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Acute responses to exercise
Acute responses to exercise
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Physical Education Acute Responses to Exercise Revision
Flashcards
39 cards
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Questions
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Answers
1
During exercise, which response decreases?
Body Temperature
Energy Substrates
Heart Rate
Lactate
2
One acute muscular response to maximal exercise is a decrease in?
Intramuscular triglycerides levels
Intramuscular ATP & PC levels
Intramuscular glycogen levels
Muscular lactate levels
3
Ventilation is equal to?
TVxHR
RRxTV
RRxHR
RRxSV
4
During exercise, venous return
increases
plateaus
none of the above
decreases
5
Tidal Volume is represented by what?
RR
TV
V
Q
6
Respiratory Rate is measured by what?
millilitres
breaths/min
litres/min
litres
7
Steady State is?
A
D
C
B
8
Q stands for?
Cardiac Quotient
Cardiac Ventilation
Cardiac Arrest
Cardiac Output
9
Blood Flow to the working muscles, during exercise, increases by way of?
Vasodilation
Vasoconstriction
Blood Pooling
DIffusion
10
When an athlete reaches a 'steady state' their heart rate will?
Increase
Plateau
Cease
Decrease
11
Ventilation is measured in?
breaths/min
litres/min
millilitres
litres
12
When oxygen supply meets oxygen demand, an athlete has reached?
peak power
exhaustion
oxygen output
steady state
13
When comparing a well trained athlete to an untrained athlete, an untrained athlete will have:
an ↑ SV at rest & during max exercise
a ↓ SV at rest and during max exercise
a ↓ HR at rest and during max exercise
a ↓ Q at rest and during maximal exercise
14
Increased rate of diffusion at the muscle results in:
↓ CO2 diffused out of the muscle cells into the blood cells
↑ O2 diffusing to the muscle cells from alveoli
↑ O2 into the muscle cells from the blood
↑ CO2 diffusing out of the blood into the muscle cells
15
An acute response to exercise is a response that:
is a long-term physiological response
lasts beyond the exercise period
lasts for the duration of the exercise period
lasts for the duration of the exercise & recovery period
16
Elevated breathing before the onset of exercise is known as the?
Adrenalin release
Anticipatory rise
Nervousness
Anxiety affect
17
Oxygenated blood is ejected from which chamber of the heart?
Right Ventricle
Left Ventricle
Right Atrium
Left Atrium
18
Another word for energy 'substrate' is?
Fuel
PC
Blood
ATP
19
EPOC is represented by?
B
C
D
A
20
The chemical fuel used for energy re-synthesis is?
ADP
Phosphate
PC
ATP
21
The alveolar interface is covered by which blood vessels, to allow for effective diffusion?
capillaries
arteries
arterioles
veins
22
Q = SV x ?
HR
TV
RR
V
23
When exercise commences, the demand for oxygen and energy substrates:
stays the same
increases
decreases
remains at resting levels
24
When exercise stops, the body continues to consume O
2
above resting levels, this is known as?
EPOC
Steady State
Oxygen Deficit
Oxygen Debt
25
Oxygen Deficit is?
C
B
D
A
26
The amount of air breathed in & out in 1 breath is known as?
Respiratory Rate
Tidal Volume
Stroke Volume
Lung Volume
27
Muscle Temperature will show greater increase in?
Glycolytic Fibres
Slow-Twitch Fibres
Fast-Twitch Fibres
Lipolytic Fibres
28
During sub-max exercise an increase in Cardiac Output (Q) results in an increase in?
Heart Rate
Diastolic BP
Systolic BP
Blood Pressure
29
Ventilation is?
TV x RR
the respiratory centre in the brain
A respiratory response to exercise
All of the above
30
At exercise, gas exchange in the muscle occurs via diffusion. Which statement best explains?
Alveoli O2 is low, Blood O2 is high
Blood O2 is low, Muscle O2 is high
Alveoli O2 is high, Blood O2 is low
Blood O2 is high, Muscle O2 is low
31
Two mechanisms can work to increase of Cardiac Output during exercise?
TV & RR
HR & TV
HR & SV
TV & SV
32
The amount of oxygen used by a muscle can be determined via the?
HR
VO2
AVO2Diff
VO2Max
33
Ventilation continues to increase at max intensity exercise due to increasing?
TV
HR
RR
SV
34
During moderate exercise, the relationship between ventilation & oxygen consumption is?
at a steady state
plateau
decreasing
linear
35
The amount of blood ejected from the heart with each beat is known as the?
Heart Rate
Cardiac Output
Minute Ventilation
Stroke Volume
36
Tidal Volume at rest for an untrained individual would be similar to?
12 litres
6 litres
.5 litres
2 litres
37
The movement of oxygen from an area of high pressure to low pressure is?
Vasoconstriction
Diffusion
Vasodilation
Pressure
38
When a blood vessel narrows, it can be described as?
Vasoconvection
Vasodisection
Vasoconstriction
Vasodilation
39
A temporary shortage of oxygen in cells, typically at the start of exercise is known as?
Oxygen Control
Oxygen Deficit
Steady State
Oxygen Debt