Quiz

Question 1

all penicillins (beta lactams) are bacteriostatic/bacteriocidal?

Answer 1

bacteriocidal

Question 2

which antibiotic can cause photosensitivity?

Answer 2

doxycycline

Question 3

which antibiotic can worsen epileptic control?

Answer 3

all quinolones (…floxacin)

Question 4

which drug is not adequate for strep pneumonia

• doxycycline
• clarithromycin
• co amoxiclav
• ciprofloxacin
• amoxicillin

Answer 4

ciprofloxacin

Question 5

why is clarithromycin sometimes added in pneumonia management?

Answer 5

atypical organisms cover

Question 6

what is the respiratory quinolone?

Answer 6

levofloxacin

Question 7

which drug is not absorbed systemically when taken orally?

• clindamycin
• clarithromycin
• vancomycin
• ciprofloxacin
• aztreonam

Answer 7

vancomycin

Question 8

describe C diff

Answer 8

anaerobic

spore forming

Question 9

can C diff be carried asymptomatically?

Answer 9

yes

Question 10

antimicrobials can disrupt the normal human micro flora for how long?

Answer 10

> 6 months

Question 11

why is amoxicillin not used in UIT?

Answer 11

doesn’t cover pathogens (many E. coli are resistant)

Question 12

what commonly causes UTI?

Answer 12

E. coli

Question 13

does amoxicillin treat enterococcus?

Answer 13

yes

Question 14

name side effects of quinolones

Answer 14

C. Diff (stop immediately if diarrhoea occurs)
diffuse tendinitis
psychiatric side effects
AAA rupture

Question 15

oral bioavailability of quinolones?

Answer 15

very good

almost as good as IV

Question 16

what does clindamycin not cover?

Answer 16

gram -ves (e.g proteus)

Question 17

name an antibiotic which is only used as an IV preparation

Answer 17

gentamicin (however can be used as drops in the ear)

aztreonam

Question 18

describe salmonella enteritidis?

Answer 18

gram -ve

Question 19

name a gram +ve bacillus

Answer 19

listeria

Question 20

campylobacter, salmonella and shigella are all what gram stain?

Answer 20

-ve

Question 21

2 risks of co-amoxiclav?

Answer 21

cholestatic jaundice (liver disease)
C. Diff

Question 22

what 3 things are raised in sepsis?

Answer 22

IL 6
CRP
WCC

Question 23

how does sepsis affect platelet count?

Answer 23

reduced

Question 24

name 3 conditions associated with AIDS

Answer 24

recurrent pneumonia
oropharyngeal candida
salmonella bacteraemia (also seen in sickle cell)

Question 25

antibiotic used in gram -ve cover of an ESBL producing klebsiella?

Answer 25

meropenem

Question 26

ESBL producing bacteria are resistant to most of what class of antibiotic?

Answer 26

beta lactamase

Question 27

vancomycin is ineffective against what?

Answer 27

gram -ves

Question 28

list 3 organisms on Duke’s criteria

Answer 28

kingella kingae (HACEK)
bartonella
enterococcus faecalis

Question 29

how does rifampicin affect warfarin?

Answer 29

reduces effect

Question 30

who should tetracyclines be avoided in?

Answer 30

<12 yrs old

Question 31

what is the most common cause of cellulitis?

Answer 31

skin commensals

Question 32

does enterococcus faecium have a vaccine?

Answer 32

no

Question 33

does whooping cough have a vaccine?

Answer 33

yes

Question 34

what is typically known as “walking pneumonia” as it often has a severe X ray but hardly any symptoms?

Answer 34

mycoplasma

Question 35

which antibiotic should be avoided as monotherapy?

Answer 35

rifampicin

Question 36

which spread through sneezing

• pneumococcus
• legionella
• measles
• pneumocystis pneumonia

Answer 36

measles

Question 37

how often must blood cultures be repeated if MSSA is found?

Answer 37

2-3 days

Question 38

MRSA can colonise where?

Answer 38

nose