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All are caused by arboviruses except

A) Dengue fever.
B) West Nile fever.
C) Lassa fever.
D) Yellow fever.
E) Chikungunya.
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Terms in this set (34)
All are caused by arboviruses except

A) Dengue fever.
B) West Nile fever.
C) Lassa fever.
D) Yellow fever.
E) Chikungunya.
C) Lassa fever.
all the following combinations are correct EXCEPT:


A) Negri bodies and Rabies virus.
B) Pack of cigars and Mycobacterium leprae.
C) Drum stick appearance and Clostridium botulinum.
D) Satellitism and Hemophilus influenza.
E) Umbrella growth in semisolid medium and Listeria monocytogenes.
C) Drum stick appearance and Clostridium botulinum.
Regarding Kuru, all of the following are correct EXCEPT:

A) lnvariably fatal
B) Untreatable disease
C) More prevalent in young males
D) Prion disease
E) Acquired disease
C) More prevalent in young males
Which of the following matches is INCORRECT?


A) Rabies ------ Negri bodies in cortical neurons.
B) Poliovirus --- Anterior horn cells of spinal cord.
C) JC virus ---- Oligodendroglial inclusions.
D) Herpes Simplex ---- Hemorrhagic necrotizing inflammation in temporal lobe and orbital gyri.
E) CMV --- Intrauterine infection and brain calcification.
A) Rabies ------ Negri bodies in cortical neurons.
80) All of the following are characteristic features of tuberculoid leprosy EXCEPT:

A) Visible nerve enlargement.
B) Low Infectivity.
C) Localized skin lesions.
D) Immunity is severely depressed.
E) Clear evidence of histopathological immune response.
D) Immunity is severely depressed.
All of the following are laboratory diagnostic characteristics of Streptococcus pneumoniae EXCEPT:


A) Positive CAMP test.
B) Optochin sensitive.
C) Positive Quellung reaction.
D) Positive omni-serum reaction.
E) Bile soluble.
A) Positive CAMP test.
Which of the following is the commonest form of Creutzfeldt-Jakob disease?


A) Sporadic.
B) Familial.
C) Inherited.
D) latrogenic.
E) VariantCJD.
A) Sporadic.
Subacute sclerosing panencephalitis is a late complication of infection by which of the following viruses?

A) German measles virus.
B) Poliovirus.
C) Measles virus.
D) Hepatitis A virus.
E) Mumpsvirus.
C) Measles virus.
all of the following viruses are arboviruses EXCEPT:

A) Bunyaviruses.
B) Phleboviruses.
C) Flaviviruses.
D) Alphaviruses.
E) Arenaviruses.
E) Arenaviruses.
Which of the following organs is the primary site of infection by Cryptococcus neoformans?


