Question Bank

Question 1

Which of the following bacteria is a bioterrorism agent?

A)
Burkholderia cepacia

B)
Burkholderia pseudomallei

C)
Pseudomonas putida

D)
Pseudomonas aeruginosa

Answer 1

C) Pseudomonas putida

Question 2

Which of the following bacteria can be grown in artificial media?

A)
Treponema pallidum

B)
Chlamydia psittaci

C)
Rickettsia prowazekii

D)
Ureaplasma urealyticum

Answer 2

C)
Rickettsia prowazekii

Question 3

Which of the following is the complication of autoimmune reaction of Streptococcus pyogenes?

A)
Fasciitis

B)
Rheumatic fever

C)
Scarlet fever

D)
Pharyngitis

Answer 3

B)
Rheumatic fever

Question 4

Which of the following properties is correct in regards to Brucella abortus ?

A)
Cows can be vaccinated

B)
Transmittable from goat

C)
Transmittable from pigs

D)
Human can be vaccinated

Answer 4

A)
Cows can be vaccinated

Question 5

All the following species of Clostridium produce botulism toxin, except for?

A)
C. argentinense, type G toxin

B)
C. baratii, type F toxin

C)
C. butyricum, type E toxin

D)
C. difficile, type H toxin

Answer 5

B)
C. baratii, type F toxin

Question 6

In all the following cases, ≥5 mm of induration in Tuberculin Skin Test is considered positive, except for?

A)
HIV-positive patients

B)
Patients with abnormal chest radiographs consistent with prior tuberculosis

C)
Injection drug users

D)
Patients receiving immunosuppressive therapy

Answer 6

C)
Injection drug users

Question 7

All the following Mycobacteria belong to the same group; except for?

A)
M. africanum

B)
M. kansasii

C)
M. microti

D)
M. bovis

Answer 7

D)
M. bovis

Question 8

Which of the Staphylococcal capsule serotypes are associated with the majority of infections in human?

A)
5 and 8

B)
7 and 9

C)
1 and 2

D)
3 and 4

Answer 8

B)
7 and 9

Question 9

Campylobacter jejuni is one of the most common causes of food poisoning. It has also been associated with a post diarrheal syndrome, the syndrome is known as……….………?

A)
Rett syndrome

B)
Guillain-Barre syndrome

C)
Short bowel syndrome

D)
Toxic shock syndrome

Answer 9

B)
Guillain-Barre syndrome

Question 10

Which of the following bacteria has high resistance to chlorine?

A)
Leptospira

B)
Mycoplasma

C)
Borrelia

D)
Legionella

Answer 10

B)
Mycoplasma

Question 11

All of the following sentences regarding Clostridium tetani are true; except for?

A)
The bacterium produces a type of hemolysin

B)
Tetanus toxin prevents cAMP release from nerve cells

C)
The molecular weight of tetanus toxin is 150,000 Daltons

D)
Tetanus toxin acts like a strychnine poison

Answer 11

B)
Tetanus toxin prevents cAMP release from nerve cells

Question 12

All of the following items are correct in regards to the Bacillus cereus; except for?

A)
Gram-negative, non spore forming

B)
Beta-hemolytic, commonly found in soil and food.

C)
Cause food borne illness

D)
Rod-shaped, motile, facultatively anaerobic

Answer 12

C)
Cause food borne illness

Question 13

For sterilization of heat-sensitive liquids, which of the following methods is suggested?

A)
Autoclave

B)
Pasteurization

C)
Oven

D)
Filtration

Answer 13

D)
Filtration

ولی جواب پاستوریزیشن نوشته شده است که به نظر غلط میاد

Question 14

All of these sentences are correct; except for:

A)
Exoenzyme Y is an adenylyl cyclase

B)
Exoenzyme U is a phospholipase

C)
Exoenzyme A is ADP-ribosyl transferase

D)
Exoenzyme S is GTPase

Answer 14

B)
Exoenzyme U is a phospholipase

Question 15

Which of the following diseases is often transmitted from animals to human?

A)
Trachoma

B)
Syphilis

C)
Leptospirosis

D)
LGV

Answer 15

C)
Leptospirosis
یا اسم دیگرش
(field fever تب شالیزار)

Question 16

Alpha hemolysis is the characteristic of:

A)
Enterococcus spp

B)
Streptococcus agalactiae

C)
Streptococcus pneumoniae

D)
Streptococcus pyogenes

Answer 16

C)
Streptococcus pneumoniae
جواب اشتباها بی وارد شده است
Streptococcus pneumoniae and a group of oral streptococci (Streptococcus viridans or viridans streptococci) display alpha-hemolysis.

Question 17

About 10 to 20 percent of young children with severe meningococcal meningitis develop a syndrome called Waterhouse Friedrichsen syndrome. Which of the followong is not the symptomatic characteristic of this syndrome?

A)
Disseminated cerebral coagulation

B)
High fever

C)
Hemorrhagic rashes

D)
Circulatory collapse

Answer 17

جواب به نظر این میاد
A)
Disseminated cerebral coagulation
اما این وارد شده
D)
Circulatory collapse

Question 18

Which part of anthrax toxin binds to both receptors Tumor endothelial markers 8(TEM) and 2- Capillary mophogenes2 CMG2 on the host cell?

A)
Protective antigen

B)
Edema factor

C)
Lethal factor

D)
Lysin factor

Answer 18

B)
Edema factor
???