Forwarded from Quiz-UOBCOM95 (Ayaa Mohammed)
A young child with sore throat, and runny nose. The diagnosis is a common cold. Later, the child suffers from severe acute respiratory symptoms. The probable causative agent is?
Anonymous Quiz
64%
Coronavirus
22%
Rhinovirus
10%
Influenza virus
2%
Mumps virus
3%
None of the above
Forwarded from Quiz-UOBCOM95 (Aisha A.)
A 2-week-old infant patient diagnosed as neonatal sepsis, blood culture grew beta hemolytic gram-positive cocci in chains. Most likely organism responsible is:-
Anonymous Quiz
4%
Neisseria gonorrhoeae
2%
Listeria monocytogenes
4%
Escherichia coli
91%
Streptococcus agalactiae
Forwarded from Quiz-UOBCOM95 (Aisha A.)
What causative agent is most likely responsible for edema, hematuria, proteinuria in a patient who had impetigo 3 weeks ago?
Anonymous Quiz
3%
Pseudomonas aeruginosa
7%
Staphylococcus aureus
5%
Staphylococcus epidermidis
78%
Streptococcus pyogenes
6%
Streptococcus agalactiae
Forwarded from Quiz-UOBCOM95 (Aisha A.)
A 45-year-old man sustained a skull fracture in an automobile accident. The following day,he noted clear fluid dripping from his nose, but he did not notify the hospital personnel. The following day he spiked a fever to 39°C and complained of a severe headache. Nuchal rigidity was found on physical examination. Spinal fluid analysis revealed 5200 WBC/L, 90% of which were neutrophils. Gram stain showed gram-positive diplococci.
Forwarded from Quiz-UOBCOM95 (Aisha A.)
What was the most likely causal agent ⬆️
Anonymous Quiz
2%
Serratia marcescens.
3%
Pseudomonas aeruginosa.
5%
Staphylococcus aureus.
79%
Streptococcus pneumoniae.
11%
Streptococcus viridans
Forwarded from Quiz-UOBCOM95 (Aisha A.)
young age Patient infected with invasive "flesh-eating bacteria that spread rapidly through the tissues. This necrotizing fasciitis is usually caused by:
Anonymous Quiz
83%
Group A Streptococci
5%
Bacillus cereus
2%
Micrococcus
10%
S aureus
Forwarded from Quiz-UOBCOM95 (Aisha A.)
A 65-year-old man develops pneumonia. The organisms isolated from the sputum are aram-positive cocci that are alpha hemolytic on blood agar and sensitive to optochin. Which structure of the causal agent provides protection against phagocytosis:
Anonymous Quiz
27%
M protein
4%
Coagulase
67%
Capsule
2%
Catalase
Forwarded from Quiz-UOBCOM95 (Aisha A.)
An18 year old student is X diagnosed as having Bacterial endocardititis 10 days afterwisdom tooth extraction He has a congenital heart disease(ventricular septal defect VSD)that has been under control. Which the most likely organism causing the infection?
Anonymous Quiz
4%
Staphylococcus aureus
2%
Staphylococcus epidermidis
8%
Streptococcus pneumoniae
83%
Streptococcus viridians
3%
Enterococcus faecalis
Forwarded from Quiz-UOBCOM95 (Aisha A.)
a 55 year old woman had her X rheumatic heart valve replaced with a prosthetic valve. Six blood cultures became positive after 3 days of incubation. An optochin- resistance, catalase negative Gram positive cocci that was alpha hemolytic was isolated.
Forwarded from Quiz-UOBCOM95 (Aisha A.)
what was the most likely causal agent: ⬆️
Anonymous Quiz
73%
streptococcus viridans
3%
Pseudomonas aeruginosa
2%
seraa marcscens
3%
staphylococcus aureus
19%
streptococcus pneumoniae
Forwarded from Quiz-UOBCOM95 (Aisha A.)
Group A- beta hemolytic cocci were isolated from blood culture of a 7 year old boy who presented with shaking chills and fever, an abnormal heart murmur was heard during heartauscultation.
Forwarded from Quiz-UOBCOM95 (Aisha A.)
Which bacterial antigen is responsible for Attachment & interferes with hostimmune response leading to heart valve damage?⬆️
Anonymous Quiz
4%
Peptidases
10%
Streptokinases
62%
M proteins
16%
Pyrogenic toxins
9%
Streptolysins