F12

Question 1

Which of the following is true regarding Borrelia?
Borrelia are stained with auramine rhodamine stain
None of the choices
Lyme disease is transmitted by Ixodes species
Acridine yellow is used to stain borrelia spirals
Lyme disease produces chronicum larvae migrans in 50% of cases

Answer 1

-Lyme disease is transmitted by Ixodes species

Question 2

Which of the following is true regarding Leptospira?
Serologic analysis is rarely used
Transmitted via ingestion of spirals
None of the choices
Stained by silver impregnation
Grown in routine media

Answer 2

-Stained by silver impregnation

Question 3

Which of the following is true regarding Rickettsia?
OX strains of Proteus vulgaris are used in Weil felix test
R. akari is transmitted by lice
None of the choices
C. burnetii is highly susceptible to drying
Scrub rickettsia uses humans as mammalian reservoir

Answer 3

-OX strains of Proteus vulgaris are used in Weil felix test

Question 4

Which of the following choices is the lesion produced by Treponema pallidum?
Erysipelas
None of the choices
Boils
Black eschar
Chancre

Answer 4

-Chancre

Question 5

Which of the following is the nonpathogenic strain of T. Pallidum?
None of the choices
Reiter strain
Nichol’s strain
Oca oca strain

Answer 5

-Reiter strain

Question 6

Which of the following is the locomotory organ of Spirochetes?
Cilia
Pili
Axial filaments
None of the choices
Flagellum

Answer 6

-Axial filaments

Question 7

Which of the following is true regarding Rickettsia?
None of the choices
Cannot be grown in cell culture
Obligate extracellular parasites
Q fever is acquired via aerosol transmission
Cell wall resembles those of Mycobacterium

Answer 7

-Q fever is acquired via aerosol transmission

Question 8

Decipher the statements and choose the correct answer among the choices.
I. Elementary bodies are taken via apoptosis
II. is also known as ornithosis which is transmitted by infected rabbits
Statements I is True and Statements II is False
Statement is False and Statement II is True
Both statements are True
Both statements are False
None of the choices

Answer 8

-Both statements are False

Question 9

Which of the following describes oxygen requirements of spirochetes?
Facultative anaerobes
Microaerophilic
Aerobic
None of the above
Capnophilic

Answer 9

-Microaerophilic

Question 10

Decipher the statements and choose the correct answer among the choices.
I. C. trachomatis serotype L4 is known to cause Lymphogranuloma venereum
II. Light microscope is used for diagnosis of Chlamydia
Statements I is True and Statements II is False
None of the choices
Both statements are False
Statement is False and Statement II is True
Both statements are True

Answer 10

-Statement I is False and Statement II is True