Question 1
Question
Shigella bacteria are isolated from
Question 2
Question
Salmonellosis is associated with consumption of
Answer
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eggs
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homemade canned foods
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sweets
Question 3
Question
The average incubation period in Shigellosis is
Answer
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2 weeks
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3-4 days
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4-6 hours
Question 4
Question
The onset of cholera is typical with
Question 5
Question
Colienteritis affects most frequently
Answer
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young adults
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pre-school children
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infants
Question 6
Question
Specific for Shigellosis diarrhoea is
Answer
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large amount of watery stools + abdominal pain
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small volume, bloody and mucous stained stools + tenesmi
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large amount of watery ” rice water” type stools
Question 7
Question
The most frequent clinical form of Salmonellosis in infants is
Answer
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enterocolitis
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food poisoning
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gastritis
Question 8
Question
Shigellosis is likely to present with seizures and altered consciousness in
Question 9
Question
Antibiotic treatment of choice in cholera is
Question 10
Question
The most appropriate culture media for E. coli is
Answer
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Bordet-Gengou
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Endo, Levin, Gasner
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Loffler
Question 11
Question
Early dehydration, without fever and abdominal cramps are typical of
Answer
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shigellosis
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salmonellosis
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cholera
Question 12
Question
Vibrio cholere does not produce
Answer
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neurotoxin
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endotoxin
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enterotoxin (choleragen)
Question 13
Question
In patients with Salmonellosis, bacteremia
Question 14
Question
A 35 year old previously ill patient presents with acute fever, temperature up to 39°C, vomiting and frequent watery green stools inter mixed with small amount of mucus. He has had chicken neal 24 hours preceding the onset of the illness. He is admitted to the Clinics of Infectious disease in poor general condition, ones dehydrated, with RR- 80/40 mmHg, with abdominal pain - in the umbilical area, elevated, vacuous pulse cool extremities.
Laboratory findings: leucocytosis, neutrophilia, elevated erythrocyte sedimentation rate, elevated CRP, hypoalbuminemia, sub-compensated metabolic acidosis.
Which is the most likely etiological agent
Answer
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Staphylococci
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Enteroviruses
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Salmonella
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E coli (EPEC)
Question 15
Question
A 35 year old previously ill patient presents with acute fever, temperature up to 39°C, vomiting and frequent watery green stools inter mixed with small amount of mucus. He has had chicken neal 24 hours preceding the onset of the illness. He is admitted to the Clinics of Infectious disease in poor general condition, ones dehydrated, with RR- 80/40 mmHg, with abdominal pain - in the umbilical area, elevated, vacuous pulse cool extremities.
Laboratory findings: leucocytosis, neutrophilia, elevated erythrocyte sedimentation rate, elevated CRP, hypoalbuminemia, sub-compensated metabolic acidosis
What is the initial treatment
Question 16
Question
A 35 year old previously ill patient presents with acute fever, temperature up to 39°C, vomiting and frequent watery green stools inter mixed with small amount of mucus. He has had chicken neal 24 hours preceding the onset of the illness. He is admitted to the Clinics of Infectious disease in poor general condition, ones dehydrated, with RR- 80/40 mmHg, with abdominal pain - in the umbilical area, elevated, vacuous pulse cool extremities.
Laboratory findings: leucocytosis, neutrophilia, elevated erythrocyte sedimentation rate, elevated CRP, hypoalbuminemia, sub-compensated metabolic acidosis
Diagnostic work-up includes
Answer
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Fecal culture
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Colonoscopy
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ELISA
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PCR
Question 17
Question
The onset of cholera is usually with
Question 18
Question
The most frequent clinical form of salmonellosis in adults is
Answer
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sepsis
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cholecystitis
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gastroenteritis
Question 19
Question
Stools, dysenteric sputum” type are
Answer
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green coloured, with plenty of mucus intermixture
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watery stools, with bad odour
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small amount of feces, stained with blood, mucus and pus
Question 20
Question
The most important pathogenic factor in cholera is
Question 21
Question
European cholera variant is characterised of
Question 22
Question
Causative agent of HUS is
Answer
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entero haemorrhagic E coli (EHEC)
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entero invasive E coli (EIEC)
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entero pathogenic E coli (EPEC)
Question 23
Question
Which type of toxin is released on lysis of Salmonella bacteria
Answer
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endotoxin
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neurotoxin
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enterotoxin
Question 24
Question
The deficit of fluids in dehydration state is defined by
Question 25
Question
Low potassium level is suspected in a patient with
Question 26
Question
The incubation period in colienteritis is
Answer
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2 months
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3-7 days
-
4-6 hours
Question 27
Question
The most common abnormality of acid-base balance in diarrhoea is
Question 28
Question
32- year old healthy man became unwell one day after eating sandwiches with minced meat. The disease onset is abrupt with fever of 39.5 C, rigor, fatigue, repeated vomiting and watery diarrhea with green colored stools with mucus, but no blood. The patient is admitted to the infectious unit of the hospital. At the time of admission he is in poor general condition, pale, intoxicated with reduced skin turgor, oliguria, RR 80/40mmHg, and marked tachycardia, weak pulse, cool extremities and acrocyanosis.
