SB5 Health, disease and the development of medicines Flashcards

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1
Q

What is the difference between a communicable and non-communicable disease

A

Communicable diseases are diseases that can be spread to other people via bodily fluids or sometimes even air whilst non-communicable diseases cant be spread from person to person and are usually to do with unhealthy habits.

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2
Q

What is the definition of health and disease?

A

A diseases is a disorder that affects health by affecting an organisms body, organs, tissues or cells. Any deviation from the normal structure or function of any body part, organ or system that is manifested by a characteristics of symptoms.

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3
Q

What is Cardiovascular disease?

A

Cardiovascular disease refers to diseases that affect the heart, the blood vessels and the circulatory system.

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4
Q

What are some risk factors of cardiovascular disease?

A

Cardiovascular disease has many risk factors, and a few of these include, but are not limited to, genetics, obesity, smoking, other infections, increased alcohol consumption and old age.
Additionally, another two factors are heightened cholesterol levels and increased stress. These cause cardiovascular disease because in effect, they block the arteries connected to the heart.
Another risk of cardiovascular disease is that if you have a few arteries that are already blocked, it greatly increases your chances of developing a cardiovascular disease.

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5
Q

Name 4 pathogens that are spread through the air?

A

Covid 19, Influenza, chicken pox, Tuberculosis

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6
Q

What is a vector?

A

A vector acts as a carrier for diseases

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7
Q

What is the difference between the Lytic and the Lysogenic cycle?

A

The lytic cycle involves the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell. The lysogenic cycle involves the incorporation of the viral genome into the host cell genome, infecting it from within.

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8
Q

What are the 2 major types of plant defenses?

A

The 2 main types of plant barriers are chemical and physical barriers , physical barriers are things such as thorns or hairy stems whilst chemical barriers are things such as poison.

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