Question Detail

BIO 201 Objective Question
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Question

Rh incompatibility leading to Hemolytic Disease of the Newborn (HDN) typically occurs under which specific maternal-fetal condition?
Options
A An Rh-negative mother sensitized by a previous pregnancy carrying an Rh-positive fetus
Correct Answer
B An Rh-positive mother carrying an Rh-negative fetus during her first pregnancy
C An Rh-negative mother carrying an Rh-negative fetus
D An Rh-positive mother carrying an Rh-positive fetus
Correct Answer

Option A is the correct answer.

Detailed Explanation

HDN occurs when an Rh-negative mother, sensitized to the D antigen during a prior exposure, produces anti-Rh antibodies that cross the placenta to attack fetal Rh-positive red blood cells.

Hint

No hint available

Question Info

Course: BIO 201
Type: Objective
Difficulty: Not specified
Question 4 of 285
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