The laboratory tests results show: mild leukocytosis with presence of bans, CRP- 16, elevated Hct, blood urea nitrogen- 16 mol/l, Na 130 mmol/L, decompensated metabolic acidosis.
Which is the most likely causative agent?
Answer
-
Salmonella species
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Rotaviruses
-
Shigella
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E.coli
Question 29
Question
32- year old healthy man became unwell one day after eating sandwiches with minced meat. The disease onset is abrupt with fever of 39.5 C, rigor, fatigue, repeated vomiting and watery diarrhea with green colored stools with mucus, but no blood. The patient is admitted to the infectious unit of the hospital. At the time of admission he is in poor general condition, pale, intoxicated with reduced skin turgor, oliguria, RR 80/40mmHg, and marked tachycardia, weak pulse, cool extremities and acrocyanosis.
The laboratory tests results show: mild leukocytosis with presence of bans, CRP- 16, elevated Hct, blood urea nitrogen- 16 mol/l, Na 130 mmol/L, decompensated metabolic acidosis.
Which is the degree of dehydration in the patient?
Answer
-
third degree
-
no signs of dehydration
-
second degree
-
first degree
Question 30
Question
32- year old healthy man became unwell one day after eating sandwiches with minced meat. The disease onset is abrupt with fever of 39.5 C, rigor, fatigue, repeated vomiting and watery diarrhea with green colored stools with mucus, but no blood. The patient is admitted to the infectious unit of the hospital. At the time of admission he is in poor general condition, pale, intoxicated with reduced skin turgor, oliguria, RR 80/40mmHg, and marked tachycardia, weak pulse, cool extremities and acrocyanosis.
The laboratory tests results show: mild leukocytosis with presence of bans, CRP- 16, elevated Hct, blood urea nitrogen- 16 mol/l, Na 130 mmol/L, decompensated metabolic acidosis.
What is the treatment of first choice?
Answer
-
antibiotic
-
antipyretic
-
anti-diarrheal agent
-
rehydration
Question 31
Question
Which of the following agents causes hemolytic-uremic syndrome
Question 32
Question
The stools in cholera resemble
Question 33
Question
The incubation period in Shigellosis is
Answer
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2 weeks
-
1-7 days
-
4-6 hours
Question 34
Question
Third degree dehydration is considered a fluid loss of
Answer
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< 5 % body weight loss
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< 10 % body weight loss
-
> 10% body weight loss
Question 35
Question
Four year old child has been unwell for 4 days. The symptoms include fever (37.5 - 39 C), fatigue, repeated vomiting, diarrhea with watery yellow-brawn stools with mucus, no urine production in the last 10-12 hours. The child has been treated with loperamide. On the day of the hospital admission, she is in poor general condition, intoxicated, with reduced skin turgor, cold extremities, and tachycardia.
Laboratory tests show mild anemia, leukocytosis with presence of immature cells, thrombocytopenia, slightly elevated bilirubin, elevated blood urea nitrogen and creatinine decompensated metabolic acidosis.
Which is the most likely causative agent?
Answer
-
Salmonella species
-
Rotaviruses
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Shigella
-
E.coli
Question 36
Question
Four year old child has been unwell for 4 days. The symptoms include fever (37.5 - 39 C), fatigue, repeated vomiting, diarrhea with watery yellow-brawn stools with mucus, no urine production in the last 10-12 hours. The child has been treated with loperamide. On the day of the hospital admission, she is in poor general condition, intoxicated, with reduced skin turgor, cold extremities, and tachycardia.
Laboratory tests show mild anemia, leukocytosis with presence of immature cells, thrombocytopenia, slightly elevated bilirubin, elevated blood urea nitrogen and creatinine decompensated metabolic acidosis.
Which is re degree of dehydration in the child?
Answer
-
third degree
-
no signs of dehydration
-
second degree
-
first degree
Question 37
Question
Four year old child has been unwell for 4 days. The symptoms include fever (37.5 - 39 C), fatigue, repeated vomiting, diarrhea with watery yellow-brawn stools with mucus, no urine production in the last 10-12 hours. The child has been treated with loperamide. On the day of the hospital admission, she is in poor general condition, intoxicated, with reduced skin turgor, cold extremities, and tachycardia.
Laboratory tests show mild anemia, leukocytosis with presence of immature cells, thrombocytopenia, slightly elevated bilirubin, elevated blood urea nitrogen and creatinine decompensated metabolic acidosis.
What is the treatment of first choice?
Answer
-
antibiotic
-
antipyretic
-
anti-diarrheal agent
-
rehydration
Question 38
Question
Four year old child has been unwell for 4 days. The symptoms include fever (37.5 - 39 C), fatigue, repeated vomiting, diarrhea with watery yellow-brawn stools with mucus, no urine production in the last 10-12 hours. The child has been treated with loperamide. On the day of the hospital admission, she is in poor general condition, intoxicated, with reduced skin turgor, cold extremities, and tachycardia.
Laboratory tests show mild anemia, leukocytosis with presence of immature cells, thrombocytopenia, slightly elevated bilirubin, elevated blood urea nitrogen and creatinine decompensated metabolic acidosis.
Which is the most likely diagnosis?