Pathology EMQ template.

Name:

Candidate number:

Theme:

 

OPTION LIST

 

A	H1N1	I	H4N2
B	H2N1	J	H5N2
C	H3N1	K	H3N2
D	H4N1	L	H3N8
E	H5N1	M	Antigenic Switch
F	H1N2	N	Antigenic Shift
G	H2N2	O	Antigenic Flip
H	H3N2	P	Antigenic Drift

 

 

For each scenario below, choose the most appropriate answer from the list above. Each option may be used once, more than once or not at all.

 

1. Process by which a single infective strain of the Influenza virus gains point mutations within an infected host cell and upon release creates a new virus of differing pathogenicity to the primary infective virus.

 

2. Process by which two infective strains of the Influenza virus co-infect a host cell and after recombination of the two individual genetic materials gives rise to a new strain of the virus which is pathogenetically distinct to the primary infective strains.  

 

3. Influenza strain which was the causative agent of the 1918 ‘Spanish Flu’ Pandemic.

 

4. Influenza strain which was termed ‘Bird Flu’ and was first identified in 2003.

 

5. Influenza strain which was the causative agent of the 2009 ‘Swine Flu’ pandemic.

 

ANSWERS

1. P

2. N

3. A

4. E

5. A