B1 Flashcards

(61 cards)

0
Q

How can you measure you fitness levels?

A
Stamina
Flexibility
Agility
Speed
Cardiovascular efficiency
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1
Q

What is physical fitness?

A

The ability to do physical activity

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2
Q

That is good health?

A

Being free from disease

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3
Q

What is a disease

A

A condition caused by any part of the body not functioning properly

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4
Q

What increases the chances of getting heart disease?

A

High blood pressure
Smoking
Too much saturated fat
Eating too much salt

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5
Q

What is the systolic pressure?

A

The pressure in the arteries when the heart contracts

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6
Q

What is the diastolic pressure?

A

The pressure in the arteries when the heart relaxes

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7
Q

What can increase the resting blood pressure?

A
Smoking
Eating too much salt
Being overweight
Stress
Too much alcohol regularly
Lots of saturated fats
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8
Q

If high blood pressure when resting then…

A

Heart attack
Stroke
Suffer from kidney damage

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9
Q

How does smoking increase the blood pressure?

A

Tobacco contains carbon monoxide and nicotine

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10
Q

What does carbon monoxide do?

A

It combines with the haemoglobin in the red blood cells and prevents them from carrying that much oxygen. This means that the heart needs to beat faster to compensate and puts an strain on the heart.

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11
Q

What does nicotine do?

A

It increases the heart rate

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12
Q

How does saturated fat increase the blood pressure?

A

Liver makes cholesterol
Carried into blood and deposited into artery walls
Narrows arteries and restricts blood flow. Increases blood pressure as blood forces trough narrower gap

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13
Q

What is a balanced diet?

A

A diet that contains the right amounts of different foods and right amounts of energy to keep healthy

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14
Q

What nutrients that do not provide energy does it include?

A

Water
Minerals
Fibre
Vitamins

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15
Q

Why do you need carbohydrates and where are they stored?

A

Needed for energy stored as glycogen as liver or converted to fat.

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16
Q

Why is proteins needed?

A

For growth and repair

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17
Q

Why is iron needed?

A

To make haemoglobin

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18
Q

Why is vitamin c needed?

A

To prevent scurvy

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19
Q

What is fibre needed?

A

To prevent constipation

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20
Q

Why do you need water?

A

To prevent dehydration

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21
Q

A balanced diet may vary with…

A

Age
Gender
Religion
Medical reasons

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22
Q

What is EAR needed for?

A

Calculating how much protein is needed per day

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23
Q

Why would people not get enough protein in developing countries?

A

Overpopulation
Limited investment in agricultural techniques
Eating more protein from plants than animals

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24
What is the deficiency disease that children would get if they do not have enough protein?
Kwashiorkor
25
Why may people eat too little in developed countries?
Low self esteem Poor self image Looking better if thin
26
What is BMI for?
To calculate whether you have a healthy weight.
27
What are obese people more likely to suffer from?
Heart disease Diabetes Arthritis Breast cancer
28
What are infectious diseases caused by?
Harmful microorganism invading the body.
29
Give an example of a host
You body
30
Why are microorganisms parasites?
Because they live, gain nutrients and shelter in the body.
31
Vitamin deficiency
Scurvy
32
Mineral deficiency
Anaemia (lack of iron)
33
Body disorder
diabetes/ cancer
34
genetic inheritence
red-greeen colour blindness
35
What is a tumour
When the cancer cells keep on deviding and forms and abnormal mass
36
How can the risk of certain cancers be stopped?
By adopting a health diet and lifestyle
37
What can some people do to reduce the risk of cancer?
``` Sunbathe a little reduce smoking avoid eating too much red mean and processed food regular exercise avoid being overweight ```
38
What is a benign tumour?
A tumour that does not spread to other parts of the body
39
What is a malignant tumour?
A tumour that spreads to other parts of the body
40
What is the name to disease-causing microorganisms?
Pathogens
41
Fungi
Athletes foot
42
Bacteria
Cholera
43
Viruses
Flu
44
Protozoa
Malaria
45
Steps to control malaria
Sleeping under the mosquito nets Draining stagnant water Using insecticides to kill mosquitoes
46
What are antibiotics?
Chemicals produced by fungi and bacteria, to prevent and kill the growth of other bacteria and fungi
47
When does the systolic pressure increase?
When you exercise
48
What is your source of energy?
Eating food
49
How may you balanced diet vary without ethics?
Vegetarian or vegan
50
What is thrombosis?
Cholesterol deposits that may lead to a blood clot
51
What can cause a stroke?
Thrombosis in an artery supplying the brain
52
What can cause a heart attack?
Thrombosis in an artery supplying the heart muscles
53
What does the liver make cholesterol from?
Saturated fat such as , milk, butter, cheese, red meat
54
How may saturated fat increase you blood pressure?
Cholesterol is deposited in artery wall after being carried from the blood. The deposits narrow the arteries and restrict blood flow. The blood pressure increases to force the blood through the narrow gap.
55
When do you have resting high blood pressure and what are you more likely to have?
140/90mmHg. you cn get a heart attack, stroke, or kidney damage
56
Where are carbohydrates stored?
In the liver as glycogen or they are converted to fat
57
WHere is fat stored?
Under the skin and around organs as adipose tissues
58
Are proteins, iron, vitamin c, fibre or water stored?
No!
59
How to calculate EAR?
0.6x body mass in kg
60
What does having kwashiorkor mean?
You have thin arms and legs and a swollen belly. The bodies cannot fight infections very well