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Principles of Disease > Quiz questions > Flashcards

Quiz questions Flashcards

1
Q

What is streptococci classed by?

A

Haemolysis

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2
Q

What is the common cause of pharyngitis and tonsilitis?

A

Strep. Pyogenes

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3
Q

What type of antimicrobial is neisseria meningitides?

A

Gram negative coccus

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4
Q

What is TB diagnosis aided by?

A

ZN stain of sputum

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5
Q

What is salmonella?

A

Gram negative bacillus

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6
Q

What is helicobacter pylori associated with?

A

Duodenal ulcers

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7
Q

What is malaria caused by?

A

Plasmodium falciparum

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8
Q

What are dermatophytes a common cause of?

A

Ringworms

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9
Q

What can serious fungal infection be treated with?

A

Intravenous amphotericin

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10
Q

What do penicillins and cephalosporins act on?

A

Cell wall synthesis

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11
Q

What is the B-lactams resistance in MRSA due to?

A

Altered penicllin binding proteins

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12
Q

What is viral infection associated with?

A

Lymphocytes and cytotoxic T cell response

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13
Q

What is phagocytosis?

A

Ingestion of antigen by macrophages and polymers

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14
Q

What are conjugate vaccines?

A

Vaccines that combine carbohydrates with proteins to improve the immune response

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15
Q

Name live attenuated vaccine

A

MMR

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16
Q

What should an infection be treated with?

A

An antibiotic with a high MBC

17
Q

What is gentamicin associated with?

A

Otoxicity

18
Q

What is an antiseptic?

A

A disinfectant that is safe enough to use on human skin

19
Q

What is streptococcus pneumoniae an example of?

A

Gram-positive coccus

20
Q

Bacterial DNA can be found where?

A

The chromosome and the plasmids

21
Q

How is diagnosis of malaria made?

A

Visualisation of parasites in a peripheral blood film

22
Q

What can the genetic component of viruses consist of?

A

DNA or RNA

23
Q

What do cytokines and chemokines attract?

A

Inflammatory cells

24
Q

What does nuclear pleopmorphism suggest?

A

Malignancy in a tumour

25
Q

Y-linked conditions occur only in which gender?

A

Males

26
Q

What can the sickle cell trait provide resistance to?

A

Malaria

27
Q

Where are the telomeres situated in the chromosome?

A

At the ends

28
Q

What are the darkly stained regions of chromosomes called?

A

Heterochromatin

29
Q

Inflammation usually leads to an elevated count of what?

A

Neutrophilia E white cell count

30
Q

Radionuclide imaging utilises what kinds of rays?

A

Gamma rays

31
Q

What does the absence of a capsule suggest about a tumour?

A

It is malignant

32
Q

Is bone a common site for metastatic carcinoma?

A

Yes

33
Q

What charge do histone proteins have?

A

Positive

34
Q

What is the state of having two identical alleles called?

A

Homozygous

35
Q

The synthesis of a protein on a messenger RNA is referred to as what?

A

Translation

Principles of Disease (21 decks)

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