Infectious Diseases Test 2- 5th Year PMU

Descrição

Infectious Diseases Test 2- 5th Year PMU
Med Student
Quiz por Med Student , atualizado more than 1 year ago
Med Student
Criado por Med Student quase 5 anos atrás
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9

Resumo de Recurso

Questão 1

Questão
Viral hepatitis A (VHA) and E (VHE) are transmitted by
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  • fecal-oral mechanism
  • by parenteral mechanism
  • sexual mechanism

Questão 2

Questão
The median (most common) incubation period at VHA is
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  • 30 days
  • 90 days
  • 45 days

Questão 3

Questão
A rash and syndrome of arthralgia in preicterical period of acute viral hepatitis is characteristic for
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  • Viral hepatitis B (VHB)
  • VHA
  • VHE

Questão 4

Questão
The most severe course with possible liver failure is seen in
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  • VHE
  • Acute VHB + VHD (co)
  • VHA

Questão 5

Questão
In risk of acute VHC are
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  • IDUs
  • Newborns in poor sanitary conditions
  • Travellers to tropical countries

Questão 6

Questão
The values of aminotransferases (ALT and AST) in acute viral hepatitis are
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  • 100 to 300 U/I
  • to 100 U/I
  • > 1000 U/l

Questão 7

Questão
In acute viral hepatitis hyperbilirubinacmia has the following characteristics
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  • elevated are both fractions, but prevails the direct bilirubin
  • increased are both fractions, but more is elevated indirect bilirubin
  • the type of hyperbilirubinaemia has no diagnostic significance

Questão 8

Questão
Which of the following for hepatitis B is true
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  • the greater is the frequency of HBV infection among men who have sex with men and sex workers
  • usual interval between exposure and clinical manifestations of acute hepatitis B is 1-3 weeks
  • about 25% of adults infected with HBV, remain chronic carriers of HbsAg

Questão 9

Questão
Choose the correct answer for laboratory tests of liver function
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  • Prothrombin time and albumin reflects synthetic liver function
  • AST is more specific than ALT as a marker of damage of the liver
  • High LDH is specific to hepatocyte damage

Questão 10

Questão
Most early and secure evidence of acute VHC is possible by:
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  • ELISA for anti HCV
  • PCR for the RNA of the hepatitis C virus
  • RSC of specific antibodies

Questão 11

Questão
The most common symptoms In the preicteric period of acute viral hepatitis are
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  • fatigue, anorexia
  • abdominal pain and vomiting
  • fever and convulsions

Questão 12

Questão
The change in urine color (dark) and faeces (light) appears
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  • in incubation period
  • in the end of the preicteric period
  • in the reconvalescent period

Questão 13

Questão
23 year old intravenous drug user, HIV-positive, on HART (antiretroviral) treatment as hospitalised in infectious department with jaundice. When taking blood for blood chemistries and hepatic markers, despite of the use of gloves nurse pricks herself with needles before disposing, together with a syringe, What's the first thing she should do?
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  • Flash with water AND QUICK stop bleeding
  • Flush with water without stopping bleeding
  • Flush with water treated with a disinfectant

Questão 14

Questão
The results of tests made before 2 months, provided by patient are: CD4 - 451μ/L, (N 500-1300 μ/L), HIV PCR - (-). The results of blood received after 2 days are following Anti HAV IgM (+). HBsAg (-), anti HCV (+), HCV PCR (-). What is the risk to the nurse and what should be done?
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  • The patient has acute hepatitis A, without much risk, controlled HIF infection, no risk of transmission
  • The patient has acute hepatitis A. without much risk. controlled HIF infection but the nurse held a 28-day course with HART, insignificant risk of hepatitis C
  • The patient has acute hepatitis A, without much risk, controlled HIF infection but the nurse held a 28-day course with HART, nevertheless monitoring tor HCV and HIF in the next six months

Questão 15

Questão
Existing flu-like syndrome in preicteric period is the most characteristic for:
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  • acute viral hepatitis A (VHA)
  • acute viral hepatitis B (VHB)
  • acute viral hepatitis C (VHC)

Questão 16

Questão
Most often becomes chronic
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  • VHA
  • VHB
  • VHC

