Exam code: 0610 & 0970
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Which row of the table below shows the correct chambers of the heart, from those with the thinnest walls to those with the thickest?
| thinnest → thickest | ||
A | left ventricle | right ventricle | left atrium |
B | left atrium | left ventricle | right ventricle |
C | right ventricle | left atrium | left ventricle |
D | left atrium | right ventricle | left ventricle |
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Which of the following statements would be incorrect for most of the veins in the human body?
They carry blood at low pressure.
They have valves.
They have a pulse.
They return blood to the heart.
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The blood contains lymphocytes.
What is their purpose?
Transport of hormones
Phagocytosis
Antibody production
Blood clotting
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The diagram shows a section through a human heart.
Which blood vessel is the pulmonary vein?
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Which part of the blood contains haemoglobin?
plasma
platelets
red blood cells
white blood cells
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The diagram shows a cross-section through a human blood vessel.
Which type of blood vessel does the diagram show?
an artery
a capillary
a vein
a ventricle
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What is a function of some white blood cells?
to carry glucose
to carry oxygen
to produce antibiotics
to produce antibodies
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The diagram shows a cross-section through the heart of a mammal.
Which row correctly identifies P, Q and R?
P | Q | R | |
|---|---|---|---|
A | valve | right atrium | right ventricle |
B | left atrium | valve | left ventricle |
C | right ventricle | right atrium | valve |
D | right atrium | valve | right ventricle |
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How does blood exit the heart?
through arteries from the atria
through arteries from the ventricles
through veins from the atria
through veins from the ventricles
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Which of the following is a correct explanation as to why mammals have a double circulatory system?
To reduce pressure of blood returning from the lungs to supply cells of the body most efficiently with the reactants for respiration.
To increase the pressure of blood sent to the lungs to supply cells of the body most efficiently with the reactants for respiration.
To increase the pressure of blood returning from the lungs to supply cells of the body most efficiently with the reactants for respiration.
To reduce pressure of blood sent to the lungs to supply the cells most efficiently with the products for respiration.
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The diagram below shows a vertical section through a human heart.
Which row of the following table has the correct names for the structures labelled in the diagram?
| X | Y | Z |
A | atrioventricular valve | semilunar valve | septum |
B | semilunar valve | atrioventricular valve | septum |
C | semilunar valve | semilunar valve | atrioventricular valve |
D | atrioventricular valve | atrioventricular valve | septum |
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The diagram below shows the human heart and some of the blood vessels associated with it.
Before blood in P reaches Q, what must it do?
Pass through capillaries
Absorb glucose
Transfer heat to the skin
Travel to the head
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The image below shows a cross-section of a blood vessel taken from an arm.
Which type of blood vessel is shown in the image, and in which direction will blood flow?
| type of vessel | direction of flow | oxygenation of blood |
A | capillary | S to T | low |
B | vein | T to S | high |
C | artery | S to T | high |
D | vein | T to S | low |
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Some components of the blood of a mammal are shown in the image below.
Which row of the table has the correct cells from the image above assigned to their names?
| lymphocyte | phagocyte | platelets |
A | 4 | 2 | 3 |
B | 2 | 4 | 3 |
C | 1 | 2 | 1 |
D | 2 | 4 | 1 |
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What happens to the heart valves when the ventricles contract?
atrioventricular valves | semilunar valves | |
|---|---|---|
A | close | close |
B | close | open |
C | open | close |
D | open | open |
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What are the main vessels carrying blood to and from the kidney?
to kidney | from kidney | |
A | pulmonary artery | pulmonary vein |
B | pulmonary vein | pulmonary artery |
C | renal artery | renal vein |
D | renal vein | renal artery |
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Which process is slower than normal in a person with very few platelets?
Antibody formation
Blood clotting
Oxygen transport
Phagocytosis
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The diagram shows the circulatory system of a fish.
Where in the circulatory system is the oxygen concentration lowest?
X only
X and Y
Y only
Y and Z
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The diagram shows the blood vessels associated with the liver.
What is the blood vessel labelled X?
hepatic artery
hepatic portal vein
hepatic vein
bile duct
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The following are statements about blood.
Red blood cells transport oxygen.
Plasma transports hormones.
Platelets destroy pathogens.
Which statements are correct?
1 only
1 and 2 only
2 and 3 only
1, 2 and 3
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Which of the following correctly lists features of a capillary?
thin walls and narrow lumen
valves and a large lumen
thick walls and a narrow lumen
thin walls and a large lumen
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Which of the following would be found dissolved in the blood plasma of a human?
Glucose, urea and hormones
Oxygen, urea and starch
Carbon dioxide, hormones and haemoglobin
Carbon dioxide, oxygen and urea
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Which blood vessel has a relatively low carbon dioxide concentration, a high oxygen concentration and a low blood pressure?
Pulmonary artery
Pulmonary vein
Aorta
Vena cava
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In which list of the following do all three blood vessels carry deoxygenated blood?
aorta, pulmonary vein, renal artery
vena cava, pulmonary vein, renal vein
vena cava, pulmonary artery, renal vein
aorta, pulmonary artery, renal artery
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Four different stages in one heartbeat are shown in the diagram below.
Which of the following depicts a correct order of stages?
W→ X → Y → Z
X → Z → W → Y
W → Y → Z → X
X → W → Y → Z
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Which of the following depicts the correct order of stages in the formation of a blood clot?
soluble fibrin → insoluble fibrinogen → blood clot
soluble fibrinogen → insoluble fibrin → blood clot
insoluble fibrin → soluble fibrinogen → blood clot
insoluble fibrinogen → soluble fibrin→ blood clot
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Look at the sentences below and select the correct answer
The right ventricle contains ......... blood
Blood from the right ventricle flows to the .........
The blood flows out of the right ventricle via the .........
oxygenated
lungs
pulmonary artery
deoxygenated
body
pulmonary artery
oxygenated
lungs
pulmonary vein
deoxygenated
lungs
pulmonary artery
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A student recorded their pulse rate immediately after stopping exercise, and then every minute for 6 minutes. The results are shown in the table.
Time (min) | Pulse rate (bpm) |
0 | 175 |
1 | 135 |
2 | 110 |
3 | 89 |
4 | 68 |
5 | 66 |
6 | 66 |
Which of the following statements is correct?
The pulse decreases at a constant rate over the six minute time period.
The pulse rate decreased by more than 40% in the first two minutes of recovery.
The greatest decrease in pulse rate occurred in the first minute after exercise stopped.
The pulse rate after 3 minutes was less than half of the pulse rate immediately after exercise stopped.
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Below are statements about the components of blood and their functions.
White blood cells produce antibodies and carry out phagocytosis
Red blood cells transport oxygen using haemoglobin
Platelets transport hormones and nutrients around the body
Plasma transports carbon dioxide and urea
Which statements are correct?
1 and 2 only
2 and 4 only
1, 2 and 4 only
2, 3 and 4 only
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