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Spalding High School A Level PE > Energy Systems > Flashcards

Energy Systems Flashcards

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

A

Creatine Kinase

24
Q

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

A

rapid

25
Q

What are the 3 enzymes used in the glycolytic system?

A

GPP, PFK, LDH

26
Q

How much oxygen is required for the lactacid stage of EPOC?

A

5-8 litres

27
Q

There is an increase in ___ blood cell production post acclimatisation

A

Red

28
Q

A type of reaction where energy is absorbed?

A

ENdothermic (ENters)

E.g energy released from breakdown of PC is absorbed by ADP + P to recreate ATP

29
Q

Which enzyme is used to break down glycogen?

A

GPP

30
Q

One effect of altitude is a decrease in oxygen binding with ?

A

haemoglobin

31
Q

The ATP-PC system provides energy for ?

A

2-10 seconds

32
Q

For what level of intensity is the aerobic energy system used for?

A

Low-moderate eg marathon

33
Q

Name a thermoregulatory response to heat

A

Sweating

34
Q

____ is the volume of oxygen consumed post exercise to return the body to its pre exercise state

A

EPOC

35
Q

In h_____ conditions, there is a lower partial pressure of oxygen in the air

A

hypoxic

36
Q

What is the yield of the electron transport chain?

A

34 ATP

37
Q

Breathing rate ________ as a result of exercise in heat

A

increases

38
Q

During the alactacid stage of EPOC, ATP and PC stores are replenished (? in 30 secs)

A

50%

39
Q

What is the effect on blood as a result of water loss during exercise in heat?

A

Increased viscosity and decreased volume

40
Q

An EXothermic reaction is where energy is ?

A

Released (EXited)

E.g from breakdown of PC to leave P + C + Energy

41
Q

___________ drift is the upwards rise in heart rate during moderate activity associated with an increase in body temperature

A

Cardiovascular

42
Q

The Krebs cycle take place in the _____ of the mitochondria

A

matrix

43
Q

1-4 litres of oxygen is required for which stage of EPOC?

A

Alactacid

44
Q

A positive of the ATP-PC system is that there are no fatiguing ?

A

By products

45
Q

The alactacid stage of EPOC resaturates ? And myoglobin

A

haemoglobin

46
Q

A C________ R_________is where products of one reaction are used in another reaction

A

Coupled Reaction

  1. P+C+Energy
  2. ADP+P+(Energy from above reaction) = ATP
47
Q

What are the by products of the aerobic energy system?

A

Carbon dioxide and water

48
Q

What is the total ATP yield of the aerobic energy system?

A

38 ATP

49
Q

A cardiovascular effect of altitude pre-acclimatisation is a ________ in stroke volume

A

decrease

50
Q

How long does the lactacid stage take place for?

A

3 mins - 24 hours

51
Q

____________tion is the gradual adaptation to change in environment

A

Acclimatisation

52
Q

Arterioles and pre-capillary sphincters close to the skin ____________ to reduce core body temperature during exercise in the heat

A

vasodilate

53
Q

One benefit of the aerobic energy system is that it has a h___ ATP yield

A

high

54
Q

What is the memory hook for energy systems?

A 
YBFIESTA
Y-Yield
B-By Products
F-Food fuel
I-Intensity
E-Enzymes
S-Site and Stages
T-Time
A-Aerobic or Anaerobic
55
Q

The alactacid stage of EPOC takes place up to ? After exercise

A

3 minutes

56
Q

Lactic acid produced in the glycolytic system denatures ________, increases blood _________, decreases _______ pH and increases __LA

A

enzymes, acidity, blood, OBLA

57
Q

Is the glycolytic system aerobic or anaerobic?

A

Anaerobic

Spalding High School A Level PE (18 decks)

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