Quizzes

Question 1

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

Answer 1

A) performing work

Question 2

what type of energy transfer is involved in active transport

Answer 2

Cellular

Question 3

what unit is not used to quantify mechanical work

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

Answer 3

Temperature

Question 4

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

Answer 4

True

Question 5

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

Answer 5

E

Question 6

Ten kilo pond meters per minute is a unit of what

Answer 6

Power

Question 7

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

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

Answer 7

A)

Question 8

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

Answer 8

D

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

Question 9

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

Answer 9

D

Question 10

During steady state exercise, which variable is changing during exercise

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

Answer 10

D

Question 11

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

Answer 11

anaerobic

Question 12

Measure of metabolic rate by _______ involves directly quantifying heat production

Answer 12

direct calorimetry

Question 13

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

Answer 13

O2

Question 14

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

Answer 14

C, E

Question 15

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

Answer 15

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

Question 16

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

Answer 16

resting, cycle ergometer, treadmill ergometer

Question 17

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

Answer 17

VCO2 and VO2

Question 18

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

Answer 18

Carbs: stored as glycogen in liver and muscle

Fats: stored as triglycerides in adipose tissue and intermuscular deposits

Question 19

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

Answer 19

Increases

Question 20

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

Answer 20

Greater

Question 21

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

Answer 21

False

Question 22

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

Answer 22

Starvation

Question 23

under what two conditions does oxygen consumption represent Total EE

Answer 23

Steady state, oxidative processes

Question 24

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

Answer 24

3 intensities

Question 25

VO2 max is dependent on what 2 physiological factors

Answer 25

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

Question 26

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

Answer 26

1) sex 2) genetics

Question 27

A VO2 max test must utilize _______ muscle mass groups

Answer 27

Large

Question 28

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

Answer 28

E

Question 29

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

Answer 29

False : cant change HR

Question 30

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

Answer 30

True

Question 31

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

Answer 31

True

Question 32

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

Answer 32

False

Question 33

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

Answer 33

Intermediate, non-oxidative glycolitic, oxidative

Question 34

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

Answer 34

- amount of glycogen stored in muscle and phosphgan in muscle - amount of metabolites in muscle (H+)

Question 35

What is the duration of the Windgate test

Answer 35

30 seconds

Question 36

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

Answer 36

7.5% of body weight

Question 37

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

Answer 37

False because no good way to measure anaerobic energy

Question 38

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

Answer 38

Lower

Question 39

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

Answer 39

E