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the diseases with diarrhoea syndrome

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Infectious Diseases Test 1- 5th Year- PMU

Pregunta 1 de 39

1

The most frequent clinical form of Salmonellosis in adults is

Selecciona una de las siguientes respuestas posibles:

  • Sepsis

  • Cholecystitis acuta

  • Gastroenteritis acuta

Explicación

Pregunta 2 de 39

1

Shigella bacteria are isolated from

Selecciona una de las siguientes respuestas posibles:

  • urine

  • faeces

  • sputum

Explicación

Pregunta 3 de 39

1

Salmonellosis is associated with consumption of

Selecciona una de las siguientes respuestas posibles:

  • eggs

  • homemade canned foods

  • sweets

Explicación

Pregunta 4 de 39

1

The average incubation period in Shigellosis is

Selecciona una de las siguientes respuestas posibles:

  • 2 weeks

  • 3-4 days

  • 4-6 hours

Explicación

Pregunta 5 de 39

1

The onset of cholera is typical with

Selecciona una de las siguientes respuestas posibles:

  • high temperature and fever

  • diarrhoea "rice water” type

  • repeated vomiting

Explicación

Pregunta 6 de 39

1

Colienteritis affects most frequently

Selecciona una de las siguientes respuestas posibles:

  • young adults

  • pre-school children

  • infants

Explicación

Pregunta 7 de 39

1

Specific for Shigellosis diarrhoea is

Selecciona una de las siguientes respuestas posibles:

  • large amount of watery stools + abdominal pain

  • small volume, bloody and mucous stained stools + tenesmi

  • large amount of watery ” rice water” type stools

Explicación

Pregunta 8 de 39

1

The most frequent clinical form of Salmonellosis in infants is

Selecciona una de las siguientes respuestas posibles:

  • enterocolitis

  • food poisoning

  • gastritis

Explicación

Pregunta 9 de 39

1

Shigellosis is likely to present with seizures and altered consciousness in

Selecciona una de las siguientes respuestas posibles:

  • the elderly

  • in early childhood (children under 3 years of age)

  • such onset is unlikely

Explicación

Pregunta 10 de 39

1

Antibiotic treatment of choice in cholera is

Selecciona una de las siguientes respuestas posibles:

  • Penicillin

  • 3% generation cephalosporin

  • Tetracyclin

Explicación

Pregunta 11 de 39

1

The most appropriate culture media for E. coli is

Selecciona una de las siguientes respuestas posibles:

  • Bordet-Gengou

  • Endo, Levin, Gasner

  • Loffler

Explicación

Pregunta 12 de 39

1

Early dehydration, without fever and abdominal cramps are typical of

Selecciona una de las siguientes respuestas posibles:

  • shigellosis

  • salmonellosis

  • cholera

Explicación

Pregunta 13 de 39

1

Vibrio cholere does not produce

Selecciona una de las siguientes respuestas posibles:

  • neurotoxin

  • endotoxin

  • enterotoxin (choleragen)

Explicación

Pregunta 14 de 39

1

In patients with Salmonellosis, bacteremia

Selecciona una de las siguientes respuestas posibles:

  • never occurs

  • is frequent, but transient and insignificant in immuno-competent

  • is very rare

Explicación

Pregunta 15 de 39

1

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

Selecciona una de las siguientes respuestas posibles:

  • Staphylococci

  • Enteroviruses

  • Salmonella

  • E coli (EPEC)

Explicación

Pregunta 16 de 39

1

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

Selecciona una de las siguientes respuestas posibles:

  • rehydration

  • anti-emetics and anti-spasmodic

  • antibiotics

Explicación

Pregunta 17 de 39

1

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

Selecciona una de las siguientes respuestas posibles:

  • Fecal culture

  • Colonoscopy

  • ELISA

  • PCR

Explicación

Pregunta 18 de 39

1

The onset of cholera is usually with

Selecciona una de las siguientes respuestas posibles:

  • fever and chills

  • diarrhoea “ rice water" type

  • repeated vomiting

Explicación

Pregunta 19 de 39

1

The most frequent clinical form of salmonellosis in adults is

Selecciona una de las siguientes respuestas posibles:

  • sepsis

  • cholecystitis

  • gastroenteritis

Explicación

Pregunta 20 de 39

1

Stools, dysenteric sputum” type are

Selecciona una de las siguientes respuestas posibles:

