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peer learning 8 W1 GIT

Total questions: 28

Worksheet time: 18mins

Name
Class
Date
1.

In material from a sick child for an acute intestinal infection, a bacteriologist found the causative agent of shigellosis. What morphological features are characteristic of the pathogen?

a)

Gram-positive movable rod.

b)

Forms a capsule on a nutrient medium.

c)

Forms a spore in the environment.

d)

Gram rods, which are arranged in a chain.

e)

Gram-negative motionless rod.

2.

The 29-year-old the patient was hospitalized at an infectious hospital with vomiting, severe diarrhea, tenesmus. The feces are discolored, with mucus lumps and impurities of blood. During a bacteriological study of a micro preparation made from a colony material grown on Ploskirev's medium, a bacteriologist found motionless gram-negative rods. The pathogen was partially fermented with lactose for 48 hours. Name the infectious agent.

a)

Vibrio eltor.

b)

Yersinia enterocolitica.

c)

Proteus penneri.

d)

Shigella sonnei.

e)

Salmonella enteriса.

3.

The patient was hospitalized in the hospital with a preliminary diagnosis of shigellosis. To confirm the diagnosis, the doctor sent the patient's feces to a bacteriological examination. What is the optimal diagnostic environment for a laboratory assistant to differentiate shigellosis pathogens from atypical shigella?

a)

The nutrient medium McCoy -Chapin1.

b)

The nutrient medium Ploskireva

c)

Synthetic medium with nicotinic acid.

d)

MPA.

4.

Among the group of tourists (27 people) who used to drink water from the lake, diarrhea occurred in 7 people in two days. What material should be sent to a bacteriology laboratory to determine the etiology of the disease?

a)

Blood of patients.

b)

Food.

c)

Urina

d)

Sputtering.

e)

Water and feces of patients.

5.

In material from a patient diagnosed with shigellosis, the bacteriologist identified shigella that produced exotoxin. What type of shigella is this characteristic?

a)

Shigella sonnei.

b)

Shigella flexneri.

c)

Shigella boydii.

d)

Shigella newcastle.

e)

Shigella dysenteriae.

6.

In a 4-year-old child, after drunk of raw milk, there were signs of impaired gastrointestinal function, namely: abdominal pain, frequent bowel movements, accompanied by spasmodic bowel pain. The feces had a mucous-blood texture. What type of agent is the pathogen that caused this infection?

a)

Escherichia.

b)

Shigella.

c)

Clostridium.

d)

Staphylococcus.

e)

Salmonella.

7.

One danger is that vomiting, along with diarrhea, symptom of salmonella poisoning, can cause

a)

anemia

b)

severe dehydration

c)

mental disorder

d)

pneumonia

8.

What does the strain E. coli 0157 do to the body?

a)

A. It harms the lungs

b)

B. It harms the heart

c)

C. It harms the intestines and in some cases the kidneys

d)

D. It harms the eyes

9.

Enteroinvasive E. coli (EIEC) are nonmotile, non-lactose, or late lactose fermenters which are predominantly found in developing countries infecting children and travelers. Which of the following infection is similar to EIEC infection?


a)

a) Amoebic dysentery

b)

b) Shigellosis

c)

c) Traveler’s diarrhea

d)

d) Enteric fever

10.

1. Escherichia coli is one of the major enteric bacteria that causes diarrhea and is characterized according to its virulence properties. All are the types of E. coli, EXCEPT?

a)

a) Enterohemorrhagic E. coli

b)

b) Enteropathogenic E. coli

c)

c) Enterotoxigenic E. coli

d)

d) Enterolysogenic E. coli

11.

Enterobacteriaceae expresses a variety of virulent antigens, all of the following are the antigens, EXCEPT?

a)

K and Vi antigen

b)

O antigen

c)

D antigen

d)

H antigen

12.

3. S. enteritidis and S. typhimurium causes enterocolitis and gastroenteritis in humans. What is the most common food for the transmission of this infection?

a)

Fruits and vegetables

b)

Poultry and eggs

c)

Canned beans

d)

Yogurt

13.

3. The biochemical test used to identify and determine the ability of bacteria to convert tryptophan is?

a)

a) Indole test

b)

b) MRVP test

c)

c) TSI test

d)

d) Citrate test

14.

A 7-year-old boy has cholera (vomiting, profuse diarrhea). During the study of the feces of the patient on the environment of Endo grew the same colonies of crimson color, with a metallic luster. Which microorganism is the most likely pathogen?

a)

Enterotoxigenic Escherichia coli.

b)

Salmonella enteritis.

c)

Yersinia enterocolitica.

d)

Shigella sonnei.

15.

The hospital was hospitalized with complaints of general weakness, diarrhea with blood admixtures, and pain in the kidney area. Body temperature is within normal limits. No leukocytes were found during colposcopy. Please indicate which microorganism can cause these symptoms of the disease?

a)

Enterohemorrhagic Escherichia coli.

b)

Enteropathogenic E. coli.

c)

Enterotoxigenic E. coli.

d)

Enteroinvasive E. coli.

e)

Enteroadhesive E. coli.

16.

For the genus Shigella

stable is:

a)

lack of mobility;

b)

mannitol fermentation;

c)

lack of allocation

hydrogen sulfide.

17.

Typhoid is also known as __________

a)

Paratyphoid fever

b)

Enteric fever

c)

Pneumonia fever

d)

Hepatic fever

18.

The causative agent of Typhoid is

a)

Salmonella typhii

b)

Ecoli

c)

All groups of bacteria

d)

Shigella

19.

In typhoid, Widal test detects

a)

O antigen

b)

H antigen

c)

Vi antigen

d)

Both O and H antigen

20.

Which among the following is the "H" antigen?

a)

Somatic antigen

b)

Flagella antigen

c)

S. Paratyphi A (H) antigen

d)

S. Paratyphi B (H) antigen

21.

If a patients blood shows positive to Salmonella paratyphi A (H) ,B (H), then which of the following interpretation is true?

a)

Recent acute infection

b)

Old chronic infection

c)

Career can infect others

d)

Career cannot infect others

22.

Ulcerative colitis is usually found in the

a)

Rectosigmoid colon

b)

Anywhere in the colon

c)

Never in the rectum

d)

Transverse colon

23.

Fistulas and accesses are common with?

a)

Ulcerative colitis

b)

Crohn's disease

c)

Neither

d)

Both

24.

This procedure is also known as "lower GI" and involves a radioactive liquid being injected through the rectum allowing for x-rays can be taken to look for abnormalities in the large intestine.

a)

Barium enema

b)

Gastrointestinal endoscopy

c)

Colonoscopy

d)

Gastroenterologist

25.

Which of the following describes a number of symptoms occurring together and characterizing a specific disease?

a)

Disease

b)

Illness

c)

Syndrome

d)

Disorder

26.

Elek's gel precipitation test uses:

a)

sheep blood agar

b)

human serum

c)

horse blood agar

d)

horse serum agar

27.

Which is true about Corynebacterium?

a)

Urea test positive

b)

Hydrolysis of gelation

c)

Hydrogen sulfide positive

d)

Lactose fermenter

28.

_____is a prokaryotic microorganisms.

a)

Virus

b)

Algae

c)

Fungi

d)

Bacteria