Infectious Diseases and Pathogens Quiz
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Questions and Answers

Which signaling molecule from microbes recognized by phagocytes is?

  • Lectin
  • PAMP (correct)
  • Bradykinin
  • Complement

Which of the following is a common mechanism of reproduction in bacteria?

  • Fragmentation
  • Binary Fission (correct)
  • Bursting
  • Budding

Which of the following is NOT an acquired/adaptive immune cell?

  • Basophils
  • Eosinophils
  • Lymphocytes
  • Neutrophils (correct)

What is the primary component of the cell wall of fungi?

<p>Chitin (B)</p> Signup and view all the answers

Which pathogen causes Malaria?

<p>Plasmodium (B)</p> Signup and view all the answers

What is the first phase of a bacterial growth curve?

<p>Lag phase (D)</p> Signup and view all the answers

How do spirochete bacteria move?

<p>Both 'B' and 'C' (C)</p> Signup and view all the answers

Which bases are paired with Adenine in DNA?

<p>Both 'B' and 'C' (B)</p> Signup and view all the answers

What is a classic symptom of pertussis?

<p>Paroxysmal coughing (C)</p> Signup and view all the answers

How are Leptospira species transmitted from their animal reservoirs to humans?

<p>Contact with urine from an infected animal (C)</p> Signup and view all the answers

Why are coliforms used as indicator organisms of sewage pollution?

<p>They ferment lactose (B)</p> Signup and view all the answers

What is the cardinal manifestation of human brucellosis?

<p>A fluctuating pattern of fever (D)</p> Signup and view all the answers

Which organism can be differentiated from Neisseria gonorrheae by Maltose fermentation?

<p>Enterococci (A)</p> Signup and view all the answers

A pus cultured on chocolate agar showing Gram-negative cocci is most likely caused by which organism?

<p>Neisseria (D)</p> Signup and view all the answers

In meningococcal meningitis, the CSF shows what type of bacterial morphology along with pus cells?

<p>Gram-negative diplococci (C)</p> Signup and view all the answers

Which bacterium is responsible for Gas gangrene?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is a virulence factor of Staphylococcus aureus?

<p>Coagulase (D)</p> Signup and view all the answers

Which organism is responsible for the short incubation food poisoning caused by ingestion of preformed enterotoxin?

<p>Staphylococcus aureus (A)</p> Signup and view all the answers

What is the primary factor of Streptococcus pneumoniae?

<p>Coagulase (B)</p> Signup and view all the answers

In a needle stick injury with subsequent jaundice development, what finding implicates hepatitis B as the etiology?

<p>Positive hepatitis B surface antigen (A)</p> Signup and view all the answers

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