True/False from Learning Guide

Question 1

what is reiter’s syndrome

Answer 1

a post dysenteric illness causing urethritis, conjunctivitis and arthritis

Question 2

complications from shigella

Answer 2

HUS, seizures and reiter’s syndrome

Question 3

what type of diarrhoea does shigella cause

Answer 3

dysentry

Question 4

what types of infection are itraconazole, nystatin and amphotericin B useful in

Answer 4

fungal infections

Question 5

3 complications of VZV

Answer 5

shingles, neuraliga and pneumonia

Question 6

true/false - VZV is not sensitive to existing antivirals

Answer 6

false - can be treated with a course of aciclovir

Question 7

what is pyrexia of unknown origin defined as

Answer 7

at least 38.3 for 3+ weeks occuring frequently without explanation

Question 8

3 conditions that may be cause PUO

Answer 8

miliary tuberculosis, cranial arteritis and lymphoma

Question 9

true/false - thrombocytopenia is seen in plasmodium vivax malaria

Answer 9

true

Question 10

true/false - the acute infection HIV is associated with a rash and diarrhoea

Answer 10

true - also fever, lymphadenopathy, meningitis and neuropathy

Question 11

how will HIV antibody/antigen testing vary through the acute infection

Answer 11

early - antibody -ve and antigen +ve

late - antibody +ve and antigen -ve

Question 12

what type of lymphocytes are targetted by HIV

Answer 12

CD4+ - t helper, macrophages, dendritic cells and monocytes

Question 13

which cells migrate to lymph nodes and cause acute infection

Answer 13

dendritic cells

Question 14

two types of co-receptor in HIV

Answer 14

CCR5 and CXCR4

Question 15

how long does campylobacter incubate for

Answer 15

~7 days

Question 16

important complications from campylobacter

Answer 16

guillain barre syndrome and reactive arthritis

Question 17

what 4 bacteria can be cultured from stool

Answer 17

campylobacter, salmonella, E.coli O157 and shigella

Question 18

how is c. diff diagnosed

Answer 18

PCR of endotoxin from stool sample

Question 19

true/false - in campylobacter 40% of blood cultures are +ve

Answer 19

false - 10% so don’t blood culture to diagnose campylobacter enteritis

Question 20

antibiotic for c. diff

Answer 20

metronidazole

Question 21

how is lyme disease diagnosed

Answer 21

serological test

Question 22

what does borrelia burgdorferi cause

Answer 22

lyme disease

Question 23

true/false - lyme disease can cause cranial nerve palsies

Answer 23

true

Question 24

true/false - lyme disease responds to beta-lactam antibiotics

Answer 24

true