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Foundations in Microbiology, 4/e
Kathleen Park Talaro, Pasadena City College
Arthur Talaro

The Cocci of Medical Importance

Multiple Choice Quiz



1

Which of the following are pyogenic cocci:
A)Streptococcus
B)Staphylococcus
C)Neisseria
D)all of these
2

The coagulase test is used to differentiate Staphylococcus aureus from
A)other staphylococci
B)streptococci
C)micrococci
D)enterococci
3

The symptoms in scarlet fever are due to
A)streptolysin
B)coagulase
C)pyrogenic toxin
D)alpha toxin
4

Penicillin-resistant Staphylococcus can be treated with ______ without sensitivity testing.
A)ampicillin
B)erythromycin
C)methicillin
D)no antibiotic
5

The most severe streptococcal diseases are caused by
A)group B streptococci
B)group A streptococci
C)pneumococci
D)enterococci
6

Rheumatic fever damages the _______, and glomerulonephritis damages the______
A)skin, heart
B)joints, bone marrow
C)heart valves, kidney
D)brain, kidney
7

______ hemolysis is the partial lysis of red blood cells due to bacterial hemolysins.
A)Gamma
B)Alpha
C)Beta
D)Delta
8

An effective vaccine exists to prevent infections from
A)Staph, aureus
B)Strep. pyogenes
C)N. gonorrhoeae
D)Strep. pneumoniae
9

Viridans streptococci commonly cause
A)pneumonia
B)meningitis
C)subacute endocarditis
D)otitis media
10

Which genus of bacteria has pathogens that can cause blindness and deafness?
A)Streptococcus
B)Staphylococcus
C)Neisseria
D)Branhamella
11

An important test for identifying Neisseria is
A)production of oxidase
B)production of catalase
C)sugar fermentation
D)beta-hemolysis
12

A complication of genital gonorrhea in both men and women is
A)infertility
B)pelvic inflammatory disease
C)arthritis
D)blindness
13

The skin blotches in meningitis are due to
A)skin invasion by N. meningitidis
B)blood clots
C)erysipelas
D)endotoxins in the blood
14

Which infectious agent of those covered in the chapter would most likely be acquired from a contaminated doorknob?
A)Staphylococcus aureus
B)Streptococcus pyogenes
C)Neisseria meningitidis
D)Streptococcus pneumoniae