27 terms

Microbiology Test 2 (Chapter 18)

Chapter 18 multiple choice questions and matching.
Which of the following is/are a pyogenic coccus/cocci?

A) Streptococcus C) Neisseria
B) Staphylococci D) All of these
D) All of These
The Coagulase test is used to differentiate Staphylococcus aureus from?

A) Other Staphylococci
B) Streptococci
C) micrococci
D) enterococci
A) Other Staphylococci
The symptoms in scarlet fever are due to?

A) Streptolysin
B) coagulase
C) erythrogenic toxin
D) alpha - toxin
C) erythrogenic toxin
The most severe streptococcal diseases are caused by?

A) group B streptococci
B) group A streptococci
C) pneumococci
D) enterococci
B) group A streptococci
Rheumatic fever damages the _______ and glomerulonephritis damages the ________.

A) skin, heart
B) joints, bone marrow
C) heart valves, kidney
D) brain, kidney
C) heart valves, kidney
_______ hemolysis is the partial lysis of red blood cells due to bacterial hemolysins.

A) Gamma -
B) Alpha -
C) Beta -
D) Delta -
B) Alpha -
Viridans streptococci commonly cause

A) pneumonia
B) meningitis
C) subacute endocarditis
D) Otitis media
C) subacute endocarditis
Which of the following strains of pathogens has the lowest incedence?
Otitis media is a/an _________ infection often caused by _________

A) bone, staphylococcus aureus
B) eye, N. gonorrhoeae
C) middle ear, Streptococcus pneumoniae
D) brain, N. meninginitis
C) middle ear, Streptococcus pneumoniae
Which genus of bacteria has pathogens that can cause blindness?

A) Streptococcus
B) Staphylococcus
C) Neisseria
D) Branhamella
C) Neisseria
An important test for identifying Neisseria is?

A) Production of oxidase
B) Production of Catalase
C) Sugar fermentation
D) beta - hemolysis
A) production of oxidase
A complication of genital gonorrhea in both men and women is?

A) infertility
B) pelvic inflammatory disease
C) arthritis
D) blindness
A) infertility
What virulence factor is associated with the development of skin hemorrhages in meningitis?

A) skin invasion by N. meningitidis
B) blood clots
C) erysipelas
D) endotoxins in the blood
D) Endotoxins in the blood
Which infectious agent of those covered in chapter 18 would most likely be acquired from a contaminated doorknob?

A) Staphylococcus aureus
B) Streptococcus pyogenes
C) Neisseria meningitidis
D) Streptococcus pneumoniae
A) Staphylococcus aureus
Which of the following effects is/are caused by formation of an infectious biofilm?

A) disseminated infection
B) failure of drug therapy
C) colonization of tissues
D) a and b
E) b and c
F) all of these
F) All of these
a boil
focal infection of long bones
enzyme of pathogens S. aureus
erythogenic toxin
cause of scarlet fever symptoms
rheumatic fever
long term sequelae of strep throat
beta hemolysis
complete red blood celll lysis
solidification of lung alveoli
viridans streptococci
cause of tooth abscesses
cutaneous infestion of group A streps
heart colonization of oral sreps
substance involved in heart valve damage
enzyme that dissolves clots