Infectious Diseases

Question 1

what is the most likely cause of cholecystitis?

Answer 1

Escherichia

Question 2

which organism is has a rust-coloured sputum and is a gram-positive spherical bacterium?

Answer 2

strep. pneumoniae

Question 3

which condition is most associated with Klesbsiella?

Answer 3

aspiration pneumonia

Question 4

which condition is haemophilus influenzae associated with?

Answer 4

exacerbation of COPD

Question 5

what is the 1st line treatment of Shigella?

Answer 5

ciprofloxacin for 1 day

Question 6

what is pneumocystis jiroveci/carini pneumonia and what is the treatment?

Answer 6

fungal infection

treat with co-trimoxazole

Question 7

what is the most likely causative organism of chronic diarrhoea in HIV?

Answer 7

cryptosporidium

Question 8

which condition has exotic birds as a RF?

Answer 8

chlaymdia psittaci

Question 9

which pathogen causes necrotising otitis externa?

Answer 9

pseudomonas aeruigonsa

Question 10

which pathogen causes rheumatic fever?

Answer 10

strep pyogenes

Question 11

what is the typical lab and chest x-ray findings with mycoplasma pneumoniae?

Answer 11

lab findings are pretty unremarkable with normal WCC

x-ray shows more severe infiltration than auscultation findings

Question 12

which condition has a friction rub heard on auscultation?

Answer 12

pericarditis

Question 13

which condition has cerebral ring-enhancing lesions?

Answer 13

toxoplasmosis

Question 14

which condition is the Ziehl-Neelsen stain specific for?

Answer 14

tuberculosis

Question 15

a 56 year old woman presents with a 20 year history of rheumatoid arthritis. despite drugs it has only come into control now. she is now complaining of feeling more tired and has developed diarrhoea. recently she also notices that she bruises easily. on exam she has a large, beefy tongue, lymphadenopathy and hepatomegaly.
what is the diagnosis?

Answer 15

amyloidosis

Question 16

what is the classic triad of amyloidosis?

Answer 16

large beefy tongue, lymphadenopathy and hepatomegaly

Question 17

which lymphoma has pain on drinking alcohol?

Answer 17

Hodgkin’s disease

Question 18

what is the treatment of toxoplasmosis?

Answer 18

pyrimethamine, sulfadiazine plus folinic acid

Question 19

what is the treatment of cryptococcal meningitis?

Answer 19

amphotericin B, flucytosine plus fluconazole

Question 20

what is the treatment of oral candidiasis?

Answer 20

nystatin

Question 21

what are the classic symptoms of carcinoid syndrome?

Answer 21

flushing and diarrhoea and bronchospasm

also valvular disease

Question 22

what is a typical pulmonary manifestation of Aspergillus infection?

Answer 22

allergic asthma

Question 23

are lung adenocarcinomas or squamous cell carcinomas more likely to be central or peripheral?

Answer 23

adenoma > peripheries

squamous > central

Question 24

what do you give a patient with CO poisoning?

Answer 24

high flow oxygen no matter what the oxygen level is