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Infectious Diseases Test 2- 5th Year PMU

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Infectious Diseases Test 2- 5th Year PMU
Med Student
Quiz by Med Student , updated more than 1 year ago
Med Student
Created by Med Student almost 5 years ago
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Resource summary

Question 1

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

Question 2

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

Question 3

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

Question 4

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

Question 5

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

Question 6

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

Question 7

Question
In acute viral hepatitis hyperbilirubinacmia has the following characteristics
Answer
  • 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

Question 8

Question
Which of the following for hepatitis B is true
Answer
  • 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

Question 9

Question
Choose the correct answer for laboratory tests of liver function
Answer
  • 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

Question 10

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

Question 11

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

Question 12

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

Question 13

Question
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?
Answer
  • Flash with water AND QUICK stop bleeding
  • Flush with water without stopping bleeding
  • Flush with water treated with a disinfectant

Question 14

Question
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?
Answer
  • 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

Question 15

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

Question 16

Question
Most often becomes chronic
Answer
  • VHA
  • VHB
  • VHC

Question 17

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

Question 18

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

Question 19

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

Question 20

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

Question 21

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

Question 22

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

Question 23

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

Question 24

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

Question 25

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

Question 26

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

Question 27

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

Question 28

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

Question 29

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

Question 30

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

Question 31

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

Question 32

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

Question 33

Question
Which of the following statements regarding hepatitis viruses is true
Answer
  • 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

Question 34

Question
Choose the correct statement about laboratory studies available to test hepatic function
Answer
  • 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

Question 35

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

Question 36

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

Question 37

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

Question 38

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

Question 39

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

Question 40

Question
Which hepatitis is NOT vaccine-preventable
Answer
  • hepatitis B
  • hepatitis A
  • hepatitis C
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