16390270
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
The diagram represents a simple reflex arc.
What is the sequence of nerve cells through which an impulse passes during a reflex action?
Image:
Q1 (binary/octet-stream)
Respuesta
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A (First) P --> Q --> R (Last)
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B (First) Q --> R --> P (Last)
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C (First) Q --> P --> R (Last)
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D (First) R --> P --> Q (Last)
Pregunta 2
Pregunta
The diagram shows a neurone. Which structures could be found at X and Y?
Image:
Q2 (binary/octet-stream)
Respuesta
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A X: brain; Y: intestine.
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B X: brain; Y: leg.
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C X: eye; Y: hand.
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D X: gland; Y: spinal chord.
Pregunta 3
Pregunta
What will be the effect of strenuous exercise on the volume of water lost through the skin and the kidneys?
Image:
Q3 (binary/octet-stream)
Respuesta
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A
-
B
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C
-
D
Pregunta 4
Pregunta
The diagram shows a section through an eye.
Which structure controls how much light enters the pupil?
Image:
Q4 (binary/octet-stream)
Respuesta
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A
-
B
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C
-
D
Pregunta 5
Pregunta
What are the effects of adrenaline?
Respuesta
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A Breathing Rate: decreased; Pulse Rate: decreased
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B Breathing Rate: increased; Pulse Rate: increased
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C Breathing Rate: increased; Pulse Rate: no effect
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D Breathing Rate: no effect; Pulse Rate: increased
Pregunta 6
Pregunta
A person has been sitting in a room at 35 °C for 30 minutes.
What would be the effect of then drinking several glasses of iced water?
Respuesta
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A Blood Temperature: falls ; Rate of Sweating: falls
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B Blood Temperature: falls ; Rate of Sweating: rises
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C Blood Temperature: rises ; Rate of Sweating: falls
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D Blood Temperature: rises ; Rate of Sweating: rises
Pregunta 7
Pregunta
Which organ produces a hormone?
Respuesta
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A heart
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B lung
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C ovary
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D spinal cord
Pregunta 8
Pregunta
The diagram shows the structures involved in a reflex action.
What is the sequence in which impulses pass through these structures?
Image:
Q8 (binary/octet-stream)
Respuesta
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A P → S → R → Q
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B Q → R → S → P
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C Q → P → R → S
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D S → P → Q → R
Pregunta 9
Pregunta
Which part of the human eye is sensitive to light?
Respuesta
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A iris
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B lens
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C optic nerve
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D retina
Pregunta 10
Pregunta
The diagram shows an experiment to investigate the response of a plant stem to gravity.
What is a suitable control for this experiment?
Image:
Q10 (binary/octet-stream)
Respuesta
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A
-
B
-
C
-
D
Pregunta 11
Pregunta
Why do mammals sweat?
Respuesta
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A to cool the body
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B to lose water vapour through the skin surface
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C to release energy through the oxidation of glucose
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D to remove glucose from the blood
Pregunta 12
Pregunta
The diagram shows a section through part of the human eye.
When a person looks at an object which is far away from their eye, which of the following happens?
Image:
Q12 (binary/octet-stream)
Respuesta
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A suspensory ligaments: slacken; lens: becomes fatter
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B suspensory ligaments: slacken; lens: becomes thinner
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C suspensory ligaments: tighten; lens: becomes fatter
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D suspensory ligaments: tighten; lens: becomes fatter
Pregunta 13
Pregunta
The diagram shows a capillary loop in the skin of a mammal.
What will the capillary loop look like if the mammal becomes cold?
Image:
Q13 (binary/octet-stream)
Respuesta
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A
-
B
-
C
-
D
Pregunta 14
Pregunta
The diagram shows muscles and bones in a person’s arm.
What happens to the muscles as the weight is lowered?
Image:
Q14 (binary/octet-stream)
Respuesta
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A Biceps: lengthens; Triceps: lengthens
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B Biceps: lengthens; Triceps: shortens
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C Biceps: shortens; Triceps: lengthens
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D Biceps: shortens; Triceps: shortens
Pregunta 15
Pregunta
The diagram shows the density of rods and cones across a horizontal section of the retina.
What is the position of the optic nerve?
Image:
Q15 (binary/octet-stream)
Respuesta
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A
-
B
-
C
-
D
Pregunta 16
Pregunta
What are the effects of insulin and glucagon on the concentration of blood glucose?
Image:
Q16 (binary/octet-stream)
Respuesta
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A
-
B
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C
-
D
Pregunta 17
Respuesta
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A
-
B
-
C
-
D
Pregunta 18
Respuesta
-
A
-
B
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C
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D
Pregunta 19
Pregunta
The diagram shows the muscles that control the size of the pupil in an eye.
How do the muscles make the pupil smaller?
Image:
Q19 (binary/octet-stream)
Respuesta
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A
-
B
-
C
-
D
Pregunta 20
Pregunta
What would be the effects of vasodilation and sweating on the body temperature and on the amount of moisture on the surface of the skin?
Image:
Q20 (binary/octet-stream)
Respuesta
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A
-
B
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C
-
D
Pregunta 21
Pregunta
What would be the pupil size and lens shape of a person reading a mobile phone text message in a brightly-lit room?
Image:
Q21 (binary/octet-stream)
Respuesta
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A
-
B
-
C
-
D
Pregunta 22
Pregunta
The table shows a student’s water losses on a cool day.
On a hot day the student’s water intake was the same as on the cool day.
On the hot day, which water losses would increase and which would decrease?
Image:
Q22 (binary/octet-stream)
Respuesta
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A increase: in sweat; decrease: in expired air.
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B increase: in sweat; decrease: in urine.
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C increase: in urine; decrease: in faeces .
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D increase: in urine; decrease: in sweat.
Pregunta 23
Pregunta
After a meal containing carbohydrates, which row shows the changes in concentration of glucose
and urea in the blood as it passes through the liver?
Image:
Q23 (binary/octet-stream)
Respuesta
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A
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B
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C
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D
Pregunta 24
Pregunta
Which response is a result of geotropism?
Respuesta
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A flowers being produced
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B growing bigger leaves
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C roots growing downwards
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D seeds germinating
Pregunta 25
Pregunta
Which target organ releases glucose into the blood-stream as a result of the action of adrenaline?
Respuesta
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A adrenal gland
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B kidney
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C liver
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D pancreas
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