Microbiology

Question 1

How can direct virus detection be done for PCR?

Answer 1

Nasopharyngeal swabs

Question 2

Where does H. influenzae tend to colonise in the body?

Answer 2

Upper respiratory tract

Question 3

H. influenza is a Gram positive bacillus. True/False?

Answer 3

False
Gram negative bacillus

Question 4

Which organisms are most commonly associated with exacerbations of COPD?

Answer 4

H. influenzae
Strep pneumoniae
Moraxella catarrhalis

Question 5

Which organism causes whooping cough?

Answer 5

Bordetella pertussis

Question 6

Strep pneumoniae is a B-haemolitic cocci in clusters. True/False?

Answer 6

False
A-haemolytic cocci in chains

Question 7

The majority of organisms that cause HAP are Gram what?

Answer 7

Negative

Question 8

If CURB56 score 0-2, which antibiotics are given?

Answer 8

Amoxicillin (Doxycycline if penicillin allergic)

Question 9

If CURB65 score 3-5, which antibiotics are given?

Answer 9

Co-amoxiclav + IV clarithromycin/PO doxycyline (IV levofloxacin if penicillin allergic)

Question 10

In severe HAP, which antibiotics are given?

Answer 10

Amoxicillin (Co-trimoxazole if penicillin allergic), Metronidazole, Gentamicin

Question 11

Which antibiotics are used for Legionnaire’s disease?

Answer 11

Erythromycin/Clarithromycin
Levofloxacin if penicillin allergic

Question 12

Which organism particularly causes pneumonia in AIDS patients?

Answer 12

Pneumocystis jiroveci