Communicable diseases and exanthems

Question 1

All EXCEPT ONE of the following are characteristics of whooping cough (pertussis) that are included in the WHO diagnostic criteria. WHICH ONE is NOT a characteristic of whooping cough?

Question 1Select one:

a.
Post-cough vomiting

b.
Continuous stridor

c.
Inspiratory whoop

d.
Paroxysmal cough

Answer 1

Continuous stridor

Question 2

Which is the current recommendation for BCG vaccination in babies?

Question 2Select one:

a.
Vaccinate at 6 weeks if parents spent time in a refugee camp.

b.
Vaccinate routinely at 3 months if planning international travel.

c.
Vaccinate at birth if parents from a high risk group or country.

d.
Vaccinate at 3 months if parents have come out of a war zone.

Answer 2

Vaccinate at birth if parents from a high risk group or country.

Question 3

An 12-year-old NZ European boy presents to the GP with a sore throat and fever of 39.5°C, and significant lethargy, over the last few days. Examination reveals large inflamed tonsils with white exudate, splenomegaly and marked cervical lymphadenopathy. Which ONE of the following is the MOST appropriate investigation?

Question 3Select one:

a.
Liver function tests

b.
FBC & EBV serology

c.
Bacterial swab tonsils

d.
Cholecystography

Answer 3

FBC & EBV serology

Question 4

A 2 year old unvaccinated boy develops the skin lesions shown coming out in groups of lesions over several days. He was previously well but in the last two days has become mildly febrile (temperature 38°C) and off his food. The rash is largely on his trunk but is seen also on the limbs.

What is the most likely diagnosis?

Question 4Select one:

a.
Varicella

b.
Scabies

c.
Measles

d.
Impetigo

Answer 4

Varicella

chickenpox

Question 5

Concerning mumps infection, what is the orofacial structure most commonly involved?

Question 5Select one:

a.
Parotid glands

b.
Soft palate

c.
Lymph nodes

d.
Tongue base

Answer 5

Parotid glands

Question 6

A 9 year old child is brought to your surgery with a sore throat and a rash. The physical examination reveals exudative pharyngitis, a very red tongue with white papillae, and a generalised confluent erythematous rash, which is most prominent on the face (except around the mouth), the neck, and the skin creases. The rash has a sandpapery feel to it. WHICH ONE of the following is the MOST LIKELY diagnosis?

Question 6Select one:

a.
Streptococcal scarlet fever syndrome

b.
Staphylococcal scalded skin syndrome

c.
Infectious mononucleosis syndrome

d.
Parvovirus slapped cheek syndrome
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Answer 6

Streptococcal scarlet fever syndrome

Question 7

WHICH ONE of the following is NOT a typical clinical complication of mumps infection?

Question 7Select one:

a.
Infectious parotitis

b.
Acute myocarditis

c.
Permanent deafness

d.
Aseptic meningitis

Answer 7

Acute myocarditis

Question 8

Which age group is the main source of spreading infection with whooping cough infection in the community?

Question 8Select one:

a.
School children

b.
Young infants

c.
Preschoolers

d.
Young adults

Answer 8

Young adults

Question 9

WHICH ONE of the following indicates the CORRECT period of infectivity of varicella (chickenpox)?

Question 9Select one:

a.
From 1-2 days before appearance of the rash until all lesions have crusted

b.
From 1-2 days after the rash first appears until the last outcrop appears

c.
From 1-2 days after appearance until the day of disappearance of the rash

d.
From 1-2 days after exposure until the day of appearance of the rash

Answer 9

From 1-2 days before appearance of the rash until all lesions have crusted

Question 10

What is the virus responsible for Erythema infectiosum (also known as slapped cheek syndrome or fifth disease)?

Question 10Select one:

a.
Herpes simplex I

b.
Parvovirus B19

c.
Coxsackie virus

d.
Herpes hominis 6

Answer 10

Parvovirus B19