Microbiology
Today's Task:
Sources
Dr. Ahmed Essam
Lec. 2
Lec. 3
ΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩ
Dr. Hisham Essmat
Lec. 2 p1
Lec. 2 p2
Lec. 3
ΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩ
βͺPathology
Today's Task : Bone& Joint
Sources:
1οΈβ£Dr. Elnemr
- Lec. 3
2οΈβ£Dr. Eman
- Lec. 4
3οΈβ£Dr. Tarek
- Lec. 3
Today's Task:
HIV , Influenza Viruses and Corona Viruses
Sources
Dr. Ahmed Essam
Lec. 2
Lec. 3
ΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩ
Dr. Hisham Essmat
Lec. 2 p1
Lec. 2 p2
Lec. 3
ΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩΩ
βͺPathology
Today's Task : Bone& Joint
Sources:
1οΈβ£Dr. Elnemr
- Lec. 3
2οΈβ£Dr. Eman
- Lec. 4
3οΈβ£Dr. Tarek
- Lec. 3
π1
Forwarded from Pathology practical 196
Media is too big
VIEW IN TELEGRAM
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β€17
What is the primary mode of transmission of Staphylococcus aureus in healthcare settings?
Anonymous Quiz
23%
Aerosols
63%
Direct contact
11%
Fomites.
3%
Waterborne
Which of the following toxins is produced by Staphylococcus aureus and causes scalded skin syndrome?
Anonymous Quiz
12%
Toxic shock syndrome toxin
79%
Exfoliative toxin
3%
Enterotoxin
6%
Alpha-toxin
Which characteristic differentiates Staphylococcus epidermidis from Staphylococcus saprophyticus?
Anonymous Quiz
3%
Urease production
10%
Mannitol fermentation
52%
Novobiocin sensitivity
34%
Biofilm production
A common foodborne illness associated with rapid onset of vomiting and diarrhea is caused by which Staphylococcus aureus toxin?
Anonymous Quiz
3%
Exfoliative toxin
0%
Alpha-toxin
84%
Enterotoxin
13%
Toxic shock syndrome toxin
Which of the following pathogens is coagulase-positive?
Anonymous Quiz
85%
Staphylococcus aureus
6%
Staphylococcus epidermidis
3%
Staphylococcus saprophyticus
6%
Streptococcus pyogenes
Which streptococcal species is most commonly associated with dental caries?
Anonymous Quiz
63%
Streptococcus mutans
0%
Streptococcus pneumoniae
20%
Streptococcus agalactiae
17%
Streptococcus pyogenes
Which of the following is a common virulence factor for Streptococcus pyogenes that prevents phagocytosis?
Anonymous Quiz
13%
Coagulase
3%
Protein A
80%
M protein
3%
IgA protease
Which test is most useful in distinguishing Streptococcus pneumoniae from other alpha-hemolytic streptococci?
Anonymous Quiz
31%
Bacitracin sensitivity
62%
Optochin sensitivity
3%
Coagulase test
3%
Catalase test
What type of hemolysis is characteristic of Streptococcus agalactiae?
Anonymous Quiz
21%
Alpha hemolysis
64%
Beta hemolysis
7%
Gamma hemolysis
7%
None
Which of the following is a potential complication of untreated Streptococcus pyogenes pharyngitis?
Anonymous Quiz
14%
Pneumonia
62%
Acute glomerulonephritis.
7%
Bacterial meningitis
17%
Toxic shock syndrome
Neisseria gonorrhoeae is capable of infecting which of the following sites?
Anonymous Quiz
0%
Oropharynx
4%
Rectum
29%
Eyes
68%
All of the above
What is the best culture medium for isolating Neisseria gonorrhoeae?
Anonymous Quiz
0%
MacConkey agar
0%
Mannitol salt agar
63%
Thayer-Martin agar
37%
Chocolate agar
Which of the following is a key virulence factor of Neisseria gonorrhoeae that helps it evade the immune system?
Anonymous Quiz
64%
IgA protease
18%
Exotoxin
4%
Superantigen
14%
M protein
A characteristic feature of Neisseria meningitidis that contributes to its pathogenicity is:
Anonymous Quiz
7%
Lipooligosaccharide (LOS) endotoxin
17%
Capsule
14%
Pili
62%
All of the above
Which age group is at highest risk for meningococcal disease?
Anonymous Quiz
59%
Neonates
21%
Young adults
10%
Elderly
10%
Middle-aged adults
Which of the following organisms causes a "rice-water" diarrhea?
Anonymous Quiz
3%
Clostridium difficile
90%
Vibrio cholerae
3%
Escherichia coli
3%
Neisseria meningitidis
What is the primary route of transmission of Vibrio cholerae?
Anonymous Quiz
4%
Person-to-person contact
0%
Aerosol inhalation
92%
Contaminated water
4%
Direct inoculation through wounds.