
C) during a constant work exercise on a cycle ergometer, a subject might complete 3 exercise bouts at 200 W for 10 min per stage
D) none of the above

A

D

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10
Q

During steady state exercise, which variable is changing during exercise

A) HR
B) ventilation
C) O2 consumption
D) none of the above

A

D

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11
Q

Oxygen consumption does NOT account for energy expenditure coming from _______ sources

A

anaerobic

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12
Q

Measure of metabolic rate by _______ involves directly quantifying heat production

A

direct calorimetry

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13
Q

The caloric equivalent for the combustion of various foods stuffs will be estimated as 5kcal per liter of __________

A

O2

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14
Q

Which two variables are NOT needed to be measured by a technician during indirect calorimetry

A) Barometric Pressure
B) Volume of expired Air (VE)
C) Fraction of Inspired Carbon Dioxide (FiCO2)
D) Fraction of Expired Carbon Dioxide (FeCO2)
E) Fraction of Inspired Oxygen (FiO2)
F) Fraction of Expired Oxygen (FeO2)
g) room temp

A

C, E

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15
Q

Total daily activity thermogenesis (TDAT) can be divided into what

A
  • Non-exercise activity thermogenesis (NEAT)
  • exercise activity thermogenesis (EAT)
  • Thermogenic effect of food (TEF)
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16
Q

List the 3 experimental conditions under which a subjects metabolic rate will be measured

A

resting, cycle ergometer, treadmill ergometer

17
Q

What 2 perameters are required to determine the respiratory change ratio (RER)

A

VCO2 and VO2

18
Q

What form and location are carbs and fats stored in teh body

A

Carbs: stored as glycogen in liver and muscle

Fats: stored as triglycerides in adipose tissue and intermuscular deposits

19
Q

How does relative contribution of carb oxidation to ATP production change when exercise intensity increases from 25% to 75% VO2max

A

Increases

20
Q

Compared to an untrained individual, a trained individual will have a crossover point that occurs at a _________ relative intensity

A

Greater

21
Q

when exercising at 25% VO2 max, relative contribution (%) of fats and the absolute number of calories expended are both higher than at 75% VO2 max: T or F

A

False

22
Q

give one condition in which proteins are a relevant contributor to ATP production

A

Starvation

23
Q

under what two conditions does oxygen consumption represent Total EE

A

Steady state, oxidative processes

24
Q

how many different intensities will each subject perform during substrate utilization lab

A

3 intensities

25
Q

VO2 max is dependent on what 2 physiological factors

A

1) the cardiovascular system’s ability to move O2 to the tissues
2) the muscle’s ability to uptake O2 and produce ATP

26
Q

What two primary factors that affect an individual’s max oxygen consumption

A

1) sex
2) genetics

27
Q

A VO2 max test must utilize _______ muscle mass groups

A

Large

28
Q

Which of the following are criteria for VO2 max testing

A) RPE > or equal to 17
B) A plateau in VO2 following an increase in workload
C) blood lactate > or equal to 8mM
D) RER > or equal to 1.15
E) all of the above are criteria

A

E

29
Q

T of F: the increase in max cardiac output with chronic endurance training is due to the ability to get higher max HR

A

False : cant change HR

30
Q

T or F: a runner who consumes less O2 at given sub max workload is more economical than another runner who consumes more oxygen at same sub max workload

A

True

31
Q

T or F: The ventilatory threshold is an estimated measure of the lactate threshold

A

True

32
Q

T or F: The aerobic fitness lab procedure will require students to use Douglass bags to collect expired air

A

False

33
Q

List 3 energy systems that are active during short duration supramaximal exercise

A

Intermediate, non-oxidative glycolitic, oxidative

34
Q

What are 2 potential factors influencing Wingate performance differences b/t subjects

A
  • amount of glycogen stored in muscle and phosphgan in muscle
  • amount of metabolites in muscle (H+)
35
Q

What is the duration of the Windgate test

A

30 seconds

36
Q

What is the load (% of body wt) that will be dropped on the flywheel during the windgate test

A

7.5% of body weight

37
Q

T or F: The windgate test can accurately and reliably measure anaerobic energy

A

False because no good way to measure anaerobic energy

38
Q

An athlete that has a higher/lower fatigue index’s would be expected to have a smaller decline in power output during a Wingate test

A

Lower

39
Q

Which of the following cannot be improved through specific anaerobic training

A) increase in fatigue tolerance
B) improved cardiovascular function
C) increased immediate and glycolitic energy stores
D) increased type II fiber recruitment
E) all of the above can be improved

A

E

Exercise Physiology Lab (12 decks)

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