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Frage 1
Frage
Through which vessel does deoxygenated blood enter the heart?
Antworten
-
Vena cava
-
Pulmonary vein
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Pulmonary artery
-
Aorta
Frage 2
Frage
Into which chamber does oxygenated blood enter the heart?
Antworten
-
Right atrium
-
Right ventricle
-
Left atrium
-
Left ventricle
Frage 3
Frage
Out of which chamber does deoxygenated blood leave the heart?
Antworten
-
Right atrium
-
Right ventricle
-
Left atrium
-
Left ventricle
Frage 4
Frage
Through which vessel does oxygenated blood leave the heart?
Antworten
-
Vena cava
-
Pulmonary vein
-
Pulmonary artery
-
Aorta
Frage 5
Frage
True or false? The muscle in the wall of the right hand side of the heart is thicker to pump blood to the lungs.
Antworten
- True
- False
Frage 6
Frage
True or false? Cardiac muscle is supplied with oxygen by the coronary arteries.
Antworten
- True
- False
Frage 7
Frage
Which of these are features of arteries?
Antworten
-
Wide lumen
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Narrow lumen
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Muscular, elastic walls
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Valves
-
High pressure
-
Low pressure
Frage 8
Frage
Which of these are features of veins?
Antworten
-
Wide lumen
-
Narrow lumen
-
Muscular, elastic walls
-
Valves
-
High pressure
-
Low pressure
Frage 9
Frage
What is a capillary?
Antworten
-
A larva of any insect of the order Lepidoptera (butterflies)
-
A blood vessel that can only transport one red blood cell at a time
-
An architectural feature found at the top of columns
Frage 10
Frage
True or false? Stents are metal meshes filled with a balloon which are used to widen arteries with fatty deposits on them.
Antworten
- True
- False
Frage 11
Frage
Which of these is a way of dealing with badly blocked arteries, where stents do not work?
Antworten
-
Heart transplant
-
Bypass surgery
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Cholesterol-lowering diets
Frage 12
Frage
True or false? Plasma in the blood is coloured bright red.
Antworten
- True
- False
Frage 13
Frage
Which protein is used to transport oxygen in erythrocytes (red blood cells)?
Antworten
-
Melatonin
-
Keratin
-
Haemoglobin
Frage 14
Frage
True or false? Red blood cells maximise their surface area by being shaped as a biconcave disc.
Antworten
- True
- False
Frage 15
Frage
True or false? Platelets are responsible for blood clotting, converting fibrinogen into fibrin which forms a mesh over wounds.
Antworten
- True
- False
Frage 16
Frage
Which of these are types of artificial blood?
Antworten
-
Saline
-
Water
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Haemoglobin-based products
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Perfluorocarbons
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Benzene derivatives
Frage 17
Frage
True or false? Using mechanical artificial hearts carries the risk of blood clotting in the heart.
Antworten
- True
- False
Frage 18
Frage
Which vascular tissue in plants transports sugars made in photosynthesis?
Antworten
-
Phloem
-
Xylem
Frage 19
Frage
Which vascular tissue in plants transports water and mineral ions?
Antworten
-
Phloem
-
Xylem
Frage 20
Frage
True or false? The bark of trees is actually made of lignified, dead, xylem cells.
Antworten
- True
- False
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