Microbiology Systems Flashcards
The most common infection that transmitted by direct contact:
- Infunza
- Infectious mononucleosis
- Lymohogranuloma venrum
- RSV
- Rhinovirus
- Norwalk virus
The most common infection that transmitted by droplet ( coughing/sneezing)
- Meningococcus
- Adenovirus
- Pertussis
The most common infection that transmitted by airborne ( aerosols , ventilation system)
- TB
- Measles
- Chickenpox
- Smallpox
The most common infection that transmitted by mosquito
- Malaria
- Dengue fever
- Chikungunya
- Yellow fever
- Zika fever
The most common infection that transmitted by tick
- Lyme disease
- RMSF( rocky mountin spotted fever)
Which bacteria lead to food poisoning that start quickly and end quickly?
- S.aureus
- B. Cereus
Which bacteria transmitted by rice food poisoning
B.cereus
Which bacteria transmitted by canned food (toxin)or raw honey (spores)?
Botulinum
Which bacteria transmitted by rheated meat
C.perifirngens
Which bacteria transmitted by undercooked meat
EHEC O.157:H7
Which bacteria transmitted by deli meats, soft cheeses
Listeria monocytogenes
Which bacteria transmitted by poultry, meat and egg
Salmonella
Which bacteria transmitted by mayonnaise
S.aureus
Which bacteria transmitted by contaminatied seafood
V.parahaemolyticus
V.vulni-ficus
Bacteria that cause bloody diarrhea and growth at 42 C
C.jejuni
protozoa that cause bloody diarrhea and liver abscess
E.histolytica
Bacteria that cause bloody diarrhea and release shiga like toxin
EHEC
Bacteria that cause bloody diarrhea and invades colonic mucosa
EIEC
Bacteria that cause bloody diarrhea and lactose (-) and flagellar motility
Salmonella
Bacteria that cause bloody diarrhea and lactose negative and produce shiga toxin
Shigella
Bacteria that cause bloody diarrhea and cause pseudoappendicitis
Yerisina enterocolitica
Bacteria that cause watery diarrhea and pseudomembranous colitis
C.difficle
Bacteria that cause watery diarrhea and gass gangrene
C.perfringens
Bacteria that cause watery diarrhea ( travel’s diarrhea)
ETEC
Protozoa that cause watery diarrhea
Giardia and crypto-spor-idium
Bacteria that cause rice watery diarrhea
V. Cholera
Viruses that cause watery diarrhea
Rotavirus, norovirus, adenovirus
Fluid -filled cavity in the liver, with fever, chills and right upper abdominal pain, its symptomes of which disease?
Hepatic abscess
Symptomes of hepatic abscess
- Fever
- Chills
- Right upper abdominal pain
Causes of hepatic abscess in underdevelped countries:
*Parasitic infection :
1. E.histolytica,
2. Echinococcal ‘
Causes of hepatic abscess in developed countries:
Pyogenic Bacterial infection( 80% of cases)
What’s meaning pyogenic bacteria?
It’s the bacteria that producing pus
Most common cause of pneumonia in neonates <4 weeks?
- Group B streptococci
- E.coli
What’s the Most common cause of pneumonia in children 4 weeks-18 years old ?
- RSV(virus)
- Mycoplasma
- C. Trachomatis
- C. Pneumonia
- S.pneumonia
What’s the Most common cause of pneumonia in adult 18-40 years old ?
- Mycoplasma
- C.pneumonia.
- S.pneumonia
- Influnza virus
What’s the Most common cause of pneumonia in adult 40-65 years old ?
- S. Pneumonia
- H-influnza
What’s the Most common cause of pneumonia in elderly?
- S.pneumonia
- Influnza virus
The most common 3 symptomes of pneumonia ?
- Fever
- Productive cough
- Pleuritic chest pain
What’s the Most common cause of pneumonia in school-aged children ?
C.pneumonia
What’s the Most common cause of pneumonia in alcoholic ?
- Klebsiella
- Anaerobes
What’s the Most common cause of pneumonia in IV drugs users ?
- S.aureus
- S.pneumoniae
What’s the Most common cause of pneumonia in aspiration patients
Anaerobic bacteria
What’s the Most common cause of atypical pneumonia ?
- Mycoplasma
- Legionella
- Chlamydia
What’s the Most common cause of pneumonia in cystic fibrosis ?
- Pseudomonas ( adult )
- Bur-khold-eria cepacia
- S.aureus (children )
- S.pneumonia
What’s the Most common cause of pneumonia in immunocompramised?
- S.aureus
- Enteric gram. (-)
What’s the Most common cause of pneumonia in nosocomia ?
