Меню
Тесты
Тесты  /  Внеурочка  /  Прочее  /  Mcqs for lecture

Mcqs for lecture

Avatar
29.09.2024. Тест. Внеурочка, Прочее
Внимание! Все тесты в этом разделе разработаны пользователями сайта для собственного использования. Администрация сайта не проверяет возможные ошибки, которые могут встретиться в тестах.
Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease.

Список вопросов теста

Вопрос 1

Onset of typhoid fever is usually gradual, with fever and which of the following additional symptoms occurring most often?            

Варианты ответов
  • arthralgia
  • blanching lesions(rose spots)
  • diarrhea
  • delirium
Вопрос 2

Botulism is poisoning that is due to Clostridium botulinum toxin. It is a rare, life-threatening medical emergency. C. botulinum elaborates 8 types of antigenically distinct neurotoxins. Of these neurotoxins, which of the following is the most potent toxin known

Варианты ответов
  • Type A
  • Type B
  • Type E
  • Type F/A hybrid
Вопрос 3

Disease started acutely with the complains of heavy watery diarrhea, vomiting, cramps in the lower extremities. Objectively: slow voice, shunken eyes, quick pulse, low blood pressure, decrease of urination, weak cardiac sounds. In liver and spleen no changes. Put the correct diagnosis.

Варианты ответов
  • Salmonellosis
  • Dysentery
  • Food poisoning
  • Cholera
Вопрос 4

Ingested E. coli O157:H7 produces high levels of toxins in the large intestine. These toxins are closely related to those produced by which of the following organisms?

 

Варианты ответов
  • Entamoeba histolytica
  • Clostridium difficile
  • Giardia lamblia
  • Shigella dysenteriae
Вопрос 5

3 patients were delivered with sympthoms of fever, diarrhea and vomiting. Stool is  dark-green, without any pathological changes. All patients together took part in the preparation of food and have used eggs, meat, salad. The most likely diagnosis.

Варианты ответов
  • a. Cholera
  • Botulism
  • Dysbacteriosis
  • Salmonellosis
Вопрос 6

.The rotavirus is an important cause of which of the following?
 

Варианты ответов
  • Respiratory infection in adults
  • Gastroenteritis in children
  • Diarrhoea and vomiting in adults
  • Cancer
Вопрос 7

Organism that is infected by pathogen is:

 

Варианты ответов
  • Host
  • Carrier
  • Reservoir
  • Vector
Вопрос 8

The generalized forms of Salmonellosis (non-typhoid)  include:

 

Варианты ответов
  • Meningitides
  • Dehydration
  • Typhoid, septicopyemia
  • Encephalitis
Вопрос 9

The rash in typhoid is characterized by:

Варианты ответов
  • Petechial, general on the upper and lower extremities
  • Vesiculare, diffuse on the face
  • Small red spots, unit on the abdomen and chest
  • Large-sized all over the body
Вопрос 10

Toxin of Clostridium botulinum  has selectively affects on:

 

Варианты ответов
  • Sensory neurons
  • motor neurons
  • Intercalated neurons
  • Central nervous system
Вопрос 11

The absolute indication for parenteral rehydration therapy is

Варианты ответов
  • dehydration of the 2nd degree;
  • diarrhea.
  • febrile temperature;
  • vomiting;
Вопрос 12
  1. Hand-foot-mouth disease is one of the more distinctive rash syndromes; it is  MOST frequently caused by

 

Варианты ответов
  • E. coxsackievirus B12
  • D. coxsackievirus B2
  • C. enterovirus 71
  • B. coxsackievirus A16
  • A. coxsackievirus A6
Вопрос 13

 

Hepatitis B – Serological Interpretation

A 32-year-old patient has the following results:
HBsAg +, HBeAg +, anti-HBc IgM +, anti-HBs –.
What is the most likely stage of infection?

Варианты ответов
  • A. Window period
  • B. Chronic infection, low infectivity
  • C. Acute highly infectious stage
  • D. Past infection with immunity
Вопрос 14

Hepatitis B + D Co-infection

A patient with acute hepatitis shows: HBsAg +, anti-HBc IgM +, anti-HDV IgM +.
Which of the following best describes this condition?

Варианты ответов
  • A. HDV superinfection in chronic HBV carrier
  • B. Simultaneous HBV + HDV co-infection
  • C. Chronic HDV infection only
  • D. Resolved HBV with past HDV exposure
Вопрос 15

A 28-year-old man’s screening test is ELISA positive for HIV antibodies, and confirmatory Western blot is positive for gp120 and gp41 bands.
What is the correct interpretation?
 

Варианты ответов
  • A. Indeterminate result, repeat after 3 months
  • B. Confirmed HIV-1 infection
  • C. Early seroconversion (window period)
  • D. False-positive screening test
Вопрос 16

A 40-year-old HIV-positive patient on ART shows:
CD4 count = 120 cells/µL, HIV RNA = 25 000 copies/mL.
What is the appropriate clinical action?
 

Варианты ответов
  • A. Continue same regimen, good viral suppression
  • B. Treatment failure → switch ART regimen
  • C. Stop ART temporarily
  • D. Add cotrimoxazole prophylaxis only
Вопрос 17

This infectious disease is contracted when people eat or drink water that is contaminated by the feces or urine of an infected person. There is a sudden onset of fever, a severe headache, nausea, anorexia, and a slow heart rate. It may also be accompanied by a hoarse cough and constipation or diarrhea. What is it?

 

Варианты ответов
  • a) Food poisoning
  • Dysentery
  • Typhoid fever
  • Salmonellosis
Вопрос 18

Disease started acutely with the complains of heavy watery diarrhea, vomiting, cramps in the lower extremities. Objectively: slow voice, shunken eyes, quick pulse, low blood pressure, decrease of urination, weak cardiac sounds. In liver and spleen no changes. Put the correct diagnosis.

 

Варианты ответов
  • Salmonellosis
  • Dysentery
  • Food poisoning
  • Cholera
Вопрос 19

Patient K., 30 y.o., a sensitiveness to the cold, nausea, vomits, pain in epigastria and around umbilicus. Vomits frequent. The temperature of body rarely rose to the high numbers. A skin is pale, dry. A tongue is covered by the white or grey cover. Pulse frequent, arterial pressure low. 2 hours prior to the origin of symptoms fed in a dining-room. What is the most possible diagnosis?

Варианты ответов
  • Cholera
  • Shigellosis
  • Toxic food-borne infection
  • Salmonellosis
Вопрос 20

A 25-year-old woman develops blurred vision, dysphagia, and descending flaccid paralysis 12 hours after eating home-canned mushrooms. She is afebrile.
Laboratory results:

  • CBC: normal

  • CSF: normal pressure, no pleocytosis

  • EMG: decreased compound muscle action potential amplitude, normal sensory response

  • Detection of botulinum toxin in serum: positive

What is the most likely diagnosis?

Варианты ответов
  • Myasthenia gravis
  • BGuillain–Barré syndrome
  • Foodborne botulism
  • Organophosphate poisoning
  • complication of shigella
Пройти тест
Сохранить у себя:

Комментарии 0

Чтобы добавить комментарий зарегистрируйтесь или на сайт