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exammm1 > Lecture 7 - Defining Disease > Flashcards

Lecture 7 - Defining Disease Flashcards

1
Q

What are infectious agents that can cause disease in humans?

A 
Prions
Viruses
Bacteria
Fungi
Protoctista
and Parasitic invertebrates
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2
Q

What causes Influenza?

A

A Virus

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3
Q

What causes Ringworm?

A

Fungus

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4
Q

What causes Malaria?

A

Protozoan

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5
Q

What causes tuberculosis?

A

Bacteria?

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6
Q

What causes CFD?

A

Prion

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7
Q

What causes Pin Worms?

A

Parastic worm

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8
Q

What is a disease?

A

A condition with a specific curse in which part of all of an organism is made to function in an abnormal or less efficient manner

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9
Q

What is a symptom?

A

Indications of a disease noticed by the patient

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10
Q

What is a sign?

A

Indications of a disease that are picked by the doctor but not necessarily the patient

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11
Q

What are the Clinical Signs and Symptoms of Stomach Ulcer?

A

Symptoms:
Tired, pale, out of breath, stomach pain

Clinical Signs: H. Plyori in stool or blood sample

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12
Q

What is Kochs Postulate?

A

Suspected pathogen must always be present when the disease is present and absent when it’s not

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13
Q

What does Aetiology mean?

A

The cause of a disease and factors underlying the spread of the disease

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14
Q

What does Epidemiology mean?

A

The study and analysis of the pattern, causes and effects of health and disease conditions in defined populations.

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15
Q

What is an Epidemic?

A

A widespread occurrence of an infectious disease in a community at a particular time

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16
Q

What is a pandemic?

A

An epidemic of infetious disease that has spread through human population across a large region; for instance multiple continents or even worldwide

17
Q

What is a host?

A

A host is a living cell in which a virus reproduces

18
Q

What is a primary host

A

Primary Host = Parasite reaches maturity and if possible reproduces

19
Q

What is a Reservoir host?

A

Can harbour a pathogen indefinitely with no ill effects

20
Q

What is a vector?

A

Any living organism that transmits an infectious agent from one host to another e.g. Lyme disease from deer mice to ticks in humans

21
Q

What is a carrier?

A

Asymptomatic carrier, a person or organism is infected with an infectious disease agent, but displays no symptoms

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