Human Health

Question 1

What is health

Answer 1

Health is a state of complete physical, mental, and social wellbeing and not merely the absence of disease or infirmity

Question 2

What are inherited characteristics

Answer 2

inherited characteristics are those that are controlled by DNA

Question 3

What are inherited characteristics influence by

Answer 3

The environment

Question 4

________ + ________ = ________

Answer 4

Genotype + environment = phenotype

Question 5

Every process and every reaction in the human body is controlled by what
And example sof them

Answer 5

Chemicals

E.g enzymes and hormones

Question 6

What does amylase and Maltase do

Answer 6

Amylase breaks down starch to Maltose

Maltase breaks down maltose to glucose

Question 7

What are enzymes

Answer 7

Enzymes are proteins that speed up chemical reactions, for example, digestion and respiration

Question 8

What are hormones

Answer 8

Hormones are proteins that bring about responses in the body

Question 9

There is a _____ controlling the ______ of each ______ and each _______ in the body

Answer 9

There is a gene controlling the making of each enzyme and each hormone in the body

Question 10

Examples of:
Inherited disorders 
Mutated gene
Symptoms 
Treatment

Answer 10

Cystic fibrosis

The gene that makes a protein to control salt coming out of cells

Respiratory system can become clogged with mucus

Phisiotherapy antibiotics

Question 11

Environmental factors that affect human health include the following:

Answer 11

Where a person lives
The air they breathe
The food they eat
The water they drink
Alcohol intake
Drugs intake
The people they interact with
The radiation they are exposed to
Whether they smoke or not 
Amount of physical activity 
Relaxation

Question 12

Nutrition definition

Answer 12

Nutrition is concerned with how an organism gets its food and what type of food it gets

Question 13

What is a balanced diet

Answer 13

A balanced diet includes the correct amount of protein, carbohydrate, fat, minerals, vitamins and water a person needs depending on
Age
Gender
Activity

Question 14

The benefits of eating healthy are

Answer 14

A lower risk of disease, for example, heart disease, cancer and diabetes
A healthy body mass
Feeling better

Question 15

Deficiency diseases definition

Answer 15

Deficiency diseases are disease caused by the lack of a particular food

Question 16

Why is Water essential to human health

Answer 16

It is a solvent in the body
the blood is mostly composed of water
water is needed for all enzyme actions
it helps maintain body temperature at 37°C
it helps flush toxins (poisons) out of the body

Question 17

To test a food sample for starch

Answer 17

Iodine is added to the food
if the iodine remains orange-brown starch is absent
if the iodine turns blue black starch is present

Question 18

To test a food sample for glucose

Answer 18

Method
A sample of food is placed in a test tube
the same volume of Benedict’s solution is added to the food
the Test Tube is placed in a hot water bath for a few minutes
the colour of the Benedict’s solution is recorded

Result
If the Benedict’s solution stays blue, glucose is absent
if the Benedict’s solution turns brick red glucose is present

Question 19

To test a food sample for protein

Answer 19

Method
A sample of food is placed in test tube
The same volume of sodium hydroxide is added to the food
3 to 4 drops of copper sulfate is added to the food
the colour of the solution is recorded

Result
If the biuret solution (sodium hydroxide and copper sulfate) stays blue, protein is absent
if the biuret solution turns violet, protein is present.

Question 20

Test a food sample for fat

Answer 20

Method
sample of food is rubbed onto brown paper
the food is removed from the paper and the paper is allowed to dry
the papers held up to the light to see if it is stained
result
if the paper does not have a stain that is absent. If the paper has a stain that is translucent fat is present

Question 21

The amount of energy that you get from food is known as what

Answer 21

Energy value

Question 22

Energy value is measured in what per Gram

Answer 22

Kilojoules (kj)

Question 23

The benefits of Regular activity to health are enormous. The benefits include protection against the following diseases

Answer 23

Some forms of cancer, stroke, heart disease, osteoporosis, diabetes

Question 24

What can smoking cause

Answer 24

Illness