CNS Infections

Beschreibung

CNS Infections given by Dr Mooka on 11/9/2018
Matthew Coulson
Quiz von Matthew Coulson, aktualisiert more than 1 year ago
Matthew Coulson
Erstellt von Matthew Coulson vor etwa 6 Jahre
31
1

Zusammenfassung der Ressource

Frage 1

Frage
Bacterial meningitis' are known as [blank_start]pyogenic[blank_end] meningitis, whereas meninigitis caused by other organisms (e.g. viruses) is known as [blank_start]aseptic[blank_end] meningitis.
Antworten
  • aseptic
  • pyogenic
  • suppurative

Frage 2

Frage
Suppurative meningitis simply refers to a meningitis whereby pus is involved. Which cell type is abundant in these cases of meningitis?
Antworten
  • Neutrophils
  • Basophils
  • Eosinophils

Frage 3

Frage
Which of the following bacteria are most commonly associated with meningitis? (2 answers)
Antworten
  • Streptococcus pneumoniae
  • Neisseria Meningitidis (Meningococcus)
  • Staphylococcus Aureus
  • Pseudomonas Aeruginosa

Frage 4

Frage
The standard treatment for a community acquired bacterial meningitis is a combination of which two drugs?
Antworten
  • Ceftriaxone IV
  • Ciprofloxacin IV
  • Dexamethasone IV
  • Beclomethasone IV

Frage 5

Frage
However, if the bacterial meningitis is caused by Listeria, which drug should be given for 21 days as treatment?
Antworten
  • Amoxicillin
  • Gentamicin
  • Metronidazole
  • Ceftriaxone alone

Frage 6

Frage
Which 3 investigations are routinely conducted in order to diagnose a viral meningitis?
Antworten
  • CSF PCR
  • Salival PCR
  • Viral Stool Culture
  • Throat Swab
  • Blood test
  • CSF Culture

Frage 7

Frage
Encephalitis usually has a bacterial cause
Antworten
  • True
  • False

Frage 8

Frage
The most common virus causing encephalitis is [blank_start]herpes simplex[blank_end] virus
Antworten
  • herpes simplex

Frage 9

Frage
Which of the following symptoms tend to occur in encephalitis patient but not in meningitis patients? (2 answers)
Antworten
  • Confusion
  • Seizures
  • Headache
  • Stiff neck

Frage 10

Frage
Migraine pain is due to [blank_start]vasodilation[blank_end] whereas headache pain is due to [blank_start]vasoconstriction[blank_end]
Antworten
  • vasodilation
  • vasoconstriction
  • vasoconstriction
  • vasodilation

Frage 11

Frage
A non-blanching purpuric rash is indicative of which condition? [blank_start]Meningitis[blank_end]
Antworten
  • Meningitis

Frage 12

Frage
In ages 10-21, the most common cause of community acquired bacterial meningitis is...
Antworten
  • Neisseria Meningitidis
  • Streptococcus Pneumonia
  • Listeria

Frage 13

Frage
In those over 21, the most common cause of community acquired bacterial meningitis is...
Antworten
  • Neisseria Meningitidis
  • Streptococcus Pneumoniae
  • Listeria

Frage 14

Frage
In children, the most common cause of community acquired bacterial meningitis is...
Antworten
  • Haemophilus Influenzae
  • Streptococcus Influenzae
  • Neisseria Meningitidis
  • E.coli

Frage 15

Frage
Streptococcus pneumoniae is a normal part of the microbiota of the ...
Antworten
  • Oropharynx
  • Nasopharynx
  • Laryngopharynx

Frage 16

Frage
A woman with a fractured cribriform plate subsequently develops meningitis during her time in hospital. Which organism has most likely caused her meningitis? (See explanation for why)
Antworten
  • Streptococcus Pneumoniae
  • Neisseria Meningitidis
  • Listeria
  • Staphylococcus Aureus

