Question

49. Interpret the following EBV-specific antibody results:

IgM anti-VCA

Negative

IgG anti-VCA

Positive

Anti-EA

Positive

Anti-EBNA

Positive

50. What is the major target of EBV?

51. When is the cold agglutinin titer increased?

52. What reagents and specimens are required for a cold agglutinin titer?

53. A newly hired third shift phlebotomist drew a specimen for a cold agglutinin and placed the uncentrifuged tube of blood in the refrigerator overnight. How would this affect the results of the test?

54. Interpret the following results of a cold agglutinin titer:

i. Undiluted ​negative

ii. 1:2​​negative

iii. 1:4​​1+

iiii. 1:8​​2+

v. 1:16​​2+

vi. 1:32​​1+

55. Which types of hepatitis are transmitted by blood?

56. Which types of hepatitis are transmitted by the fecal-oral route?

57. What is the significance of the presence of IgM anti-HAV.

58. A patient is positive for anti-HAV total and negative for anti-HAV IgM. What do these results indicate?

59. Which test should be included in a panel for the diagnosis of acute hepatitis B?

60. Which is the first serologic marker to appear in the blood with hepatitis B?

Answer 1

50.it targets immune system and weakens it.

51.when the virus attack ur RBC.

52.Blood tests will be done and reagents are antibodies.

55. Hepatitis B

56.Hepatitis E

57.it is indicative of past r present infection with hepatitis A

59.blood test

60.HBsAg