Class 21 Flashcards
1
Q
- Which is a common benefit of doing cardio exercise as part of a movement practice?
- improving the heart’s pumping capacity
- burning excess calories to lose extra body fat
- enhancing mental health
- all the above
A
d
2
Q
- A high _____ is what stimulates the heart to adapt and improve its pumping capacity.
- heart rate
- rate-pressure product
- stroke volume
- oxygen debt
A
c
3
Q
- Dumbbells are to biceps as _____ is to the heart muscle.
- oxygen
- cardio
- blood
- mitochondria
A
c
4
Q
- Starling’s law applies to cardio exercise in that _____, which serves to train and condition the heart or myocardium.
- the heart pumps 100% of the oxygen it receives
- the heart pumps 100% of the blood it receives
A
b
5
Q
- To elicit a maximal heart rate, maximum stroke volume, and maximum cardiac output, a person needs to run as fast as possible for a minimum of about _____.
- 30 s
- 1 min
- 2 to 3 min
- 6 to 10 min
A
c
6
Q
- Physical activity is _____; exercise is _____, respectively.
- any bodily movement resulting in a substantial increase in energy expenditure; planned, purposeful, and performed to improve or maintain functional and physical fitness
- planned, purposeful, and performed to improve or maintain functional and physical fitness; any bodily movement resulting in a substantial increase in energy expenditure
A
a
7
Q
- Few modern humans do anything close to daily CARs without instruction, knowledge, and a plan.
- true
- false
A
a
8
Q
- What is the resting metabolic rate (RMR) for the average 70-kilogram person?
- 1 kcal/min
- 1.25 kcal/min
- 5 kcal/min
- 10 kcal/min
A
b
9
Q
- Which of the following results in a substantial energy expenditure?
- standing
- core training
- walking
- all the above
A
d
10
Q
- There are _____ minutes in a day; based on an average RMR, about _____ calories are burned at rest.
- 60; 800
- 90; 1200
- 1220; 1400
- 1440; 1800
A
d
11
Q
- A metabolic equivalent (MET) represents resting metabolism. If a person is walking and burning calories at a rate 5 times above his or her RMR, how many METs does this equal?
- 1.25
- 3
- 5
- 10
A
c
12
Q
- Lifting heavy weights is an effective way to maximize muscle strength. Running at top speeds is an effective way to maximize cardiorespiratory fitness (CRF).
- true
- false
A
a
13
Q
- Any type or amount of physical activity can be “heart helpful.”
- true
- false
A
a
14
Q
- _____ is slow and steady. _____ is fast and varied. _____ is less fatiguing and safer. _____ is intense and invigorating. Both provide unique and meaningful benefits. Both condition the heart, burn lots of calories, and improve CRF.
- LSD; LSD; HIIT; HIIT
- HIIT; HIIT; LSD; LSD
- LSD; HIIT; LSD; HIIT
- HIIT; LSD; HIIT; LSD
A
c
15
Q
- Although we care about all three, which one sometimes tricks us into thinking it is improving CRF?
- increases in heart rate
- increases in stroke volume
- increases in cardiac output
A
a
16
Q
- _____ serves as the final electron acceptor at the end of the electron transport chain and facilitates continued ATP production.
- oxygen
- calcium
- carbohydrate
- ATPase
A
a
17
Q
- To go from ATP to ADP requires a(n) _____ of energy; to go from ADP to ATP requires a(n) _____ of energy.
- input; output
- output; input
A
b
18
Q
- Although carbs, fats, and proteins all share carbon, hydrogen, and oxygen; which chemical bonds, when broken, release usable energy to restore ATP levels?
- hydrogen-to-hydrogen bonds
- oxygen-to-oxygen bonds
- carbon-to-carbon bonds
- all the above
A
c
19
Q
- Which energy system has the most available stored energy?
- immediate energy system
- intermediate energy system
- slow-endurance energy system
- all contain about the same stored energy
A
c
20
Q
- Which energy system uses stored creatine phosphate as its energy source?
- immediate energy system
- intermediate energy system
- slow-endurance energy system
- all contain about the same stored energy
A
a
21
Q
- Which energy system uses stored carbohydrate (glucose) as its only energy source?
- immediate energy system
- intermediate energy system
- slow-endurance energy system
- all contain about the same stored energy
A
b
22
Q
- Glucose (C6H12O6) cut in half (C3H6O3) becomes _____.
- fructose
- sucrose
- pyruvate
- lactic acid
A
d
23
Q
- Which energy system uses stored carbohydrate (glucose), fats (fatty acids), and protein (amino acids) as its energy source?
- immediate energy system
- intermediate energy system
- slow-endurance energy system
- all contain about the same stored energy
A
c
24
Q
- All energy systems are always on. They act like a dimmer switch and can be turned up or down; but not on or off.
- true
- false
A
a
25
Q
- Which energy system produces the most ATP at rest?
- immediate energy system
- intermediate energy system
- slow-endurance energy system
- all contain about the same stored energy
A
c
26
Q
- Which energy system produces the most ATP during a 15-second sprint?
- immediate energy system
- intermediate energy system
- slow-endurance energy system
- all contain about the same stored energy
A
a
27
Q
- Which energy system produces the most ATP during a 400-meter run?
- immediate energy system
- intermediate energy system
- slow-endurance energy system
- all contain about the same stored energy
A
b
28
Q
- Which energy system produces the most ATP during a 12-minute run?
- immediate energy system
- intermediate energy system
- slow-endurance energy system
- all contain about the same stored energy
A
c
29
Q
- Which energy system produces the most ATP during recovery?
- immediate energy system
- intermediate energy system
- slow-endurance energy system
- all contain about the same stored energy
A
c
30
Q
A