Keeping Healthy Flashcards

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0
Q

What is the name given to the rate at which chemical reactions occur in the body?

A

Metabolic rate

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1
Q

Put the following people in order of how much energy that are likely to need in their diet (from highest to lowest):
•Office worker
•Professional athlete
•PE teacher

A

Professional athlete
PE teacher
Office worker

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2
Q

What term is used to describe someone who does not eat a balanced diet?

A

Malnourished

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3
Q

Does exercise increase or decrease the amount of energy used by the body?

A

Increase

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4
Q

What type of pathogen reproduces inside loving cells?

A

Viruses

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5
Q

What are headaches and fever examples of?

A

Symptoms of a disease

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6
Q

Who was responsible for insisting doctors was their hands in hospitals?

A

Semmelweis

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7
Q

What do white blood cells produce to kill pathogens?

A

Antibodies

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8
Q

How are bacterial pathogens that aren’t affected by antibiotics described?

A

Resistant

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9
Q

What does malnourished mean?

A

Suffering from a lack of essential food nutrients.

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10
Q

What does obesity mean?

A

The condition of being overweight.

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11
Q

What does deficiency disease mean?

A

A disease caused by the lack of an essential element in the diet.

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12
Q

What does metabolic rate mean?

A

The rate at which an animal uses energy over a given time period.

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13
Q

What does cholesterol mean?

A

A fatty substance that is found in all cells of the body.

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14
Q

What does infectious mean?

A

A disease that is easily spread through air, water, etc.

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15
Q

What is a pathogen?

A

A disease causing microorganism.

16
Q

What is a bacteria?

A

A single-celled microorganism that has no nucleus.

17
Q

What is a toxin?

A

A poison produced by a living organism.

18
Q

What is an antibody?

A

A protein produced in the body by the immune system to kill particular pathogens.

19
Q

What is a vaccine.

A

A liquid preparation containing inactive or dead pathogens, used to make the body produce antibodies to provide protection against disease.

20
Q

How was Semmelweis?

A

A doctor who recognised the importance of good hygiene in hospitals.

21
Q

What is an antibiotic?

A

Medication uses to kill bacterial pathogens inside the body.

22
Q

What is MRSA?

A

An antibiotic-resistant bacterium; a ‘superbug’

23
Q

What is mutation?

A

A spontaneous change on the genetic material of a cell.

24
Q

What is sterilisation?

A

Making something free from all microorganisms.

25
Q

What is a petri dish?

A

A round, shallow dish used to grow bacteria.

26
Q

What is culture medium?

A

A substance that provides the nutrients for the artificial growth of bacteria and other cells.

27
Q

What does incubated mean?

A

To grow under conditions that encourage development in a laboratory under controlled condition.

28
Q

After exercise:

A

After exercise the metabolic rate stays high for a while.

29
Q

What is a feature of low-density lipoproteins (LDLs)?

A

A feature of LDLs is they carry cholesterol from the liver to the cells of the body.

30
Q

What is it best to have for a healthy heart?

A

It is best to have a high proportion of HDL compared to LDL for a healthy heart.

31
Q

Which of these is one of the main problems with bacteria?

A

They produce toxins

32
Q

What is one of the functions of white blood cells?

A

One of the functions of white blood cells is to ingest and destroy pathogens

33
Q

How do antibiotics work?

A

Antibiotics work by stopping bacteria from reproducing

34
Q

What can vaccination involve?

A

Vaccination can involve injecting an inactive form of the pathogen to stimulate immunity.

35
Q

It is important to use antibiotics carefully because:

A

We should be careful not to over-use antibiotics because dangerous strains of resistant bacteria may develop by natural selection.