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WorksheetsA Level Revision
Total questions: 90
Worksheet time: 20mins
An example of a first class lever is...
Plantar flexion at the ankle, lifting your body.
Extending the tricep during a basketball free throw.
Performing a bicep curl.
The vena cava has the following job...
Takes oxygenated blood from the heart to the body.
Bring deoxygenated blood from the lungs to the heart.
Brings oxygenated blood from the lungs to the heart.
Brings deoxygenated blood from the body to the heart.
Which is the odd one out?
Myogenic
AVN
Bundle of His
Inertia
Which side of the heart is larger?
Right
Left
The same
Which of the following affect stability?
Height of the centre of mass
Position of the line of gravity
Area of the support base
Mass of the performer
What is the mechanical advantage of a second class lever?
Can generate large forces.
Can move resistance quickly.
Has a large range of movement.
Baroreceptors detect...
Blood pressure.
Carbon dioxide.
Muscle movement.
Chemoreceptors detect...
Blood pressure.
Carbon dioxide.
Muscle movement.
Proprioreceptors detect...
Muscle movement.
Carbon dioxide.
Blood pressure.
Cardiac output is equal to...
Heart rate / Stroke volume
Heart rate x stroke volume
Stroke volume / heart rate
None of the the above
For a third class lever, which is in the middle?
Fulcrum
Effort
Resistance
Define systole...
The capacity for the heart to generate its own impulses
When the heart contracts
When the heart relaxes
The capacity for the heart to generate its own impulses is known as...
Ejection Fraction
Bradycardia
Myogenic
Diastole
Inertia is...
The resistance of a body to change its state of motion.
The resistance of a body to rotate.
F = MxA
What part of the heart is the 'pacemaker'?
AVN
SAN
Purkinje Fibres
Bundle of His
What is the average resting heart rate for an individual?
55
84
72
61
At rest, what is the rough figure for cardiac output?
3 litres
5 litres
7 litres
9 litres
What is the atherosclorosis?
When arteries harden and narrow due to fatty deposits
A chest pain
When blood supply is cut off to the brain
A condition where your valves stop working
Which type(s) of cholesterol are 'good'?
Both
HDL
Neither
LDL
Which blood vessel have the thickest walls?
Capillaries
Blood
Veins
Arteries
Heart
Which blood vessels have the thinnest walls?
Arteries
Blood
Heart
Capillaries
Veins
A scalar quantity is described by...
Magnitude only
Direction only
Magnitude and direction
A vector quantity is described by...
Magnitude only
Direction only
Magnitude and direction
Which of the following is not a scalar quantity?
Speed
Momentum
Distance
Mass
Which of the following is not a vector quantity?
Momentum
Displacement
Distance
Velocity
Acceleration
Gravity is equal to...
10 metres per second squared
9.8 metres per second
10 metres per second
9.8 metres per second squared
Weight is measured in...
Mass
Newtons
Newtons per second squared
Nm
Impulse is...
Force / Time
Time / Force
Force x Time
Which of the following do not help venous return?
Skeletal muscle pump
They all help
Pocket valves
Respiratory pump
The straight line on the distance time graph in the image shows...
Acceleration
Constant velocity
Stationary
What does the image for this distance time graph show?
Stationary
Decceleration
Acceleration
Constant velocity
If Usain Bolt runs 100m in 10s, what is his average speed?
10 metres per second squared
10 metres per second
1000 metres per second
1000 metres per second squared
The formula to calculate acceleration is...
Speed / Time
Change in velocity / Time
Change in velocity x Time
Speed x Time
What is the Bohr Shift?
When an increase in blood carbon dioxide and a decrease in pH results in a reduction of the affinity of haemoglobin for oxygen.
When an decrease in blood carbon dioxide and an increase in pH results in a reduction of the affinity of haemoglobin for oxygen.
Vasodilation ________ the blood vessels.
Widens
Narrows
Which of the following is not responsible for the increase in the dissociation of oxygen from haemoglobin?
Increase in blood temperature
Partial pressure of carbon dioxide increases
pH
Decrease in blood temperature
Which is the correct order for the path of airway from the mouth/nose to the lungs?
Mouth/Nose, Trachea, Larynx, Bronchi, Bronchioles, Alveoli
Mouth/Nose, Larynx, Trachea, Bronchioles, Bronchi, Alveoli
Mouth/Nose, Larynx, Trachea, Bronchi, Bronchioles, Alveoli
Mouth/Nose, Larynx, Bronchi, Bronchioles, Alveoli
Mouth/Nose, Trachea, Bronchi, Bronchioles, Alveoli
When air is breathed in (inhaling)...
Ribcage moves upwards and inwards
Diaphragm relaxes and rises to a dome shaped position
Ribcage moves upwards and outwards
Ribcage falls
Diaphragm moves upwards and outwards
Residual volume is...
Volume of air breathed in or out per breath
The amount of air that remains in the lungs after maximal expiration
Volume of air that can be forcibly expired after a normal breath
Volume of air that can be forcibly inspired after a normal breath
Define tidal volume.
Volume of air breathed in or out per breath
Volume of air that can be forcibly inspired after a normal breath
Volume of air that can be forcibly expired after a normal breath
The amount of air that remains in the lungs after maximal expiration
What happens to tidal volume during exercise?
