Lecture 28- Infectious Disease Flashcards

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1
Q

What is a pathogen?

A

Any organism that can cause disease

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2
Q

What is the difference between an epidemic and a pandemic?

A

Epidemic is a widespread outbreak, Pandemic is a worldwide outbreak

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3
Q

How is Borrelia burgdorferi transmitted to humans?

A

Vectored by ticks

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4
Q

What is virulence?

A

The ability of a pathogen or microorganism to cause disease

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5
Q

What are merozoites and what do they do?

A

Plasmodium cells that penetrate erythrocytes (red blood cells) and divide

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6
Q

True or False: Lyme disease can be treated with antibiotics.

A

TRUE

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7
Q

How is malaria vectored?

A

Anopheles mosquitos

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8
Q

___________ are cells that develop in a mosquito’s salivary glands, leave the mosquito during a blood meal, and enter hepatocytes, where they multiply

A

Sporozoites (n)

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9
Q

What happens to merozoites (n) after they penetrate erythrocytes and divide?

A

Form gametocytes (n)

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10
Q

A(n) __________ virus is one that can be transmitted from animals to humans.

A

Zoonotic

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11
Q

What happens to gametocytes (n) after a mosquito feeds on the host?

A

Fertilization, zygote, meiosis-> oocyst forms
Sporozoites produced in mosquito

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