MCQ Library Flashcards
Name three diseases classified as hemorrhagic fever.
Ebola virus disease, Lassa fever, Hantavirus pulmonary syndrome, or Crimean-Congo hemorrhagic fever.
Is yellow fever classified as a hemorrhagic fever here?
No
Is Cryptococcus neoformans encapsulated?
Yes
What color colonies does Cryptococcus neoformans produce on Sabouraud Dextrose Agar (SDA)?
Brown
Which patients are most commonly affected by Cryptococcus neoformans meningitis?
AIDS patients
What enzyme does Cryptococcus neoformans possess?
Phenol oxidase
What structural feature does Bacteroides species possess?
Polysaccharide capsule
What drug is commonly used to treat Bacteroides infections?
Metronidazole
Under what conditions do Bacteroides species grow?
Anaerobic conditions
Does Bacteroides lipopolysaccharide (LPS) exhibit significant endotoxin activity?
No
Name diseases caused by Flaviviridae family viruses.
Rift Valley fever, West Nile virus fever, Dengue fever, Zika fever
List factors contributing to the emergence of infectious diseases.
Microbial evolution, famine, climate change, human behavior
Does widespread vaccination contribute to the emergence of infectious diseases?
No
Name diseases associated with EBV.
X-linked lymphoproliferative syndrome, Non-endemic Burkitt’s lymphoma, Transplant-associated lymphoproliferative syndrome, Acute infectious mononucleosis
Does Acinetobacter baumannii acquire resistance determinants rapidly?
Yes
Does Acinetobacter baumannii cause colonization or infection more frequently?
Colonization
Name a type of infection caused by Acinetobacter baumannii.
Bloodstream infections
Where is Acinetobacter baumannii primarily a pathogen?
Nosocomial (hospital-acquired) settings
Name virulence factors of Neisseria gonorrhoeae.
Pili, IgA protease, Porin proteins, Lipooligosaccharide
Does Neisseria gonorrhoeae have a polysaccharide capsule?
No
What are the most frequently involved sites in Herpes Zoster?
Dorsal nerve roots of the trunk
Are Picornaviruses resistant to disinfectants?
Yes
What causes symptoms in rhinovirus infection?
Secretion of bradykinin and histamine from damaged cells
To which family do enteric cytopathic human orphan viruses belong?
Picornaviridae
What virus causes hand, foot, and mouth disease?
Coxsackie A virus
Name antibiotics effective against Pseudomonas aeruginosa urinary tract infections.
Ceftazidime, Aminoglycosides, Piperacillin/tazobactam, Carbapenem
Is Ampicillin used for complicated Pseudomonas aeruginosa UTIs?
No
Name recurrent diseases caused by HSV-1.
Herpes labialis, Keratoconjunctivitis, Acute herpetic gingivostomatitis, Eczema herpeticum
Name virulence factors of Bordetella pertussis.
Tracheal cytotoxin, Fimbriae, Pertussis toxin, Filamentous hemagglutinin
Name infections caused by adenoviruses.
Conjunctivitis, Common cold-like syndrome, Pharyngoconjunctival fever, Keratoconjunctivitis
What is the Widal test used to diagnose?
Salmonella typhi
Is Candidiasis an uncommon opportunistic mycosis?
Yes
What structural feature is present in Candida yeast cells?
Capsule
Is Candida part of the normal flora?
Yes
Is Candidiasis primarily exogenous or endogenous?
Exogenous
What is the most common fungal cause of Tinea capitis?
Candida
