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Medicine Year 1 > Week 120 Pyrexia > Flashcards

Week 120 Pyrexia Flashcards

1
Q

What is pyrexia?

A

38.3 degrees or above

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2
Q

A patient presents with a high temperature 38.9C and a bullseye rash. The GP suspects the patient has Lyme Disease. Which of these is the causative organism?

A

Borrelia

Bulls eye rash

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3
Q

A toddler has erythematous macules and papules on their face. Koplik spots are found on the soft palate. What is the most likely causative organism?

A

Measles

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4
Q

Measles features

A

Erythematous macules and papules on face spread cephalocaudally and centrifigally
Koplik spots

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5
Q

Rubella

A

Pruritic, pink to red macules and papules which begin on face and spread to neck, trunk and extremities over 24 hrs
Forchheimer’s sign

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6
Q

Erythema infectiosum

A

Begins with bright red cheeks

As facial rash fades, 1-4 days= symmetric, erythematous, reticular eruption appears on trunk and extremities

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7
Q

Roseola infantum (exanthem subitum)

A

Pink macules and papules surrounded by white halos

Begins on trunk, spreads to neck and proximal extremities

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8
Q

etiology of measles

A

Measles virus

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9
Q

etiology of Scarlet Fever

A

Streptococcus pyogenes

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10
Q

etiology of Rubella

A

Rubella virus

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11
Q

etiology of erythema infectiosum

A

Parovirus B19

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12
Q

etiology of Roseola infantum

A

HHV6/7

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13
Q

Breast milk Ig

saliva, milk, mucous, tears

A

IgA

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14
Q

Ig that crosses placenta, secreted by plasma cells

A

IgG

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15
Q

Allergy/parasite/worms Ig

A

IgE

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16
Q

First response to infection Ig

early stages immunity

A

IgM

17
Q

IgD

A

Part of B cell receptor

Activates basophils and mast cells

18
Q

A microbiologist mentions that E.Coli is a gram negative bacteria and Staphylococcus is a gram positive bacteria. Which of the following structures is responsible for this difference in gram staining?

A

Peptidoglycan layer
(thicker in +ve)
-crystal violet stain

19
Q

There has been a problem in a local health trust with antibiotic resistance. Which of the following structures is responsible for this?

A

Plasmid (horizontal transmission)

20
Q

Which white blood cells are raised primarily in response to parasitic worm infection?

A

Eosinophils

21
Q

Neutrophil function and lifespan in blood

A

7 hours

immune defense

22
Q

Eosinophil function and lifespan in blood

A

8-12 days

defence against parasites

23
Q

Basophil function and lifespan in blood

A

a few hours-few days

inflammatory response

24
Q

monocyte function and lifespan in blood

A

3 days

immune surveillance

25
Q

B lymph

A

memory cells- years

Ab prod

26
Q

T lymph

A

Memory cell- years

Cellular Immune response

Medicine Year 1 (13 decks)

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