20433050
Descripción
Test por Med Student , actualizado hace más de 1 año
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Creado por Med Student
hace más de 4 años
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Pregunta 1
Pregunta
Viral hepatitis A (VHA) and E (VHE) are transmitted by
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fecal-oral mechanism
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by parenteral mechanism
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sexual mechanism
Pregunta 2
Pregunta
The median (most common) incubation period at VHA is
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30 days
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90 days
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45 days
Pregunta 3
Pregunta
A rash and syndrome of arthralgia in preicterical period of acute viral hepatitis is characteristic for
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Viral hepatitis B (VHB)
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VHA
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VHE
Pregunta 4
Pregunta
The most severe course with possible liver failure is seen in
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VHE
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Acute VHB + VHD (co)
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VHA
Pregunta 5
Pregunta
In risk of acute VHC are
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IDUs
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Newborns in poor sanitary conditions
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Travellers to tropical countries
Pregunta 6
Pregunta
The values of aminotransferases (ALT and AST) in acute viral hepatitis are
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100 to 300 U/I
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to 100 U/I
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> 1000 U/l
Pregunta 7
Pregunta
In acute viral hepatitis hyperbilirubinacmia has the following characteristics
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elevated are both fractions, but prevails the direct bilirubin
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increased are both fractions, but more is elevated indirect bilirubin
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the type of hyperbilirubinaemia has no diagnostic significance
Pregunta 8
Pregunta
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
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usual interval between exposure and clinical manifestations of acute hepatitis B is 1-3 weeks
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about 25% of adults infected with HBV, remain chronic carriers of HbsAg
Pregunta 9
Pregunta
Choose the correct answer for laboratory tests of liver function
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Prothrombin time and albumin reflects synthetic liver function
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AST is more specific than ALT as a marker of damage of the liver
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High LDH is specific to hepatocyte damage
Pregunta 10
Pregunta
Most early and secure evidence of acute VHC is possible by:
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ELISA for anti HCV
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PCR for the RNA of the hepatitis C virus
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RSC of specific antibodies
Pregunta 11
Pregunta
The most common symptoms In the preicteric period of acute viral hepatitis are
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fatigue, anorexia
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abdominal pain and vomiting
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fever and convulsions
Pregunta 12
Pregunta
The change in urine color (dark) and faeces (light) appears
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in incubation period
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in the end of the preicteric period
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in the reconvalescent period
Pregunta 13
Pregunta
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
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Flush with water without stopping bleeding
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Flush with water treated with a disinfectant
Pregunta 14
Pregunta
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
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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
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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
Pregunta 15
Pregunta
Existing flu-like syndrome in preicteric period is the most characteristic for:
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acute viral hepatitis A (VHA)
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acute viral hepatitis B (VHB)
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acute viral hepatitis C (VHC)
Pregunta 16
Pregunta
Most often becomes chronic
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VHA
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VHB
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VHC
Pregunta 17
Pregunta
The jaundice is seen early
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in the sclera
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in the skin
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on the palms
Pregunta 18
Pregunta
The presence of anti HBs in serum means
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Presence of immunity
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Acute VHB
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Has no diagnostic value
Pregunta 19
Pregunta
Hepatitis C virus is transmitted by
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parenteral, sexual, vertical (pregnant - Newborn)
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fecal-oral mechanism
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by arthropods (vectors)
Pregunta 20
Pregunta
Clinical indicators of impending hepatic coma do not include
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mood changes, behaviour and sleep inversion
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combinative thinking disorders and dyscalculia
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paresis and paralysis
Pregunta 21
Pregunta
Laboratory screening in acute viral hepatitis includes
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ALT, AST, urine
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ALP, GGT, amylase
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Leucocytes, PLT, CRP
Pregunta 22
Pregunta
Jaundice as clinical manifestations of acute VHC can be found in
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single patients
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naturally
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in the half of cases
Pregunta 23
Pregunta
Anti HBc IgM is a marker for
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hepatitis C virus infection
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hepatitis B virus infection
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an active hepatitis B virus infection
Pregunta 24
Pregunta
To prove the VHA is looking for
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viral antigens in fecal samples
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anti HAV IgM in serum
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HBsAg in serum
Pregunta 25
Pregunta
Serotogical markers of acute viral hepatitis B (VHB) are
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HBsAg + anti HbC IgM
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HBsAg + anti HbC IgG
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HBcAg + anti HBc
Pregunta 26
Pregunta
Clinical and laboratory indicators of threatening coma are
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reduced haemostatic factors, low fibrinogen
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leucopenia and high fibrinogen
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lymphocytosis and accelerated ESR
Pregunta 27
Pregunta
Frequently out of the VHA is a
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recovery
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chronic infection in 50%
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acute liver failure
Pregunta 28
Pregunta
The incubation period of the VHB is
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10-30 days
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40-180 days
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3-90 days
Pregunta 29
Pregunta
Anti HBc IgM area marker for
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hepatitis C virus infection
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hepatitis B virus infection
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an active hepatitis B virus infection
Pregunta 30
Pregunta
Clinical indicators of threatening hepatic coma NOT include
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mood changes, behavior and inversion of sleep
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dyscalculia
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muscle rigidity and convulsions
Pregunta 31
Pregunta
Minimum clinical laboratory investigations for suspected viral hepatitis
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urine (bile pigments). serum (ALT and AST bilirubin)
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blood test, electrolytes, acid-base metabolism
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abdominal ultrasound
Pregunta 32
Pregunta
The duration of the preicteric period in acute viral hepatitis is
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30 days
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7 days
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90 days
Pregunta 33
Pregunta
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
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the risk of fulminant liver failure is greater for infection with HCV than it is for HBV
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the chances of an adult becoming a chronic carrier are greater following infection with HBV
Pregunta 34
Pregunta
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
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Prothrombin time and albumin reflect hepatocyte synthetic function
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Lactate dehydrogenase elevation is highly specific for hepatocyte function
Pregunta 35
Pregunta
The primary mode of transmission of HCV is
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sexual
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faecal-oral
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intravenous drug (needles)
Pregunta 36
Pregunta
Which of the following viral causes of acute hepatitis is most likely to cause fulminant pregnant woman
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HCV
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HEV
Pregunta 37
Pregunta
Acute HCV hepatitis becomes chronic in
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50-80%
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<5%
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90%
Pregunta 38
Pregunta
Prodroms in acute viral hepatitis usually last
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30 days
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7 days
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2-3 months
Pregunta 39
Pregunta
The earliest laboratory confirmation test of acute hepatitis C is
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Anti HCV by ELISA
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HCV RNA by PCR
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HCVAg by ELISA
Pregunta 40
Pregunta
Which hepatitis is NOT vaccine-preventable
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hepatitis B
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hepatitis A
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hepatitis C
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