Frage 17

Frage
Haemophilus Influenzae is a normal part of the microbiota of the ...
Antworten
  • Nasal cavity
  • Large Intestine
  • Stomach
  • Throat

Frage 18

Frage
Which organism is shown in the picture?
Antworten
  • Streptococcus Pneumoniae
  • Neisseria Meningitidis
  • Listeria
  • Staphylococcus Aureus

Frage 19

Frage
Which organism is shown in the picture?
Antworten
  • Streptococcus Pneumoniae
  • Neisseria Meningitidis
  • Listeria
  • Staphylococcus Aureus

Frage 20

Frage
Streptococcus Pneumoniae are gram [blank_start]positive[blank_end] cocci that are arranged [blank_start]in pairs[blank_end]
Antworten
  • positive
  • negative
  • in pairs
  • in threes
  • as single, unbound cocci

Frage 21

Frage
Neisseria Meningitidis are [blank_start]intracellular[blank_end] gram [blank_start]negative[blank_end] [blank_start]cocci[blank_end].
Antworten
  • intracellular
  • extracellular
  • negative
  • positive
  • cocci
  • bacilli

Frage 22

Frage
A 35 year old man presents with a fever, altered consciousness and a stiff neck. What is the most likely diagnosis from the options below?
Antworten
  • Meningitis
  • Encephalitis
  • Hydrocephalus

Frage 23

Frage
Haemophilus Influenzae are
Antworten
  • gram negative coccobacilli
  • gram positive coccobacilli
  • gram negative cocci
  • gram positive cocci

Frage 24

Frage
Another way to differentiate bacterial meningitis from aseptic meningitis via the CSF is by looking at the WBC count. Pyogenic Meningitis shows a [blank_start]high WBC count[blank_end] Aseptic Meningitis shows a [blank_start]low WBC count[blank_end]
Antworten
  • high WBC count
  • low WBC count

Frage 25

Frage
Bradycardia, Systolic Hypertension and irregular, decreased respirations are the three constituents of [blank_start]Cushing's[blank_end] triad
Antworten
  • Cushing's

Frage 26

Frage
All adult patients with suspected meningitis (expect those with clear contraindications) should undergo which investigative procedure?
Antworten
  • Lumbar Puncture
  • Stool Culture
  • Throat Swab
  • CT scan of the head

Frage 27

Frage
Give steroids to all patients with suspected [blank_start]bacterial meningitis[blank_end] before or with the first dose of antibiotics then every 6 hours for 4 days.
Antworten
  • pyogenic meningitis
  • aseptic meningitis
  • encephalitis

Frage 28

Frage
All new cases of Meningitis must be reported directly to Public Health.
Antworten
  • True
  • False

Frage 29

Frage
The contact prophylaxis regimen for those exposed to an individual with meningitis is 500mg [blank_start]ciprofloxacin[blank_end] orally as a single dose for all adults and children over 12.
Antworten
  • ciprofloxacin
  • ceftriaxone
  • co-amoxiclav

Frage 30

Frage
Typical CSF Findings: Viral Meningitis - Protein levels [blank_start]normal[blank_end], glucose level [blank_start]normal[blank_end] Bacterial Meningitis - Protein levels [blank_start]high[blank_end], glucose level [blank_start]low[blank_end]
Antworten
  • normal
  • high
  • low
  • normal
  • high
  • low
  • high
  • normal
  • low
  • low
  • high
  • normal

Frage 31

Frage
The normal level of glucose in the CSF is around ...
Antworten
  • 60-70% of blood glucose concentration
  • 80-90% of blood glucose concentration
  • 120-130% of blood glucose concentration
  • 140-150% of blood glucose concentration

Frage 32

Frage
In terms of CSF: High concentration of Polymorphs (Neutrophils, etc) = [blank_start]Pyogenic Meningitis[blank_end] High concentration of Lymphocytes (B & T cells) = [blank_start]Aseptic Meningitis[blank_end]
Antworten
  • Pyogenic Meningitis
  • Aseptic Meningitis