- S.aureus
- Pseudomonas
What’s the Most common cause of postviral pneumonia
- S.pneumonia
- S.aureus
- H-influnza
Which syndrome characterized by Transporting of the GIT contents ( gastic acid, bacteria microflora,etc.. ) to the respiratory tract ?
Aspiration syndrome
Types of aspiration syndrome:
- Pneumonia
- Pneumonitis
What’s the Different between pneumonia and pneumonitis ?
- Pneumonia is infection of lungs parynchyma , pneumonitis is inflammation of lungs parynchyma.
- Pneumonia present days after aspiration event, pneumonitis present hours afer aspiration event.
- Pneumonia can progess to abscess in the right lowe lobe, pneumonitis No abscess progress.
Aspiration lungs abscess commonly effect in which lobe of lungs ?
Right lobe
Aspiration lungs abscess effect on right lung’s lobes depending to the patient position.
1. In case of upright: ??
2. In case of supline: ??
- In case of upright:
*basal segment (inferior segment ) of lower lobe - In case of supline :
A.superior segment of lower lobe
B. Posterior segment of upper lobe
Which type of lungs diseases cause by Anaerobic bacteria that normally found in the oral cavity ( eg, fusobacterium, peptostreptococcus, bacteroids) ?
Aspiration lungs abscess
Which disease cause: cough with copious production of greenish foul-smelling sputum, fever, malaise , loss of weight?
Aspiration lung abscess
Most common cause of nasopharyngitis ( common cold ) in children ?
- Rhinovirus
- Influnza virus
- Corona virus
What’s the Most common cause of laryngotracheitis ( croup) in children ?
Parainfluenza virus
What’s the Most common cause of epiglottits in children ?
H-influnza
What’s the Most common cause of bronchiolitis in children ?
RSV (respiratory syncytial virus ).
Which disease in children have this symptomes:nasal congestion& discharge, sneezing , cough & sore throat ?
Nasopharyngitis
Which disease in children have this symptomes: upper respiratory tract symptomes followed by hoarseness, barking cough, stridor, & respiratory distress?
Laryngotracheobonchitis (croup )
Which disease in children have this symptomes : sore throat , cervical lymphoadenopathy, coalescing, Pseudomembranous pharyngitis?
Diphtheria
Which disease in children have this symptomes: sore throat , dysphagia , drooling & respiratory distress?
Epiglottitis
Which disease in children have this symptomes: upper respiratory tract symptomes followed by wheezing , cough & respiratory distress?
Bronchiolitis
Fever , headache and neck rigidity characterised the ?
Meningitis
What’s the most common cause of meningitis in newborn 0-6 months?
- Group B streptococci
- E.coli
- Listeria
What’s the most common cause of meningitis in children 6 months -6 years old?
- S.pneumonia
- N.Meningititis
- H.influenza
What’s the most common cause of meningitis in 6 -60 years old
- S.pneumonia
- N. Meningitis
- Enterovirus
What’s the most common cause of meningitis in teens
N.menigitis
What’s the most common cause of meningitis after +60 years old .
S. Pneumonia
Which Viral cause menigitis ?
- Enterovirus (eg, Coxsackie virus)
- HIV
- West nile virus
- VZV
Treatment of meningitis :
Ceftriaxone and vancomycin
What’s the most common cause of meningitis after pentrating skull injure
S.aureus
What’s the most common cause of meningitis in adults of all ages ?
S. Pneumonia
In the CSF cell differential test of viral meningitis, which cells are predominance ?
Lymphocytes
In the CSF cell differential test of bacterial meningitis, which cells are predominance ?
polymorphonuclear leukocytes (PMN)
What’s the different between viral & bacterial meningitis depending on CSF glucose & protein ?
- viral meningitis: glucose levels are normal or slightly reduced —bacterial meningitis: glucose level <45 mg\dL
- viral menigitis : protein <150 mg\dL— bacterial menigitis: protein often > 250 mg\dL
Which type of cells increase in case of bacterial meningitis?
PMNs ( polymorphonuclear leukocytes : neutrophilis, basophils , eosinophils and mast cell )
* the predominance cell in bacteria meningitis : neutrophilis.
What’s the different between fungal and bacterial meningitis ?
In the type of the cell that present :
* fungal meningitis : increasing the lymphocytes
* bacterial meningitis: increasing the polymorphonuclear leukocytes
Treatment of meningiococcal meningitis:
- Ceftriaxone,
- Ciprofloxacin,
- Rifambin
- (+ ampicillin in case of neonate)
Prophylaxis of H-influnza meningitis :
Rifampin