887943
Descripción
Test por Nicole Saville, actualizado hace más de 1 año
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Creado por Nicole Saville
hace más de 10 años
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Pregunta 1
Pregunta
What is fitness?
Respuesta
-
Being free from illness or disease
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The ability to carry out physical activity
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Being physically attractive
Pregunta 2
Pregunta
What causes heart disease?
Respuesta
-
A broken heart due to love
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Restricted blood flow to the heart muscle
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It's hereditary
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Pathogens in the heart
Pregunta 3
Pregunta
What is the risk of getting heart disease increased by?
Respuesta
-
A high level of saturated fat in the diet
-
A build up of cholesterol in the arteries
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Eating high levels of salt
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Smoking
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Lifting weights
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Drinking too much water
Pregunta 4
Pregunta
What is the risk of getting heart disease increased by?
Respuesta
-
A high level of saturated fat in the diet
-
A build up of cholesterol in the arteries
-
Eating high levels of salt
-
Smoking
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Lifting weights
-
Drinking too much water
Pregunta 5
Pregunta
What can you use to determine whether a person is over/underweight?
Respuesta
-
EAR (0.6 x body mass in kg)
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BMI (mass in kg/ height in m squared)
Pregunta 6
Pregunta
What is a first-class protein?
Respuesta
-
Proteins from plants
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Proteins that are genetically engineered to contain extra amino acids
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Proteins from animal which contain all of the essential amino acids that can't be made by the human body
Pregunta 7
Pregunta
What is Plasmodium?
Respuesta
-
A protozoan which feeds on red blood cells
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A type of insect found in the rain forest
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A liquid found inside bones which thins the blood
Pregunta 8
Pregunta
A parasite is an organism that feeds on another living organism, causing it harm - true or false?
Respuesta
- True
- False
Pregunta 9
Pregunta
Mosquitoes are protozoans - true or false?
Respuesta
- True
- False
Pregunta 10
Pregunta
What is a pathogen?
Respuesta
-
A disease-causing organism
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An organism produced by white blood cells which lock onto the surface of antigens
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Part of a plant
Pregunta 11
Pregunta
What do antibiotics do?
Respuesta
-
Destroy pathogens
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Slow down the pathogens development
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Treat viruses
Pregunta 12
Pregunta
A placebo is a type of antiviral drug
Respuesta
- True
- False
Pregunta 13
Pregunta
What is a blind trial?
Respuesta
-
A drug trial in which the patient is blind folded
-
A drug trial in which the patient doesn't know whether they're receiving a real drug or a placebo
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A drug trial in which neither the patient nor the doctor know whether they're receiving a drug or a pacebo
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A trial with only placebos
Pregunta 14
Pregunta
What has excessive use of antibiotics resulted in?
Respuesta
-
Resistant forms of the bacteria becoming more common than non-resistant forms
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The drugs tasting nicer
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Doctors becoming addicted to them
Pregunta 15
Pregunta
Passive immunisation is long term
Respuesta
- True
- False
Pregunta 16
Pregunta
What does the cornea do?
Respuesta
-
contracts and relaxes to control how much light enters the eye
-
refracts light as it enters the eye
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controls hormone release in the feet
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sends nerve impulses from the fingers to the brain
Pregunta 17
Pregunta
What type of lens should be prescribed to someone who is short sighted?
Respuesta
-
concave
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convex
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complex
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cornea
Pregunta 18
Pregunta
The gap between neurones is called a...
Respuesta
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relay
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nerve
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synapse
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iris
Pregunta 19
Pregunta
What is the reflex arc?
Respuesta
-
stimulus - receptor - sensory neurone - central nervous system - motor neurone - effector - response
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receptor - response - sensory neurone - relay neurone - motor neurone - effector
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stimulus - motor neurone - central nervous system - relay neurone - effector - response
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receptor - sensory neurone - relay neurone - motor neurone - central nervous system - effector
Pregunta 20
Pregunta
Hypothermia is...
Respuesta
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A very low temperature
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A very high temperature
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Maintaining a constant internal environment
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Very low blood sugar levels
Pregunta 21
Pregunta
The hypothalamus...
Respuesta
-
Monitors body temperature
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Is damaged by too much alcohol consumption
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Is in the brain
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Is in the chest
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Controls insulin levels
Pregunta 22
Pregunta
Vasodilation is...
Respuesta
-
The widening of blood vessels
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The narrowing of blood vessels
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A reaction to being too hot
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A way of controlling plant hormones
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Triggered by the nervous and hormonal systems
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A reaction to drug overdose
Pregunta 23
Pregunta
Type 1 diabetes is caused by the pancreas producing too much insulin
Respuesta
- True
- False
Pregunta 24
Pregunta
Type 2 diabetes can be controlled by diet
Respuesta
- True
- False
Pregunta 25
Pregunta
What does insulin do?
Respuesta
-
Converts excess glycogen to glucose for use
-
Converts excess glucose to glycogen to be stored in the liver
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Makes food sweeter
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Causes Type 2 diabetes
Pregunta 26
Pregunta
What are the effects of smoking?
Respuesta
-
cigarette smoke contains chemicals which stop the cilia moving
-
Increased risk of lung cancer
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Causes diabetes
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You will get fined by the police
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People will stop being friends with you
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Dust particulates irritate the epithelial lining
-
Dust particulates irritate the small intestine lining
Pregunta 27
Pregunta
Phototropism is a plants response to gravity
Respuesta
- True
- False
Pregunta 28
Pregunta
What do auxins do?
Respuesta
-
Increase the height and weight of a plant
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Elongate cells on the shaded side of a plant to tilt it towards the light
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Feed on plants
Pregunta 29
Pregunta
Plant roots are positively geotropic
Respuesta
- True
- False
Pregunta 30
Pregunta
What are the uses of plant hormones?
Respuesta
-
Selective weed killers
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To increase root growth of plant cuttings
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To make a plant sexually active
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To delay or accelerate fruit ripening
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To reverse the ageing process of plants, making them younger
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To control seed dormancy
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To replace farmers
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