Microbiology

Question 1

Incubation of Malaria

Answer 1

7-30 days or 1week to 1month

Question 2

Only DNA virus in hepatitis

Answer 2

Hepatitis B

Question 3

Common causes of common cold

Answer 3

RSV
CORONAVIRUS
PARAINFLUENZA
RHINOVIRUS

Question 4

Ciliated protozoan

Answer 4

Balantidium coli

Question 5

Complement pathway mediated by antibodies

Answer 5

Classic pathway

Question 6

Hepatitis virus and their families

Answer 6

Hep A - Picorniavirus
Hep B - Hepadnavirus
Hep C- Flaviviridae
Hep D - defective virus
Hep E - calcivirus

Question 7

Alcoholic + currant jelly sputum presents with pneumonia.

Dx? Characteristics?

Answer 7

Klebsiella pneumonia

Mucoid colonies on culture due to thick capsule

Question 8

Most common cause of uti?

Answer 8

E. Coli - mc cause of both complicated and uncomplicated

Question 9

What makes the gram stain positive?

Answer 9

Presence of teichoic acid in cell wall

Question 10

Diagnostic test for influenza

Answer 10

Reverse PCR

Question 11

Eating raw honey

Floppy baby syndrome

Answer 11

Clostridium botulinum

Causing botulism

Question 12

Fried egg appearance

Answer 12

M. Pneumonia

Question 13

Single stranded negative sense RNA virus

Answer 13

Mumps virus

Question 14

Cestode that does not require an intermediate host to infect humans?

Answer 14

Hymenolopsis nana

Question 15

Biofilm in catheters and iv lines

Which organism?

Answer 15

Staphylococcus epidermidis

Question 16

In a patient with Repeated N. Meningitidis septicemia, the physician should suspect?

Answer 16

C5-C8 deficiency

Question 17

Cat feces? Cat bites? Associated organisms

Answer 17

Cat feces: TOXOPLASMA GONDII

CAT BITE: pastuerella multocida

Question 18

Most common cause of pneumonia in

Teens and young adults

Answer 18

Mycoplasma pneumonia

Question 19

MC cause of pneumonia in ADULTS

Answer 19

Streptococcus pneumoniae

Question 20

Doc for s. Epidermidis

Answer 20

Vancomycin

Question 21

2nd most leading cause if UTI in sexually active women

Answer 21

Staphylococcus saprophyticus

DOC : penicillin

Question 22

Major cause of otitis media in children

Answer 22

Streptococcus pneumoniae

Question 23

Major virulence factor of GABHS

Answer 23

M protein

Question 24

Major virulence factor of strep pneumoniae

Answer 24

Polysaccharide capsule

Question 25

MC pathogens in less than 3 months old infant causing meningitis

Answer 25

listeria monocytogenes
E.coli
Group B BHS (strep agalactiae)

Question 26

Bacteria associated with colon cancer

Answer 26

S. Bovis

Question 27

Diarrhea sec to eating Mayonnaise

Etio?

Answer 27

Staph aureus

Question 28

Pneumonia with cavitation effusion and empyema

Answer 28

S. Aureus

Question 29

Septic arthritis?

Answer 29

Staph aureus

Question 30

Dental infections

Answer 30

S. Mutans of the viridans group

Question 31

PSGN

Answer 31

S. Pyogenes

Doc : pen g + clinda (if indicated)

Question 32

Spreading factor of s. Aureus

Answer 32

Hyalurodinase

Question 33

Prosthetics infection

Answer 33

S. Epidermidis