Infectious Diseases Test 2- 5th Year PMU

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Infectious Diseases Test 2- 5th Year PMU
Med Student
Test por Med Student , actualizado hace más de 1 año
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Creado por Med Student hace casi 5 años
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Resumen del Recurso

Pregunta 1

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

Pregunta 2

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

Pregunta 3

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

Pregunta 4

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

Pregunta 5

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

Pregunta 6

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

Pregunta 7

Pregunta
In acute viral hepatitis hyperbilirubinacmia has the following characteristics
Respuesta
  • 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

Pregunta 8

Pregunta
Which of the following for hepatitis B is true
Respuesta
  • 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

Pregunta 9

Pregunta
Choose the correct answer for laboratory tests of liver function
Respuesta
  • 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

Pregunta 10

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

Pregunta 11

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

Pregunta 12

Pregunta
The change in urine color (dark) and faeces (light) appears
Respuesta
  • in incubation period
  • in the end of the preicteric period
  • 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?
Respuesta
  • Flash with water AND QUICK stop bleeding
  • Flush with water without stopping bleeding
  • 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?
Respuesta
  • 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

Pregunta 15

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

Pregunta 16

Pregunta
Most often becomes chronic
Respuesta
  • VHA
  • VHB
  • VHC

Pregunta 17

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

Pregunta 18

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

Pregunta 19

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

Pregunta 20

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

Pregunta 21

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

Pregunta 22

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

Pregunta 23

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

Pregunta 24

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

Pregunta 25

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

Pregunta 26

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

Pregunta 27

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

Pregunta 28

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

Pregunta 29

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

Pregunta 30

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

Pregunta 31

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

Pregunta 32

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

Pregunta 33

Pregunta
Which of the following statements regarding hepatitis viruses is true
Respuesta
  • 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

Pregunta 34

Pregunta
Choose the correct statement about laboratory studies available to test hepatic function
Respuesta
  • 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

Pregunta 35

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

Pregunta 36

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

Pregunta 37

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

Pregunta 38

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

Pregunta 39

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

Pregunta 40

Pregunta
Which hepatitis is NOT vaccine-preventable
Respuesta
  • hepatitis B
  • hepatitis A
  • hepatitis C
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