01

Question 1

MCC of prosthetic valve endocarditis

Answer 1

staph epidermidis

Question 2

2nd MCC of UTIS in sexually active women

Answer 2

staph saprophyticus

Question 3

most common cause of neonatal pneumonia, sepsis, and meningitis

Answer 3

strep agalactiae

Question 4

most common cause of subacute and native valve endocarditis

Answer 4

viridians strep (s. sanguis)

Question 5

MCC of CAP

Answer 5

strep pneumoniae

Question 6

MCC of acute otitis media, sinusitis, meningitis in adults/eldery

Answer 6

strep pneumoniae

Question 7

MCC cause of meningitis among aged 2-18 years

Answer 7

neisseria meningitidis

Question 8

MCC of urethritis

Answer 8

neisseria gonorrhoeae

Question 9

MCC of PID

Answer 9

neisseria gonorrhoeae

Question 10

MCC of epiglottitis

Answer 10

haemophilus influenzae

Question 11

MCC of community acquired UTIs

Answer 11

escherichia coli

Question 12

2nd MCC of neonatal meningitis (#1 in the philippines)

Answer 12

escherichia coli

Question 13

MCC of bacillary dysentery with fever

Answer 13

shigella spp.

Question 14

MCC of epidemic dysentery

Answer 14

shigella dysenteriae type 1

Question 15

MCC of bacterial gastroenteritis

Answer 15

campylobacter jejuni

Question 16

MCC of pneumonia in alcoholics

Answer 16

k. pneumoniae

Question 17

MCC of wound infections in patients with burn injuries

Answer 17

pseudomonas aeruginosa

Question 18

Most common type of atypical pneumonia

Answer 18

mycoplasma pneumoniae

Question 19

MCC of conjunctivitis

Answer 19

adenovirus

Question 20

MCC of infectious congenital abnormalities

Answer 20

CMV

Question 21

MCC of HIV blindness

Answer 21

CMV (retinitis)

Question 22

MCC of myocarditis and pericarditis

Answer 22

coxsackie B

Question 23

MCC of aseptic meningitis

Answer 23

enterovirus (also caused by coxsackie)

Question 24

MCC of nonbacterial diarrhea in adults

Answer 24

norwalk virus (norovirus)

Question 25

MCC of childhood diarrhea

Answer 25

rotavirus

Question 26

most important cause of pneumonia and bronchiolitis in infants

Answer 26

respiratory syncitial virus

Question 27

most common aids-defining illness

Answer 27

PCP (pneumocystis jirovecii)

Question 28

prokaryote ribosome size

Answer 28

70s (50s + 30s)

Question 29

eukaryote ribosome size

Answer 29

80s (60s + 40s)

Question 30

cell wall containing peptidoglycan

Answer 30

prokaryote

Question 31

(G+ vs G-) multilayer peptidoglycan

Answer 31

G+

Question 32

(G+ vs G-) teichoic acids

Answer 32

G+

Question 33

(G+ vs G-) lipopolysaccharide

Answer 33

G-

Question 34

(G+ vs G-) periplasmic space

Answer 34

G-

Question 35

primary stain

Answer 35

crystal violet

Question 36

mordant

Answer 36

iodide

Question 37

decolorizing agent

Answer 37

acetone

Question 38

counterstain

Answer 38

safranin

Question 39

component of bacteria that can confer virulence

Answer 39

non-essential components ( exotoxins)

Question 40

all G+ bacteria have NO endotoxin EXCEPT

Answer 40

listeria monocytogenes

Question 41

all bacteria have cell walls composed of peptidoglycan EXCEPT

Answer 41

mycoplasma pneumoniae

Question 42

all bacterial capsules are compseod of polysaccharide EXCEPT

Answer 42

bacillus anthracis (protein)

Question 43

all exotoxins are heat-labile EXCEPT

Answer 43

staphylococcal enterotoxin

Question 44

DNA transferred from one bacterium to another

Answer 44

conjugation

Question 45

DNA transferred by a virus from one cell to another

Answer 45

transduction

Question 46

purified DNA taken up by a cell

Answer 46

transformation

Question 47

(NORMAL FLORA) this important organism is located where? staph epidermidis

Answer 47

skin

Question 48

(NORMAL FLORA) this important organism is located where? staph aureus

Answer 48

nose

Question 49

(NORMAL FLORA) this important organism is located where? viridans streptococci

Answer 49

mouth

Question 50

(NORMAL FLORA) this important organism is located where? streptococcus mutans

Answer 50

dental plaque

Question 51

(NORMAL FLORA) this important organism is located where? bacteriodes, escherichia coli

Answer 51

colon

Question 52

(NORMAL FLORA) this important organism is located where? lactobacillus, escherichia coli, GBS

Answer 52

vagina