Frage 33

Frage
Which of the following describes the normal range values of a CSF sample?
Antworten
  • Red Blood Cells <5mm3 White Blood Cells <5mm3 Protein 150-450mg/L Glucose 60-70% of blood glucose
  • Red Blood Cells <5mm3 White Blood Cells <12mm3 Protein 150-450mg/L Glucose 60-70% of blood glucose
  • Red Blood Cells <5mm3 White Blood Cells <12mm3 Protein 250-500mg/L Glucose 60-70% of blood glucose
  • Red Blood Cells <15mm3 White Blood Cells <5mm3 Protein 150-450mg/L Glucose 120-130% of blood glucose
  • Red Blood Cells <15mm3 White Blood Cells <5mm3 Protein 250-500mg/L Glucose 60-70% of blood glucose

Frage 34

Frage
The most common cause of viral meningitis is [blank_start]enteroviruses[blank_end] and this typically affects children. [blank_start]Herpes simplex virus[blank_end] on the other hand is less common and typically causes viral meningitis in adolescents and adults.
Antworten
  • enteroviruses
  • herpes simplex virus
  • Herpes simplex virus
  • Enteroviruses

Frage 35

Frage
[blank_start]Herpes Simplex Virus[blank_end] is the most common cause of Encephalitis and has an overall [blank_start]worse[blank_end] prognosis than viral meningitis
Antworten
  • Herpes Simplex Virus
  • Enteroviruses
  • worse
  • better

Frage 36

Frage
The occurrence of which type of meningitis is an indication for HIV testing of a patient?
Antworten
  • Pyogenic Meningitis
  • Aseptic Meningitis

Frage 37

Frage
Typically, viral meningitis has to be treated conservatively due to lack of treatment options for most of the causative organisms. Despite this however, viral meningitis caused by which virus can be treated by antivirals?
Antworten
  • Herpes Simplex Virus
  • Enteroviruses
  • Epstein Barr Virus

Frage 38

Frage
Name the antiviral typically given to patients suffering from Herpes Simplex Virus Meningitis. [blank_start]Aciclovir[blank_end]
Antworten
  • Aciclovir

Frage 39

Frage
After draining any pus, the treatment of a brain abscess should be via which two of the following medications?
Antworten
  • Ceftriaxone
  • Metronidazole
  • Ciprofloxacin
  • Dexamethasone
  • Gentamicin
  • Amoxicillin

Frage 40

Frage
Fungal meningitis typically concerns which organism?
Antworten
  • Cryptococcus Grattii
  • Cryptococcus Neoformans
  • Cryptococcus Albicans
  • Cryptococcus Tremellaceae

Frage 41

Frage
Cryptococcus Meningitis typically occurs in patients with ...
Antworten
  • HIV/AIDS
  • Crohn's Disease
  • Addison's Disease
  • Cushing's Disease
  • Wilson's Disease
  • Ulcerative Colitis

Frage 42

Frage
Treatment of Viral Meningitis by causative organism: Human Enterovirus: [blank_start]Supportive Treatment Only[blank_end] Herpes Simplex/Zoster: [blank_start]Aciclovir[blank_end] Cytomegalovirus: [blank_start]Ganciclovir[blank_end]
Antworten
  • Supportive Treatment Only
  • Aciclovir
  • Ganciclovir
  • Aciclovir
  • Supportive Treatment Only
  • Ganciclovir
  • Ganciclovir
  • Supportive Treatment Only
  • Aciclovir

Frage 43

Frage
If there is a delay in getting a patient with suspected bacterial meningitis to hospital, it is routine practice to give emergency treatment in the form of intramuscular Benzylpenicillin or Ceftriaxone
Antworten
  • True
  • False

Frage 44

Frage
Whilst the CSF is being checked for the causative organism of the Meningitis, empirical treatment should be given in the form of which two drugs?
Antworten
  • Ceftriaxone
  • Vancomycin
  • Amoxicillin
  • Gentamicin
  • Metronidazole
  • Ciprofloxacin
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