  • green coloured, with plenty of mucus intermixture

  • watery stools, with bad odour

  • small amount of feces, stained with blood, mucus and pus

Explicación

Pregunta 21 de 39

1

The most important pathogenic factor in cholera is

Selecciona una de las siguientes respuestas posibles:

  • the direct cytotoxic effect of Vibrio cholerae

  • choleragen effect

  • hematogenous spread of Vibrio cholerae

Explicación

Pregunta 22 de 39

1

European cholera variant is characterised of

Selecciona una de las siguientes respuestas posibles:

  • very severe course with rapid dehydration

  • high mortality rate

  • less severe course with moderate dehydration

Explicación

Pregunta 23 de 39

1

Causative agent of HUS is

Selecciona una de las siguientes respuestas posibles:

  • entero haemorrhagic E coli (EHEC)

  • entero invasive E coli (EIEC)

  • entero pathogenic E coli (EPEC)

Explicación

Pregunta 24 de 39

1

Which type of toxin is released on lysis of Salmonella bacteria

Selecciona una o más de las siguientes respuestas posibles:

  • endotoxin

  • neurotoxin

  • enterotoxin

Explicación

Pregunta 25 de 39

1

The deficit of fluids in dehydration state is defined by

Selecciona una de las siguientes respuestas posibles:

  • difference between actual body weight and body weight before the illness

  • measurement of RR

  • measurement of pulse rate

Explicación

Pregunta 26 de 39

1

Low potassium level is suspected in a patient with

Selecciona una de las siguientes respuestas posibles:

  • increased intestinal motility and spastic colon

  • intestinal paresis and distended abdomen

  • generalized seizures

Explicación

Pregunta 27 de 39

1

The incubation period in colienteritis is

Selecciona una de las siguientes respuestas posibles:

  • 2 months

  • 3-7 days

  • 4-6 hours

Explicación

Pregunta 28 de 39

1

The most common abnormality of acid-base balance in diarrhoea is

Selecciona una de las siguientes respuestas posibles:

  • metabolic acidosis

  • metabolic acidosis plus respiratory alkalosis

  • metabolic alkalosis

Explicación

Pregunta 29 de 39

1

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?

Selecciona una de las siguientes respuestas posibles:

  • Salmonella species

  • Rotaviruses

  • Shigella

  • E.coli

Explicación

Pregunta 30 de 39

1

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?

Selecciona una de las siguientes respuestas posibles:

  • third degree

  • no signs of dehydration

  • second degree

  • first degree

Explicación

Pregunta 31 de 39

1

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?

Selecciona una de las siguientes respuestas posibles:

  • antibiotic

  • antipyretic

  • anti-diarrheal agent

  • rehydration

Explicación

Pregunta 32 de 39

1

Which of the following agents causes hemolytic-uremic syndrome

Selecciona una de las siguientes respuestas posibles:

  • enterohemorrhagic E. coli

  • enteroinvasive E. coli

  • pathogenic E. coli

Explicación

Pregunta 33 de 39

1

The stools in cholera resemble

Selecciona una de las siguientes respuestas posibles:

  • rice water

  • sputum with mucus blood and pus

  • raspberry jelly

Explicación

Pregunta 34 de 39

1

The incubation period in Shigellosis is

Selecciona una de las siguientes respuestas posibles:

  • 2 weeks

  • 1-7 days

  • 4-6 hours

Explicación

Pregunta 35 de 39

1

Third degree dehydration is considered a fluid loss of

Selecciona una de las siguientes respuestas posibles:

  • < 5 % body weight loss

  • < 10 % body weight loss

  • > 10% body weight loss

Explicación

Pregunta 36 de 39

1

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?

Selecciona una de las siguientes respuestas posibles:

  • Salmonella species

  • Rotaviruses

  • Shigella

  • E.coli

Explicación

Pregunta 37 de 39

1

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?

Selecciona una de las siguientes respuestas posibles:

  • third degree

  • no signs of dehydration

  • second degree

  • first degree

Explicación

Pregunta 38 de 39

1

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?

Selecciona una de las siguientes respuestas posibles:

  • antibiotic

  • antipyretic

  • anti-diarrheal agent

  • rehydration

Explicación

Pregunta 39 de 39

1

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?

Selecciona una de las siguientes respuestas posibles:

  • salmonella sepsis

  • hemolytic-uremic syndrome

  • acute glomerulonephritis

Explicación