Micro 290 Final Study (Ch 22, 23, 24) UPDATED ACTUAL Questions and
CORRECT Answers
What organism causes streptococcal pharyngitis (strep Streptococcus pyogenes
throat)?
, Which complication results from toxin-producing Scarlet fever (characterized by pinpoint red rash on neck and chest)
Streptococcus pyogenes?
Strep throat infections can spread to the ear or fascia, True
causing otitis media or necrotizing fasciitis. (T or F)
Corynebacterium diphtheriae causes a pseudo- DTaP / Tdap ("D" = diphtheria)
membrane in the throat that may obstruct breathing.What
vaccine prevents this infection?
The pseudo-membrane in diphtheria is primarily Fibrous dead cells and immune material
composed of:
Bordetella pertussis causes which disease? Whooping cough (pertussis)
How does Bordetella pertussis impair the respiratory Its toxins paralyze cilia, preventing mucus movement → violent coughing
tract?
The characteristic high-pitched "whoop" occurs during: Inhalation after rapid cough bursts
Mycobacterium tuberculosis primarily infects which The alveoli of the lungs
structure?
The body walls off tuberculosis bacteria in structures Tubercles (calcified fibrous nodules)
called_____ _.
True or False: A positive PPD (Mantoux) test means active False - it only shows previous exposure and antibody formation.
tuberculosis infection.
Tuberculosis treatment typically requires antibiotics for 9 - 15 months
how long?
Why are drug-resistant TB strains increasing? Patients often fail to complete their antibiotic therapy.
Streptococcus pneumoniae causes __________ pneumonia, Bacterial
which often appears as a secondary infection after
influenza.
Mycoplasma pneumoniae causes which form? Walking (atypical) pneumonia - a primary disease affecting healthy people.
True or False: Mycoplasma pneumoniae has no cell wall True
and is the smallest known bacterium.
Klebsiella pneumoniae and Serratia marcescens primarily Hospitalized or immunocompromised patients (nosocomial infections)
infect:
Legionella pneumophila thrives in: Air conditioning systems and standing water
What major event led to the discovery of Legionella 1976 Legionnaires' conference in Philadelphia (hotel AC outbreak)
pneumophila?
CORRECT Answers
What organism causes streptococcal pharyngitis (strep Streptococcus pyogenes
throat)?
, Which complication results from toxin-producing Scarlet fever (characterized by pinpoint red rash on neck and chest)
Streptococcus pyogenes?
Strep throat infections can spread to the ear or fascia, True
causing otitis media or necrotizing fasciitis. (T or F)
Corynebacterium diphtheriae causes a pseudo- DTaP / Tdap ("D" = diphtheria)
membrane in the throat that may obstruct breathing.What
vaccine prevents this infection?
The pseudo-membrane in diphtheria is primarily Fibrous dead cells and immune material
composed of:
Bordetella pertussis causes which disease? Whooping cough (pertussis)
How does Bordetella pertussis impair the respiratory Its toxins paralyze cilia, preventing mucus movement → violent coughing
tract?
The characteristic high-pitched "whoop" occurs during: Inhalation after rapid cough bursts
Mycobacterium tuberculosis primarily infects which The alveoli of the lungs
structure?
The body walls off tuberculosis bacteria in structures Tubercles (calcified fibrous nodules)
called_____ _.
True or False: A positive PPD (Mantoux) test means active False - it only shows previous exposure and antibody formation.
tuberculosis infection.
Tuberculosis treatment typically requires antibiotics for 9 - 15 months
how long?
Why are drug-resistant TB strains increasing? Patients often fail to complete their antibiotic therapy.
Streptococcus pneumoniae causes __________ pneumonia, Bacterial
which often appears as a secondary infection after
influenza.
Mycoplasma pneumoniae causes which form? Walking (atypical) pneumonia - a primary disease affecting healthy people.
True or False: Mycoplasma pneumoniae has no cell wall True
and is the smallest known bacterium.
Klebsiella pneumoniae and Serratia marcescens primarily Hospitalized or immunocompromised patients (nosocomial infections)
infect:
Legionella pneumophila thrives in: Air conditioning systems and standing water
What major event led to the discovery of Legionella 1976 Legionnaires' conference in Philadelphia (hotel AC outbreak)
pneumophila?
