BSMMU Residency Entrance Exam

BSMMU residency exam will be held on December. Exact date is not fixed yet

From today questions of BSMMU residency entrance exam will be given in this page

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Facultative intracellular bacteria–
Some Nasty Bugs May Live FacultativeLY
• S - Salmonella
• N - Neisseria,
• B - Brucella
• M - Mycobacteria
• L - Listeria
• F - Fransicella
• L – Legionella
• Y- Yersinia

Obligate intracellular bacteria–
• Chlamydia
• Ricketssiae

Spore forming bacteria –
• Gram positive bacilli- clostridium bacillus
• Gram positive cocci – sporosarcina
• Gram negative coccobacilli- coxiella burnetti

Exotoxin producing bacteria:
A) Gram positive cocci –
1. Staph. aureus
2. Strep. pyogens

B) Gram positive rods –
1. Corynebacterium diphtheriae
2. Clostridium – C. tetani, C. botulinum, C.Perfringens, C.difficle
3. Bacillus anthracis , Bacillus cereus

C) Gram negative rods –
1. Esch. coli- ETEC, EHEC
2. Shigella – Shigatoxin
3. Pseudomonas
4. B. pertussis
5. Cholera toxin

Toxins acts as superantigen –
1. Staph aureus – Enterotoxin, STSS toxin
2. Strep pyogens – STSS toxin, Erythrogenic toxin
3. Bacillus cercus – Emetic type
4. Clostridium perfringens food poisoning
Also—EBV, CMV. This two viruses acts as superantigen

Toxins spread through lysogenic bacteriophage –COBEDS
• C- cholera
• O- O antigen of salmonella
• B- botulinum
• E- Erythrogenic toxin
• D- Diphtheria
• S- Shiga toxin, Shiga like toxin

1. Staphylococcus aureus causes the following toxin mediated diseases (BSMMU Mphil Diploma 2014)
a) Scarlet fever
b) Food poisoning
c) Scalded skin syndrome
d) Acute rheumatic fever
e) Toxic stock syndrome