Electrical and Chemical Signals This is a product of the science department of Dartford Technology...
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![Page 1: Electrical and Chemical Signals This is a product of the science department of Dartford Technology College.](https://reader035.fdocuments.in/reader035/viewer/2022070404/56649f385503460f94c5440a/html5/thumbnails/1.jpg)
Electrical and Chemical Signals
This is a product of the science department of Dartford
Technology College
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Question 1
What do we call a signal carried by the nerves in your body?
• Nervous signal
• Electrical impulse
• Data stream
• Signal flow
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Question 2
What do we call the gap between two neurones?
• Synapse
• Junction
• Terminus
• Linkage
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Question 3
What term is used for a loud sound, a hot object, something sharp or a frightening experience?
• Contract
• Synapse
• Stimulus
• Neurone
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Question 4
After a stimulus, the electrical impulse passes up the?
• Relay neurone
• Motor neurone
• Sensory neurone
• Synapse
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Question 5
What does a CNS stand for?
• Central News Section
• Central Nervous System
• Central Nerve Signal
• Central News Signal
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Question 6
What do we call the following; stimulus, sensory neurone, relay neurone, motor neurone, effectors?
• Reflex set
• Reflex list
• Reflex arc
• Reflex term
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Question 7
What do we call the chemical messengers of the body?
• Hormones
• Vitamins
• Cholesterol
• Peptides
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Question 8
The hormone insulin controls the level of sugar in the blood but where is it made?
• Thyroid
• Pancreas
• Kidney
• Stomach
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Question 9
Give the name of the male sex hormone?
• Oestrogen
• Progesterone
• Adrenaline
• Testosterone
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Question 10
A blood clot in the brain which causes brain cells to die is called a … ?
• Tumour
• Cancer
• Stroke
• Burst
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Question 11
Part of the eye that controls the amount of light that enters?
• Cornea
• Retina
• Lens
• Iris
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Question 12
What do we call the inner lining of the eye that detects light and contains rods and cones?
• Cornea
• Lens
• Pupil
• Retina
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Question 13
The cones in the retina are for colour vision. What are rods for?
• Strong light intensity
• Low light intensity
• Total darkness
• Infra-red
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Question 14
What do we call the disease where the body is unable to control the level of sugar in the blood?
• Malaria
• Dwarfism
• Diabetes
• Typhoid
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Question 15
Select the hormone responsible for maintaining the uterus lining after ovulation?
• Oestrogen
• Testosterone
• Adrenaline
• Progesterone
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Question 16
What organelle of the body produces hormones?
• Duct
• Gland
• Vesicle
• Epithelia
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Question 17
Select the word that means the lens can change its thickness to focus on near and far objects?
• Adjustment
• Apparent
• Accommodation
• Accolade
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Question 18
What do we call the release of an egg from the ovary?
• Oviparous
• Ovulation
• Ovarian
• Overburden
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Question 19
A useful microorganism found in the stomach. Others can cause disease?
• Fungi
• Nematodes
• Bacteria
• Virus
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Question 20
Artificial insemination means to insert sperm into a woman from a donor to?
• Make a robot
• Fertilise an egg
• To produce more sperm
• To release more eggs
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