A) Liver
B) Skin
C) Meninges
D) Bones
E) Lungs
E) Lungs
The use of Neti Pots has been associated with infection with which of the following organisms? A) Listeria monocytogenes. B) Naeglaria fowleri. C) Coagulase-negative staphylococci (CONS). D) Methicillin-resistant Staphylococcus aureus (MRSA). E) Multiple-drug resistant Acinetobacter baumannii.B) Naeglaria fowleri.All of the following are possible causes of lymphocytic CSF EXCEPT: A) Cryptococcosis. B) Leptospirosis. C) Tuberculosis. D) Syphilis. E) Angiostrongyliasis.E) Angiostrongyliasis.All of the following are characteristic features of lepromatous leprosy EXCEPT: A) Immunity is severely depressed. B) Extensive skin lesions. C) Visible nerve enlargement. D) High infectivity. E) No evidence of histopathological immune response.C) Visible nerve enlargement.Regarding Progressive Multifocal Leukoencephalopathy, which of the following statements is FALSE? A) Characterized by progressive demyelination of the white matter. B) It affects AIDS patients and other immunocompromised hosts. C) Morphology includes large oligodendrocyte nuclei with inclusions. D) The virus ascends into the brain through peripheral nerves. E) It is caused by JC virus.D) The virus ascends into the brain through peripheral nerves.90) Which of the following is true about Tetanospasmin? A) Stimulates release of inhibitory neurotransmitter. B) Produced only by lysogenically converted isolates. C) Stimulates release of stimulatory neurotransmitter. D) Inhibits release of inhibitory neurotransmitter. E) Inhibits release of stimulatory neurotransmitter.D) Inhibits release of inhibitory neurotransmitter.Which of the following is the least likely cause of meningitis in a patient with ventriculo- peritoneal shunt? A) Streptococcus agalactiae. B) Staphylococcusepidermidis. C) Pseudomonas aeruginosa D) Staphylococcus aureus. E) AcinetobacterbaumanniiA) Streptococcus agalactiae.Pleurodynia and epidemic myalgia (Bornholm disease) is most likely to be caused by which of the following viruses? A) Coxsackie A viruses. B) Enterovirus serotype E70. C) Echo viruses. D) Coxsackie B viruses. E) Parechoviruses.D) Coxsackie B viruses. aka Coxsackievirus type 2Which of the following matches is INCORRECT? A) Tabes Dorsalis --- Tertiary syphilis. B) Neonatal Meningitis --- Group B Streptococci. C) Tuberculous meningitis --- Caseating granulomas. D) Neisseria Meningitidis --- Skin rash and septicemic shock. E) Aseptic Meningitis --- Clear CSF, increased protein and neutrophils.E) Aseptic Meningitis --- Clear CSF, increased protein and neutrophils.Regarding CNS infections, all the following combinations are correct EXCEPT: A) Fracture base of skull and pneumococcus. B) Neti pots and Hemophilus influenza. C) Birth passages and Listeria monocytogenes. D) Bird droppings and Cryptococcus. E) Waterhouse-Friderichsen syndrome and meningococcusB) Neti pots and Hemophilus influenza.Lysogenic conversion is essential for the pathogenesis of which of the following diseases a- Botulism b- Early-onset neonatal disease due to group B streptococcus c-Tetanus d- Late-onset neonatal listeriosis e-Leprosya- BotulismWhich of the following best describes the genome of the Rabies virus? a- Positive-sense single-stranded RNA b- Negative-sense single-stranded RNA C- Double stranded DNA d- Double stranded RNA e- Single stranded DNAb- Negative-sense single-stranded RNA3- Which of the following best describes the causative agent of Granulomatosis infantiseptica? a- Gram-positive cocci in clusters b- Gram-positive cocci in chains C- Weak acid-fast bacilli d- Acid-fast bacilli e- Gram-positive short bacillie- Gram-positive short bacilli Listeria monocytogenes.Regarding prion protein, which of the following is CORRECT? a- Sensitive to RNAse b- Normal form is PrPsc C- Sensitive to DNAse d- Resistant to glutaraldehyde e- Abnormal form is PrPcd- Resistant to glutaraldehydeAll the following are correctly matched EXCEPT: a- Road traffic car accident... Clostridium tetani b- Smoked fish-...... Clostadium botulinum C- Cook chill food preparation .... Listeria monocytogenes d- Bosintang... Creutzfeldt-Jakob disease e- Plaçental capsules ingestion.... Streptococcus agalactiaed- Bosintang... Creutzfeldt-Jakob disease6- Which of the following is the causative agent of herpangina? a- Herpes simplex virus 1 b- Hepatitis A virus C- Coxsackie virus B d- Herpes simplex virus 2 e-Coxsackie virus Ae-Coxsackie virus AThe three CSF specimens sequentially collected from one patient and labeled 1, 2, & 3 should be ideally delivered to the following laboratories respectively: a- Chemistry, microbiology, hematology ' b- Microbiology, hematology, chemistry C- Hematology, chemistry, microbiology d- Chemistry, hematology, microbiology e- Hematology, microbiology, chemistrya- Chemistry, microbiology, hematology 'Which of the following developmental stages of tick is/are blood feeder/s? a- Larva and adult only b- Larva, nymph and adult C- Larva and nymph only d- Adult only e Nymph and adult onlyb- Larva, nymph and adult- Enteroviruses may cause all the following EXCEPT: a- Aseptic meningitis b- Congenital anomalies C- Hand-foot-mouth disease d- Epidemic myalgia e- Herpanginab- Congenital anomaliesRegarding Streptococcus agalactiae, all of the following are correct except a- Late-onset neonatal disease is usually acquired in-utero b- Neurological sequelae in survivors of neonatal disease are high c- CAMP protein is an important virulence factor d- Is present in breast milk of up to 10% of healthy women e- Carrot broth is a specific enrichment brotha- Late-onset neonatal disease is usually acquired in-uteroSoft ticks are probable arthropod vectors for which of the following diseases? a- Lyme disease b- Anaplasmosis C- Rocky mountain spotted fever d- Babesiosis e- Relapsing fevere- Relapsing feverWhich of the following is NOT correct regarding Negri bodies? a- Microscopic b- Specific to Rabies virus C- Eosinophilic d- In nerve cells of brain e- Nucleare- NuclearWhich of the following bacteria may be transmitted by ingesting honey? a- Mycobacterium leprae b- Clostridium tetani C- Listeria monocytogenes d- Clostridium botulinum e- Streptococcus agalactiaed- Clostridium botulinumWhich of the following antimicrobials may be used to treat Hansen's disease? a- Vancomycin b- Isoniazid C- Amoxicillin d- Aminoglycosides e- Clofaziminee- Clofazimine21- Which of the following bacteria may show tumbling motility? a- Mycobacterium leprae b- Clostridium tetani c- Listeria monocytogenes d Clostridium botulinum e Streptococcus agalactiaec- Listeria monocytogenes