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Ch. 18 - Immune Disorders
Bauman - Microbiology with Diseases by Taxonomy 6th Edition
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302당신이 사용하는 게 아니라요?교과서 변경
18장, 문제 3

Hemolytic disease of the newborn is caused by antibodies against which major blood group antigen?
a. MHC protein
b. MN antigen
c. ABO antigen
d. Rhesus antigen
e. Type II protein

검증된 단계별 안내
1
Understand that Hemolytic Disease of the Newborn (HDN) occurs when maternal antibodies target fetal red blood cell antigens, leading to hemolysis in the fetus or newborn.
Recall that the most common and clinically significant cause of HDN involves antibodies against the Rhesus (Rh) blood group system, specifically the D antigen.
Recognize that while ABO incompatibility can cause mild HDN, the classic and severe form is due to Rh incompatibility.
Eliminate options that are unrelated to red blood cell antigens involved in HDN, such as MHC proteins (immune system molecules), MN antigens (less commonly involved), and type II proteins (not relevant here).
Conclude that the major blood group antigen responsible for classic hemolytic disease of the newborn is the rhesus antigen.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
1m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Hemolytic Disease of the Newborn (HDN)

HDN is a condition where maternal antibodies attack fetal red blood cells, causing their destruction. This usually occurs when the mother is sensitized to fetal blood group antigens that she lacks, leading to immune-mediated hemolysis in the fetus or newborn.
추천 영상:
04:57
Communicable vs. Noncommunicable Diseases

Rhesus (Rh) Blood Group System

The Rh blood group system includes several antigens, with the D antigen being the most significant. If an Rh-negative mother carries an Rh-positive fetus, she can develop antibodies against the Rh D antigen, which can cross the placenta and cause HDN.
추천 영상:
03:37
Group Translocation

ABO Blood Group Antigens and Other Blood Group Systems

ABO antigens are common blood group markers but usually cause milder HDN. Other antigens like MN or MHC proteins are less commonly involved in HDN. Understanding the difference helps identify the primary cause of severe HDN cases.
추천 영상:
03:37
Group Translocation