16535500
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace casi 6 años
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Pregunta 1
Pregunta
Which substances are dissolved in human blood plasma?
Respuesta
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A carbon dioxide, haemoglobin and glucose
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B carbon dioxide, oxygen and haemoglobin
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C glucose, hormones and urea
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D oxygen, urea and starch
Pregunta 2
Pregunta
Which chamber of the heart has the thickest muscle wall?
Respuesta
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A left atrium
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B left ventricle
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C right atrium
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D right ventricle
Pregunta 3
Pregunta
The diagram shows the human heart and some of the blood vessels connected to it.
Before blood in W reaches Z it must......
Image:
Q1 (binary/octet-stream)
Respuesta
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A gain glucose.
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B give up heat to the skin.
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C pass through capillaries.
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D travel to the head.
Pregunta 4
Pregunta
Which blood vessel has a high carbon dioxide concentration, a low oxygen concentration and a high blood pressure?
Respuesta
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A aorta
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B pulmonary artery
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C pulmonary vein
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D renal artery
Pregunta 5
Pregunta
The diagram shows a section through the heart.
Which part pumps blood to the aorta?
Image:
Q5 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 6
Pregunta
The diagram shows a section through a blood vessel in the leg.
Which type of blood vessel is shown, and in which direction does the blood flow?
Image:
Q6 (binary/octet-stream)
Respuesta
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A Type of blood vessel: Artery; Direction of flow: P to Q.
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B Type of blood vessel: Artery; Direction of flow: Q to P.
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C Type of blood vessel: Vein; Direction of flow: P to Q.
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D Type of blood vessel: Vein; Direction of flow: Q to P:.
Pregunta 7
Pregunta
Which statement is correct for most veins in the human body?
Respuesta
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A They carry blood at high pressure.
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B They have a pulse.
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C They have valves.
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D They take blood away from the heart.
Pregunta 8
Pregunta
The diagram shows a vertical section through a human heart.
What are X and Y?
Image:
Q8 (binary/octet-stream)
Respuesta
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A X = left atrium; Y = right ventricle
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B X = left ventricle; Y = right atrium
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C X = right atrium; Y = left ventricle
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D X = right ventricle; Y = left atrium
Pregunta 9
Pregunta
The diagrams show some components of the blood of a mammal.
Which component causes the blood to start clotting?
Image:
Q9 (binary/octet-stream)
Respuesta
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A
-
B
-
C
-
D
Pregunta 10
Pregunta
The diagrams show four different stages in one heart beat.
What is the correct order for the stages after stage P?
Image:
Q10 (binary/octet-stream)
Respuesta
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A Q → R → S
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B R → Q → S
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C R → S → Q
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D S → R → Q
Pregunta 11
Pregunta
Where does haemoglobin become oxyhaemoglobin?
Respuesta
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A heart
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B kidneys
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C liver
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D lungs
Pregunta 12
Pregunta
What is the correct sequence for blood being pumped from the heart to the lungs?
Respuesta
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A left atrium → left ventricle → pulmonary artery
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B left atrium → left ventricle → pulmonary vein
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C right atrium → right ventricle → pulmonary artery
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D right atrium → right ventricle → pulmonary vein
Pregunta 13
Pregunta
Why is the circulatory system of mammals described as a double circulation?
Respuesta
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A Blood flows firstly through arteries and then through veins.
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B Blood flows through the heart twice on one complete circuit of the body.
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C In the heart, blood flows firstly through atria and then through ventricles.
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D The atria and the ventricles contract alternately.
Pregunta 14
Pregunta
Which substance is transported by haemoglobin?
Respuesta
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A nitrogen
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B oxygen
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C urea
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D water
Pregunta 15
Pregunta
The diagram shows human blood as seen through a light microscope.
A person’s blood is unable to clot.
Which component of the blood is not functioning properly?
Image:
Q15 (binary/octet-stream)
Respuesta
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A
-
B
-
C
-
D
Pregunta 16
Pregunta
In which list do all three blood vessels carry oxygenated blood?
Respuesta
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A aorta, pulmonary artery, renal artery
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B aorta, pulmonary vein, renal artery
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C vena cava, pulmonary artery, renal vein
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D vena cava, pulmonary vein, renal vein
Pregunta 17
Pregunta
In a person with a low platelet level, which process is slower than normal?
Respuesta
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A antibody formation
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B blood clotting
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C oxygen transport
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D phagocytosis
Pregunta 18
Pregunta
Which blood vessel contains valves?
Respuesta
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A arteriole
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B capillary
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C renal artery
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D renal vein
Pregunta 19
Pregunta
When blood is flowing through a vena cava, which main blood vessel will it flow through next?
