Quiz: Microbiology

Poliomyelitis virus can be transmitted two human beings through

A A.Blood transfusion B B.Through placenta C C.Contaminated food, drink, or hands D D.Airborne transmission

Sabin live attenuated virus vaccine of poliomyelitis is given through

A A. Two drops in the oropharynx B B. Intramuscular injection C C. Intravenous injection D D. Oral tablets

Tropism of the poliomyelitis virus is directed towards

A A. GIT B B. Muscles off upper limb and lower limb C C. Skin D d.Anterior horn cells

One of the forms of infection of Poliomyelitis virus is

A A. Respiratory form. B B. Gastrointestinal form. C C. Contact form. D d. Paralytic form

Poliamyelitis virus has

A A. One strain. B B. Two strains. C C. Three strains. D D. four strains.

in the national schedule of vaccinations, we can give A poliomylitis virus vaccine at

A A. 2,4,6 months B B. 1,3,5, months C C.1,2,3 months D D. 4,6,8 months

One of the forms of infection of Poliomylitis virus is

A a-Respiratory form B b-Gastrointestinal form. C c-Contact form D d-Paralytic form.

Salk killed virus vaccine of poliomylitis is given through

A A. Two drops in the oropharynx B B. Intramuscular injection C C. Intravenous injection D D. Oral tablets

Poliomylitis virus is regarded as

A A. Positive single-stranded RNA VIRUS B B. Positive double-stranded RNA VIRUS C C. Negative single-stranded RNA VIRUS D D. Negative double-stranded RNA VIRUS

Poliomyelitis virus can pass through different stages to reach the targeted site except

A A. inapparent infection. B B. nonparalytic polio. C C. paralytic polio. D D. Seaquisrated polio

None Paralytic poliomylitis Means that

A A. The virus reached its target site B B. The immune system stopped viruses spread. C C. The virus pass through GIT. D D. Conflict with other viruses.

Meningococcal vaccine

A A-Provides protection against disease due to serogroup B B B- Is prepared from capsular polysaccharide of N.meningitidis A, C, Y, W135. C C- Does not reduce carrier rate. D D-Contains heat inactivated N.meningitidis.

Meningitis means inflammation of

A A-Hemispheres tissue B B-Cerebellum C C-Brain tissue D D-Brain coverings

For prevention of meningitis caused by hemophilus influenza meningitidis is

A A)Rifampicin, 600 mg orally twice daily for 2 days B B) Chloramphenicol IV injections C C) Tetracycline 750 mg for 5 days D D) Polymexin 500 mg for 3 days

The most common vaccines used for Prevention of MENINGITIS that's caused by Hemophilus influenzae bacteria is

A A) HBV VACCINE B B) Hib VACCINE C C)HSV VACCINE D D) HIV VACCINE

are the main cause of encephalitis.

A A-Gram positive bacteria B B- Viruses C C- Fungi D D- Mycobacterium tuberculosis

A 3-year-old is diagnosed with bacterial meningitis. Cerebrospinal fluid grows out gram positive cocci in short chains and diplococci. This is most likely to be which of the following

A A. Group B Streptococcus B B. Salmonella C C. Staphylococcus aureus D D. Streptococcus pneumoniae

Which of the following is the primary virulence factor of S. pneumoniae

A A. Bile solubility B B. Optochin production C C. Pili D D. Polysaccharide capsule

A 2-year-old child has high fever, is irritable, and has a stiff neck. Gram- stain smear of spinal fluid reveals gram-negative, small pleomorphic coccobacillary organisms. Which of the following is the most appropriate procedure to follow to reach an etiologic diagnosis

A A. Culture the spinal fluid in chocolate blood agar and identify the organism by growth factors. B B. Culture the spinal fluid in mannitol salt agar. C C. Perform a catalase test of the isolated organism D D. Perform a coagulase test with the isolate.

An 18-month-old baby girl is suspected to have H. influenzae meningitis. She has not been immunized with the HIB vaccine. A rapid latex agglutination test is performed with the spinal fluid to make a definitive diagnosis. What chemical component in the spinal fluid are we detecting with this assay

A A. IgG antibody B B. IgM antibody C C. Lipopolysaccharide (LPS) D D. Polysaccharide capsule

CSF from a spinal tap of a patient complaining of a severe headache, fever, and nuchal rigidity revealed the presence of gram-negative coccobacilli. Further testing revealed growth of the organism on growth factors X and V supplemented chocolate agar, and no hemolysis when grown on blood agar. Which of the following organisms represents the above description

A A. Bordetella pertussis B B. Haemophilus ducreyi C C. Haemophilus haemolyticus D D. Haemophilus influenzae

The H. influenzae vaccine contains which of the following

A A. LPS B B. Live attenuated H. influenzae C C. Polypeptide antigens containing D D. Polyribitol phosphate antigens

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