Infectious Disease

Question 1

Prophylaxis for bronchiolitis

Answer 1

Palivizumab

Question 2

common cause of croup

Answer 2

Parainfluenza

Question 3

Tx for suspected chlamydia/gonorrhoea in epididymitis

Answer 3

Doxycycline and ceftriaxone or ciprofloxacin

Question 4

Tx for suspected enteric organism in epididymitis

Answer 4

Ofloxacin

Question 5

Reportable

Answer 5

Hepatitis A
Hepatitis B
Diphtheria
Measles
Mumps
Pertussis
Rabies
Rubella
Tetanus

Question 6

Hepatitis a transmission

Answer 6

Faecal oral
Rarely through blood products
Close contact
Contaminated food
Sexual contact with an infected person

Question 7

Positive hepatitis A IgG with negative hepatitis A IgM

Answer 7

Immunity

Question 8

Positive hepatitis A IgM, with or without hepatitis A IgG

Answer 8

Recent or acute infection

Question 9

hepatitis B transmission

Answer 9

Blood and other bodily fluids
IVDU
Mother to neonate
Household contacts

Question 10

Interpretation of hep b lab tests - positive HBsAg

Answer 10

Acute or chronic infection

Question 11

Interpretation of hep b lab tests - anti-HBs

Answer 11

Immunity through any cause

Question 12

Interpretation of hep b lab tests - anti-HBc IgM and IgG

Answer 12

IgM - infection previous 6 months
IgG - more distant infection

Question 13

Interpretation of hep b lab tests - HBeAg

Answer 13

High level viral replication

Question 14

Interpretation of hep b lab tests - anti-HBe

Answer 14

Low viral replication

Question 15

Interpretation of hep b lab tests - HBV DNA

Answer 15

level of replication

Question 16

Tx for chronic hepatitis B infection

Answer 16

Recombinant interferon alfa-2b
Entecavir

Question 17

Hepatitis C transmission

Answer 17

IV drug use
Blood transfusion or transplant prior to 1992
Unhygienic, tattoo or piercing

Question 18

Diagnostic testing for hepatitis C

Answer 18

Anti-HCV
if negative and high suspicion do HCV-RNA, if positive HCV positive and immunosuppression

Question 19

What are the vaccinations to give in asplenia?

Answer 19

Pneumococcal
haemophilus influenza type B
Meningococcal
Influenza

Question 20

Antibiotic for diphtheria

Answer 20

Erythromycin

Question 21

Symptoms of measles

Answer 21

Conjunctivitis, coryza, cough, fever, photophobia, rhinorrhoea, sore throat, Koplik spots, rash starting on head descending

Question 22

What to give if exposure to rabies

Answer 22

Rabies, IVG and HDCV

Question 23

Signs of rubella

Answer 23

Transient erythematous rash, lymphadenopathy, arthralgia, low grade fever, petechia on soft palate

Question 24

What is Kernig’s sign?

Answer 24

Pain with passive extension of a flex knee

Question 25

What is bruzinski's sign?

Answer 25

Flexion of neck with involuntary flexion of the knee and hip

Question 26

Work up for possible meningitis

Answer 26

CT head. If normal can do LP. Blood cultures CBC electrolytes

Question 27

Most common pathogen for meningitis age 0 to 4 weeks and antimicrobial

Answer 27

E. coli, listeria, klebsiella Ampicillin and cefotaxime

Question 28

Most common pathogen for meningitis age 1 to 23 months and antimicrobial

Answer 28

S. Pneumonia. H influenza. E. coli. N. meningitidis Vancomycin and ceftriaxone or cefotaxime

Question 29

Most common pathogen for meningitis age 2 to 50 and antimicrobial

Answer 29

S. Pneumonia. N. meningitidis Vancomycin and ceftriaxone or cefotaxime

Question 30

Most common pathogen for meningitis, 850 and older and antimicrobial

Answer 30

S. Pneumonia. N. meningitidis. aerobic gram-negative bacilli Vancomycin and ampicillin and third-generation cephalosporin

Question 31

How many days to treat otitis media based on age?

Answer 31

If less than two years old treat for 10 days, if higher than two years old treat for five days

Question 32

Otitis media treatment

Answer 32

Amoxicillin 80 mg/kg/day divided BID Penicillin allergic can use cefuroxime

Question 33

Went to refer to ENT for tympanostomy

Answer 33

- Otitis media with a effusion for more than three months with bilateral hearing loss - more than three episodes in six months - more than four episodes in 12 months - retracted tympanic membrane

Question 34

Modified Centor score for pharyngitis

Answer 34

Absence of cough Accident on tonsils Fever higher than 38 Cervical lymphadenopathy Age 5 to 14 is one point Age 45 and older is -1 point

Question 35

Treatment for group a strep

Answer 35

Penicillin V 300 mg t.i.d. or 600 mg b.i.d. Amoxicillin 500 mg b.i.d. Cephalexin 500 mg QID Treat for 10 days

Question 36

Pneumonia treatment if no co-morbidities

Answer 36

Amoxicillin Doxycycline Clarithromycin Azithromycin

Question 37

Pneumonia treatment if co-morbidities or in long term care

Answer 37

Amoxicillin Amoxiclav Cefuroxime PLUS Doxycyline Azithromycin Clarithromycin

Question 38

Aspiration pneumonia treatment

Answer 38

Amoxiclav Clindamycin

Question 39

Abx treatment for acute prostatitis

Answer 39

Fluoroquinolone TMP-SMX For 2-4 weeks

Question 40

Abx for chronic prostatitis

Answer 40

Levofloxacin

Question 41

Bacterial vaginosis treatment

Answer 41

Metronidazole

Question 42

Troichmoniasis treatment

Answer 42

Metronidazole

Question 43

Chlamydia treatment

Answer 43

Doxycycline for 7 days Azithromycin single dose 1g if pregnant or using

Question 44

Gonorrhoea treatment

Answer 44

Azithromycin and ceftriaxone

Question 45

Chancroid treatment

Answer 45

Ciprofloxacin

Question 46

Tx for scabies

Answer 46

Ivermectin Permethrin

Question 47

Tx for pubic lice

Answer 47

Permethrin

Question 48

Tx for syphilis

Answer 48

Penicillin G IM x 3 if latent