Respuesta
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A hepatic portal vein
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B hepatic vein
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C pulmonary artery
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D pulmonary vein
Pregunta 20
Pregunta
Which heart valves are open and which are closed when blood passes out of the right ventricle towards the lungs?
Respuesta
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A bicuspid (mitral) valve closed, tricuspid valve open
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B bicuspid (mitral) valve open, semi-lunar valve closed
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C tricuspid valve closed, semi-lunar valve open
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D tricuspid valve open, bicuspid (mitral) valve open
Pregunta 21
Pregunta
The diagram shows the circulatory system of a mammal.
What describes the blood in vessels X and Y?
Image:
Q21 (binary/octet-stream)
Respuesta
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A X: deoxygenated; Y: deoxygenated
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B X: deoxygenated; Y: oxygenated
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C X: oxygenated; Y: deoxygenated
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D X: oxygenated; Y: oxygenated
Pregunta 22
Pregunta
The diagram shows a double circulatory system.
Which vessels carry oxygenated blood?
Image:
Q22 (binary/octet-stream)
Respuesta
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A 1 and 2
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B 1 and 4
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C 2 and 3
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D 2 and 4
Pregunta 23
Respuesta
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A cell X: carries out phagocytosis; cell Y: carries oxygen
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B cell X: carries oxygen; cell Y: produces antibodies
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C cell X: carries oxygen; cell Y: carries carbon dioxide
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D cell X: produces antibodies; cell Y: carries oxygen
Pregunta 24
Pregunta
What shows the sequence of organs through which urea passes as it travels from where it is produced to where it is removed from the blood?
Respuesta
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A kidneys → heart → lungs → heart → liver
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B kidneys → heart → liver → lungs → heart
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C liver → heart → lungs → heart → kidneys
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D liver → lungs → heart → kidneys → heart
Pregunta 25
Pregunta
The graph shows the effect of several minutes of vigorous (hard) exercise on heart rate.
Which letter on the graph is at a time when the person is doing this exercise?
Image:
Q25 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 26
Pregunta
Which blood vessel, if it becomes blocked, could lead directly to a heart attack?
Respuesta
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A coronary artery
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B pulmonary artery
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C pulmonary vein
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D vena cava
Pregunta 27
Respuesta
-
A
-
B
-
C
-
D
Pregunta 28
Pregunta
The centre diagram shows the heart as seen from the front.
Which section shows the heart cut through line P-Q?
Image:
Q28 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 29
Pregunta
What is the characteristic feature of a double circulation?
Respuesta
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A In each circuit, blood passes from the gut to the liver before going back to the heart.
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B In each circuit, blood passes from the heart to the lungs and then back to the heart before going to other parts of the body.
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C In each circuit, blood passes through atria and ventricles before going to other parts of the body.
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D In each circuit, blood passes through the arteries and the capillaries before returning to the heart in veins.
Pregunta 30
Pregunta
Which group contains substances that are all carried in the blood?
Respuesta
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A amino acids, carbon dioxide and cellulose
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B glucose, glycogen and lactic acid
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C oestrogen, oxygen and starch
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D salts, testosterone and urea
Pregunta 31
Pregunta
How often must a blood cell in the renal artery pass through the heart before it again reaches the renal artery?
Respuesta
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A once
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B twice
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C three time
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D four times
Pregunta 32
Pregunta
The photograph shows human blood cells as seen under a microscope at high power.
Which are red cells?
Image:
Q32 (binary/octet-stream)
Respuesta
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A P and Q
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B Q and R
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C R and S
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D S and P
Pregunta 33
Pregunta
The diagram shows the human heart.
Which two chambers contract at the same time?
Image:
Q33 (binary/octet-stream)
Respuesta
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A W and X
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B W and Z
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C X and Z
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D X and Y
Pregunta 34
Pregunta
The diagram shows a double circulatory system.
Which two vessels carry blood at the highest pressure?
Image:
Q34 (binary/octet-stream)
Respuesta
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A 1 and 2
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B 1 and 4
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C 2 and 3
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D 2 and 4
Pregunta 35
Pregunta
The diagram shows blood as seen under a microscope.
Which identifies parts P, Q, R and S of the blood?
Image:
Q35 (binary/octet-stream)
Respuesta
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A plasma: P, platelet: Q, white blood cell: R, red blood cell: S.
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B plasma: Q, platelet: P, white blood cell: S, red blood cell: R.
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C plasma: R, platelet: S, white blood cell: Q, red blood cell: P.
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D plasma: S, platelet: R, white blood cell: P, red blood cell: Q.
Pregunta 36
Pregunta
The diagram shows part of the human circulatory system.
Which part carries oxygenated blood at low pressure?
Image:
Q36 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
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