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Spalding High School A Level PE > Energy Systems > Flashcards

Energy Systems Flashcards

(57 cards)

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1
Q

A performer can wear suitable c________ to maximise heat loss

A

clothing

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2
Q

The ATP-PC system is used for activities of ? Intensity

A

Very high eg shot putt

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3
Q

A negative of the aerobic system is that there is a delay for ________ delivery

A

oxygen

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4
Q

How long does the aerobic system supply energy for?

A

3 minutes +

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5
Q

Altitude is the height of an area above ?

A

sea level

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6
Q

What fuel is replenished during the lactacid stage of EPOC?

A

Glycogen

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7
Q

Which energy system has a yield of only 1 ATP?

A

ATP-PC system

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8
Q

What is the ATP yield of the glycolytic energy system?

A

2 ATP

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9
Q

The site of the ATP-PC system is the muscle S___________

A

Sarcoplasm

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10
Q

How long does the glycolytic system provide energy for?

A

10 secs - 3 mins

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11
Q

Which enzyme breaks down glucose?

A

PFK

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12
Q

Give one side effect of altitude pre-acclimatisation

A

Altitude sickness

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13
Q

How long does it take for the body to acclimatise at altitude (2400m and above)?

A

2 weeks +

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14
Q

ATP is broken down by which enzyme?

A

ATPase

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15
Q

A respiratory effect of altitude post acclimatisation is an increased rate of ?

A

diffusion

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16
Q

The cristae of the mitochondria is the site for which stage of the aerobic energy system?

A

Electron transport chain

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17
Q

A positive of the glycolytic system is its ________ food fuel stores

A

large

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18
Q

Is the ATP-PC system aerobic or anaerobic?

A

Anaerobic

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19
Q

To maximise performance in heat, a performer can use ? to reduce core body temperature

A

cooling aids

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20
Q

What does pyruvic acid turn into without the presence of oxygen?

A

Lactic acid

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21
Q

A benefit of the aerobic system is that there are no ________ by products

A

fatiguing

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22
Q

The lactacid stage of EPOC increases the removal of waste products such as ______ ____ and carbon dioxide

A

lactic acid

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23
Q

The enzyme C______ K_______is used to break down phosphocreatine

Study These Flashcards
A

Creatine Kinase

24
Q

A negative of the ATP-PC system is that it leads to ? Fatigue

25
What are the 3 enzymes used in the glycolytic system?
GPP, PFK, LDH
26
How much oxygen is required for the lactacid stage of EPOC?
5-8 litres
27
There is an increase in ___ blood cell production post acclimatisation
Red
28
A type of reaction where energy is absorbed?
ENdothermic (ENters) | E.g energy released from breakdown of PC is absorbed by ADP + P to recreate ATP
29
Which enzyme is used to break down glycogen?
GPP
30
One effect of altitude is a decrease in oxygen binding with ?
haemoglobin
31
The ATP-PC system provides energy for ?
2-10 seconds
32
For what level of intensity is the aerobic energy system used for?
Low-moderate eg marathon
33
Name a thermoregulatory response to heat
Sweating
34
____ is the volume of oxygen consumed post exercise to return the body to its pre exercise state
EPOC
35
In h_____ conditions, there is a lower partial pressure of oxygen in the air
hypoxic
36
What is the yield of the electron transport chain?
34 ATP
37
Breathing rate ________ as a result of exercise in heat
increases
38
During the alactacid stage of EPOC, ATP and PC stores are replenished (? in 30 secs)
50%
39
What is the effect on blood as a result of water loss during exercise in heat?
Increased viscosity and decreased volume
40
An EXothermic reaction is where energy is ?
Released (EXited) | E.g from breakdown of PC to leave P + C + Energy
41
___________ drift is the upwards rise in heart rate during moderate activity associated with an increase in body temperature
Cardiovascular
42
The Krebs cycle take place in the _____ of the mitochondria
matrix
43
1-4 litres of oxygen is required for which stage of EPOC?
Alactacid
44
A positive of the ATP-PC system is that there are no fatiguing ?
By products
45
The alactacid stage of EPOC resaturates ? And myoglobin
haemoglobin
46
A C________ R_________is where products of one reaction are used in another reaction
Coupled Reaction 1. P+C+Energy 2. ADP+P+(Energy from above reaction) = ATP
47
What are the by products of the aerobic energy system?
Carbon dioxide and water
48
What is the total ATP yield of the aerobic energy system?
38 ATP
49
A cardiovascular effect of altitude pre-acclimatisation is a ________ in stroke volume
decrease
50
How long does the lactacid stage take place for?
3 mins - 24 hours
51
____________tion is the gradual adaptation to change in environment
Acclimatisation
52
Arterioles and pre-capillary sphincters close to the skin ____________ to reduce core body temperature during exercise in the heat
vasodilate
53
One benefit of the aerobic energy system is that it has a h___ ATP yield
high
54
What is the memory hook for energy systems?
``` YBFIESTA Y-Yield B-By Products F-Food fuel I-Intensity E-Enzymes S-Site and Stages T-Time A-Aerobic or Anaerobic ```
55
The alactacid stage of EPOC takes place up to ? After exercise
3 minutes
56
Lactic acid produced in the glycolytic system denatures ________, increases blood _________, decreases _______ pH and increases __LA
enzymes, acidity, blood, OBLA
57
Is the glycolytic system aerobic or anaerobic?
Anaerobic

Spalding High School A Level PE (18 decks)

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