Questão 17

Questão
The jaundice is seen early
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  • in the sclera
  • in the skin
  • on the palms

Questão 18

Questão
The presence of anti HBs in serum means
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  • Presence of immunity
  • Acute VHB
  • Has no diagnostic value

Questão 19

Questão
Hepatitis C virus is transmitted by
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  • parenteral, sexual, vertical (pregnant - Newborn)
  • fecal-oral mechanism
  • by arthropods (vectors)

Questão 20

Questão
Clinical indicators of impending hepatic coma do not include
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  • mood changes, behaviour and sleep inversion
  • combinative thinking disorders and dyscalculia
  • paresis and paralysis

Questão 21

Questão
Laboratory screening in acute viral hepatitis includes
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  • ALT, AST, urine
  • ALP, GGT, amylase
  • Leucocytes, PLT, CRP

Questão 22

Questão
Jaundice as clinical manifestations of acute VHC can be found in
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  • single patients
  • naturally
  • in the half of cases

Questão 23

Questão
Anti HBc IgM is a marker for
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  • hepatitis C virus infection
  • hepatitis B virus infection
  • an active hepatitis B virus infection

Questão 24

Questão
To prove the VHA is looking for
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  • viral antigens in fecal samples
  • anti HAV IgM in serum
  • HBsAg in serum

Questão 25

Questão
Serotogical markers of acute viral hepatitis B (VHB) are
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  • HBsAg + anti HbC IgM
  • HBsAg + anti HbC IgG
  • HBcAg + anti HBc

Questão 26

Questão
Clinical and laboratory indicators of threatening coma are
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  • reduced haemostatic factors, low fibrinogen
  • leucopenia and high fibrinogen
  • lymphocytosis and accelerated ESR

Questão 27

Questão
Frequently out of the VHA is a
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  • recovery
  • chronic infection in 50%
  • acute liver failure

Questão 28

Questão
The incubation period of the VHB is
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  • 10-30 days
  • 40-180 days
  • 3-90 days

Questão 29

Questão
Anti HBc IgM area marker for
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  • hepatitis C virus infection
  • hepatitis B virus infection
  • an active hepatitis B virus infection

Questão 30

Questão
Clinical indicators of threatening hepatic coma NOT include
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  • mood changes, behavior and inversion of sleep
  • dyscalculia
  • muscle rigidity and convulsions

Questão 31

Questão
Minimum clinical laboratory investigations for suspected viral hepatitis
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  • urine (bile pigments). serum (ALT and AST bilirubin)
  • blood test, electrolytes, acid-base metabolism
  • abdominal ultrasound

Questão 32

Questão
The duration of the preicteric period in acute viral hepatitis is
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  • 30 days
  • 7 days
  • 90 days

Questão 33

Questão
Which of the following statements regarding hepatitis viruses is true
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  • risk of transmission of HBV from mother to baby is greater than that of HCV
  • the risk of fulminant liver failure is greater for infection with HCV than it is for HBV
  • the chances of an adult becoming a chronic carrier are greater following infection with HBV

Questão 34

Questão
Choose the correct statement about laboratory studies available to test hepatic function
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  • AST is more specific than ALT as marker of hepatocyte injury
  • Prothrombin time and albumin reflect hepatocyte synthetic function
  • Lactate dehydrogenase elevation is highly specific for hepatocyte function

Questão 35

Questão
The primary mode of transmission of HCV is
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  • sexual
  • faecal-oral
  • intravenous drug (needles)

Questão 36

Questão
Which of the following viral causes of acute hepatitis is most likely to cause fulminant pregnant woman
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  • HCV
  • HEV

Questão 37

Questão
Acute HCV hepatitis becomes chronic in
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  • 50-80%
  • <5%
  • 90%

Questão 38

Questão
Prodroms in acute viral hepatitis usually last
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  • 30 days
  • 7 days
  • 2-3 months

Questão 39

Questão
The earliest laboratory confirmation test of acute hepatitis C is
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  • Anti HCV by ELISA
  • HCV RNA by PCR
  • HCVAg by ELISA

Questão 40

Questão
Which hepatitis is NOT vaccine-preventable
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  • hepatitis B
  • hepatitis A
  • hepatitis C

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