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30 questions
The 'flow of deoxygenated blood to the lungs and oxygenated blood back to the heart' describes which type of circulation?
Double
Systemic
Pulmonary
Cardiac
'An upper chamber receiving de-oxygenated blood' describes which chamber of the heart?
Left atrium
Left ventricle
Right Atrium
Right Ventricle
'A lower chamber containing oxygenated blood' describes which chamber of the heart?
Left atrium
Left ventricle
Right Atrium
Right Ventricle
The ________ __________ of the cardiac muscle has a thicker wall to allow the heart to contract with more force on the oxygenated side.
left side
right side
middle septum
upper side
Which blood vessel pumps oxygenated blood at high pressure from the heart to the body.
Pulmonary vein
Vena Cava
Pulmonary Artery
Aorta
Which blood vessel returns oxygenated blood to the heart.
Pulmonary vein
Vena Cava
Pulmonary Artery
Aorta
Which blood vessel carries deoxygenated blood from the heart to the lungs.
Pulmonary vein
Vena Cava
Pulmonary Artery
Aorta
Which valve prevents blood flowing back into the left atrium.
Semi-lunar pulmonary valve
Semi-lunar aortic valve
Bicuspid valve
Tricuspid valve
Which valve prevents blood flowing back into the right atrium from the ventricle.
Semi-lunar pulmonary valve
Semi-lunar aortic valve
Bicuspid valve
Tricuspid valve
Which valve prevents expelled blood flowing back into the left ventricle?
Semi-lunar pulmonary valve
Semi-lunar aortic valve
Bicuspid valve
Tricuspid valve
Which valve prevents expelled blood flowing back into the right ventricle?
Semi-lunar pulmonary valve
Semi-lunar aortic valve
Bicuspid valve
Tricuspid valve
Capillaries have specific features to ensure they are efficient, select the correct answer below to describe these features.
Small surface area and one cell thick
Large surface area, moist and one cell thick
Two cells thick, large surface area and moist.
Moist, thick and muscular
'Walls are thick and elastic' describes which blood vessel?
Veins
Capillaries
Venules
Arteries
'Has a large lumen' describes which blood vessel?
Veins
Capillaries
Arterioles
Arteries
'Contain a red-coloured compound called haemoglobin which bonds with oxygen to form oxyhaemoglobin' describes which type of blood?
White blood cells
Red blood cells
Platelets
Plasma
'They defend against disease. They are vital to health and preventing infection after injury' describes which type of blood?
White blood cells
Red blood cells
Platelets
Plasma
'Transport nutrients/ red blood cells/ white blood cells/ maintaining normal blood pressure/ maintain homeostasis' describes which type of blood?
White blood cells
Red blood cells
Platelets
Plasma
Controlling body temperature is called...
Hyperthermia
Hypothermia
Thermoregulation
Coagulation
'Increase blood flow, nutrients and gaseous exchange' refers to...
Vasoconstriction
Hypothermia
Vasodilation
Hypertension
The electrical impulse begins at the pacemaker: a mass of cardiac cells known as the _________________
Atrio-ventricular node (AVN)
Bundle of His
Bundle branches
Sino-atrial node (SAN)
The ______________ acts as a distributor and passes the action potential to the Bundle of His.
Atrio-ventricular node (AVN)
Bundle of His
Bundle branches
Sino-atrial node (SAN)
The cardiac control centre (CCC) is located in the _____________ ____________.
sympathetic system
medulla oblongata
parasympathetic system
Purjunke fibres
'The volume of blood pumped forward with each ventricular contraction' describes...
Cardiac output (Q)
Venus return
Stroke volume
Blood volume
Heart rate (HR) x stroke volume (SV) =
Cardiac output (Q)
Venus return
Stroke volume
Blood volume
Before exercise begins the adrenal glands release adrenaline into the blood stream. We call this...
an increased stroke volume
an anticipatory rise
cardiac hypertrophy
hypertension
'The force exerted by the blood on the vessel walls' is called...
blood pressure
blood volume
blood viscosity
heart rate
'This is the maximum pressure in the arteries when the heart contracts' refers to...
Diastolic pressure
Systolic pressure
'An inherited cardiac condition that can cause death in young and well trained individuals. The heart’s natural rhythm becomes disrupted and can stop beating altogether' refers to...
Hypothermia
Hyperthermia
Sudden arrhythmic death syndrome (SADS)
Hypotension
_________________ is when body temperature falls below 35oC.
Hypotension
Hypertension
Hypothermia
Hyperthermia
Normal core temperature =
37 degrees celsius
34 degrees celsius
39 degrees celsius
40 degrees celsius
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