20 Questions
Which signaling molecule from microbes recognized by phagocytes is?
PAMP
Which of the following is a common mechanism of reproduction in bacteria?
Binary Fission
Which of the following is NOT an acquired/adaptive immune cell?
Neutrophils
What is the primary component of the cell wall of fungi?
Chitin
Which pathogen causes Malaria?
Plasmodium
What is the first phase of a bacterial growth curve?
Lag phase
How do spirochete bacteria move?
Both 'B' and 'C'
Which bases are paired with Adenine in DNA?
Both 'B' and 'C'
What is a classic symptom of pertussis?
Paroxysmal coughing
How are Leptospira species transmitted from their animal reservoirs to humans?
Contact with urine from an infected animal
Why are coliforms used as indicator organisms of sewage pollution?
They ferment lactose
What is the cardinal manifestation of human brucellosis?
A fluctuating pattern of fever
Which organism can be differentiated from Neisseria gonorrheae by Maltose fermentation?
Enterococci
A pus cultured on chocolate agar showing Gram-negative cocci is most likely caused by which organism?
Neisseria
In meningococcal meningitis, the CSF shows what type of bacterial morphology along with pus cells?
Gram-negative diplococci
Which bacterium is responsible for Gas gangrene?
All of the above
Which of the following is a virulence factor of Staphylococcus aureus?
Coagulase
Which organism is responsible for the short incubation food poisoning caused by ingestion of preformed enterotoxin?
Staphylococcus aureus
What is the primary factor of Streptococcus pneumoniae?
Coagulase
In a needle stick injury with subsequent jaundice development, what finding implicates hepatitis B as the etiology?
Positive hepatitis B surface antigen
Test your knowledge on infectious diseases and pathogens with this quiz! Questions cover symptoms of pertussis, complications of typhoid fever, transmission of Leptospira species, and the use of coliforms as indicator organisms. Challenge yourself with these multiple-choice questions!
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