Microbiology

Streptococcus sensitive to optochin: a. Streptococcus salivarius b. Streptococcus pneumoniae c. Streptococcus agalactiae d. Streptococcus pyogenes

b. Streptococcus pneumoniae

Schistosoma spp. belong to helminths of: a. Cestodes b. Trematodes c. Nematodes

b. Trematodes

Western blotting is used for viral antigen detection: a. False b. True

b. True

Typical microscopic image of Streptococcus pyogenes (Gram stain): a. presence of gram-negative rods b. presence of gram-positive cocci in long chains c. presence of gram-positive diplococci d. presence of gram-positive rods

b. presence of gram-positive cocci in long chains

The term "scolex" refers to: a. tapeworm trophozoites b. tapeworm head c. all tapeworm body parts d. none of the above

b. tapeworm head

Medusa head appearance is characteristic for: a. Proteus mirabilis b. Clostridium tetani c. Bacillus anthracis d. Pseudomonas aeruginosa

c. Bacillus anthracis

Which of the following gram-negative bacterium/bacteria is/are oxidase negative? a. None of these b. Neisseria c. Escherichia coli d. Pseudomonas

c. Escherichia coli

Salt mannitol agar differentiates: a. Streptococcus agalactiae and Streptococcus pyogenes b. Escherichia coli and Klebsiella pneumoniae c. Staphylococcus aureus and Staphylococcus epidermidis

c. Staphylococcus aureus and Staphylococcus epidermidis

Treponema pallidum pertenue causes: a. syphilis b. bejel c. yaws d. pinta

c. yaws

The most common etiological agents of newborn meningitis is: a. all answers are correct b. Haemophilus influenzae and Neisseria meningitidis c. no answer is correct d. Listeria monocytogenes and Streptococcus agalactiae

d. Listeria monocytogenes and Streptococcus agalactiae

Mycobacterium spp.: a. are non-spore forming bacteria b. are acid fast microorganisms c. require prolonged cultivation d. all options are correct

d. all options are correct

Trichomonas vaginalis belongs to: a. cilliates b. sporozoa c. amebas d. flagellates

d. flagellates

Spherical bacteria in chains are called: a. staphylococci b. spirochetes c. streptobacilli d. streptococci

d. streptococci

Fruity-floral smell is typical of: a. Pseudomonas aeruginosa b. Proteus mirabilis c. Proteus vulgaris d. Escherichia coli

a. Pseudomonas aeruginosa

Which gram-positive bacteria causes pharyngitis? a. Streptococcus b. Staphylococcus c. Bordetella d. Neisseria

a. Streptococcus

Ascaris lumbricoides belongs to: a. nematodes b. cestodes c. trematodes d. protozoa

a. nematodes

Gravid females deposit eggs on perianal folds - true for: a. Ascaris lumbricoides b. Enterobius vermicularis c. Taenia saginata d. Taenia solium

b. Enterobius vermicularis

Which nosocomial pathogen infects burns and produces pigments? a. Streptococcus agalactiae b. Pseudomonas aeruginosa c. Haemophilus parainfluenzae d. Escherichia coli

b. Pseudomonas aeruginosa

SARS is caused by: a. RNA influenza virus b. RNA coronavirus c. DNA coronavirus d. DNA influenza virus

b. RNA coronavirus

Lactose-fermenters of Gram-negative rods are: a. Escherichia coli b. Proteus spp. c. Salmonella spp. d. Shigella spp.

a. Escherichia coli