Increases
Decreases
Stays the same
What happens to inspiratory reserve volume during exercise?
Increases
Decreases
Stays the same
What happens to expiratory reserve volume during exercise?
Increases
Decreases
Stays the same
What happens to residual volume during exercise?
Increases
Decreases
Stays the same
What happens to minute ventilation during exercise?
Increases
Decreases
Stays the same
Momentum equals...
Mass / Velocity
Velocity / Mass
Acceleration x Mass
Mass x Velocity
If a performer's momentum is 1080kgm/s and their mass is 108kg, what is their velocity?
116,640 m/s
100 m/s
10 m/s
1 m/s
Which is not a type of frictional force?
Static
Slippy
Sliding
Which of these is not a horizontal force?
Air resistance
Friction
Weight
Friction can be affected by which of the following factors?
Surface characteristics
Temperature of the ice
Weight of the ice
Mass of the object
On a free body diagram, where are weight and air resistance drawn from?
Point of contact with the ground
Centre of mass
Foot
Head
On a free body diagram, where is the reaction force and friction drawn from?
Head
Foot
Ground
Point of contact
True of false? The friction arrow on a free body diagram is drawn in opposition of motion?
True
False
How is impulse shown on a graph?
Distance - time graph
Force - time graph
Vector diagram
Force - distance graph
When running, what is shown first on a force-time graph?
Negative impulse
Positive impulse
When accelerating, the net impulse will be...
Negative
Positive
Equal
In the middle of a 100m race, the net impulse of a sprinter is...
Equal
Positive
Negative
A cartwheel occurs in which axis?
Transverse
Longitudinal
Sagittal
Frontal
A spin in ice skating occurs in which axis?
Transverse
Sagittal
Longitudinal
Frontal
A somersault occurs in which axis?
Sagittal
Transverse
Frontal
Longitudinal
Angular displacement is measured in...
Degrees
Radians
Radians/second
Degrees/second
1 radian is equal to...
9.8 degrees
45 degrees
57.3 degrees
37.5 degrees
53.7 degrees
The formula for angular acceleration is...
Change is angular velocity / time
Change in angular acceleration / time
Change in time / Change in angular velocity
Change in momentum / time
True or false? Angular velocity and moment of inertia are inversely proportional.
True
False
Angular momentum =
Angular velocity / moment of inertia
Moment of inertia x angular velocity
Moment of inertia / angular velocity
Mass x moment of inertia x angular velocity
How can you decrease your moment of inertia?
Spreading your limbs away from the midline of the body
Tucking your limbs towards the midline of the body
What happens to angular momentum if moment of inertia increases?
Increases
Decreases
Stays the same
The diffusion pathway for carbon dioxide is...
Alveoli, blood, muscles
Alveoli, muscles, blood
Muscles, blood, alveoli
Muscles, alveoli, blood
Slow twitch muscle fibres have...
High contraction speed but produce a low force
Have high mitochondrial density but low capillary density
Have a high aerobic capacity but slow contraction speed
Have a slow contraction speed but produce a high force
Have small motor neurone size and high fatigability
True or false? Type 2a muscle fibres are more like slow twitch muscle fibres than type 2b.
True
False
A motor unit consists of...
Motor Neurone
Muscle Fibres
Muscle fibres and motor neurone
Neither
'Where there are repeated nerve impulses with no time to relax' is...
All or none law
Starling's law
Cardiovascular drift
Wave summation
Spatial summation
Walking occurs in the...
Frontal plane
Sagittal plane
Transverse plane
A backflip occurs in the...
Transverse plane
Sagittal plane
Longitudinal plane
Frontal plane
Abduction and adduction occur in which plane?
Transverse
Frontal
Sagittal
Horizontal adduction occurs in which plane?
Transverse
Sagittal
Frontal
Which of the following is true when performing hip extension?
Agonist - gluteals, Antagonist - hip flexors
Agonist - hip flexors, Antagonist - gluteals
What happens to the length of a muscle when it is concentrically contracting?
Lengthens
Shortens
Stays the same
What happens to the length of a muscle when it is eccentrically contracting?
Lengthens
Shortens
Stays the same
Which of the following factors affects the horizontal displacement of a projectile?
Angle of release
Speed of release
Height of release
All of these
If the release height of an object is higher than the landing height than the angle of release needs to be...
Greater than 45 degrees
Less than 45 degrees
If the release height of an object is lower than the landing height than the angle of release needs to be...
Less than 45 degrees
Greater than 45 degrees
Which of the following pieces of equipment is more likely to follow a true parabola?
Shuttlecock
Foam tennis ball
Shot put
True of false? The vector component of a shot put at it's highest point is 0.
True
False
What are the two types of drag?
Sliding
Static
Surface
Form
Surface drag is also known as...
Form drag
Skin drag
Shape drag
Form drag is also known as...
Surface drag
Shape drag
Skin drag
Bernoulli's Principle is...
Where air molecules exert less pressure the faster they travel and more pressure when they travel slower.
Where air molecules exert more pressure the faster they travel and less pressure when they travel slower.
An increase in cross-sectional area __________ drag.
Decreases
Increases
Does not affect
During expiration, the diaphragm...
Contracts
Relaxes
