‫وزارة التعليم العالي‬
‫جامعة المجمعة‬
‫كلية العلوم الطبية التطبيقية‬
‫قسم علوم المختبرات الطبية‬
Ministry of Higher Education
Majmaah University
College of Applied Medical Sciences
Department of Medical Laboratory
Lecture 4
Name of Instructor: Dr. Mosaab Omar
Location: Majmaah male campus
MCQ:
Please find the proper answer of the following:
1- ………………Gram-positive cocci arranged in chains or pairs, most
group A, B, and C strains produce capsules………
a- Mycoplasma
b- Mycobacterium
c- Staphylococcus
d- Streptococcus
2- Which of the following statements regarding Streptococcus are
true………….…:
a. Most are facultative anaerobic and some are capnophilic.
b. For most species growth and hemolysis are aided by incubation in 10% CO2.
c. Catalase-negative
d. All of them
3- Incomplete lysis of RBC with the formation of green pigment.…………
a- Beta hemolysis
b- Gamma Hemolysis
c- alpha –hemolysis
d- None of them
4- Can transiently colonize the oropharynx and skin. Diseases are caused
by recently acquired strains that can establish an infection of the
pharynx or skin………..……
a- Streptococcus mutans
b-
Streptococcus pneumoniae
c- S. pyogenes
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d- Viridans streptococci
5- The most common infections related to Streptococcus pyogens are…
a- Rheumatic fever
b- Acute glomerulonephritis
c- pyoderma
d- All of them
6- Virulent factors related to S. agalactiae are ………………….
a-
beta-hemolytic
b- capsular polysaccharides Lack spores and flagella
c- Alpha haemolytic
d-
Both A and B
7- The most common diseases related to S. agalactiae are …………….
a- Neonatal sepsis or meningitis
b- endometritis and wound infections
a- Pneumonia
b- Both A and B
8- The most common diseases related to Viridans streptococci are
…………….
a- Subacute endocarditis
c- Intra-abdominal infections
d- Dental caries
e- All of them
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