Theresa and John are thrilled to learn they are to be parents for the first time. Theresa goes in for her routine prenatal check-up and finds that her blood type is O-negative, but John has Rh-positive blood, so there is a chance that their child will be Rh-positive. For the following questions, assume that the fetus is Rh-positive.When will Theresa first be exposed to Rh antigens? Be specific.When will she produce anti-Rh antibodies? Be specific.Will her first child be affected by anti-Rh antibodies? Why or why not?If Theresa isn’t given an immunoglobulin shot (RhoGAM), can she and John safely have a second child? Why or why not? (Include HDN in your explanation).What is RhoGAM? How does it prevent Hemolytic Disease of the Newborn (HDN)?

There are four blood groups in humans: A, B, AB, and O. Human red blood cells include antigens A and…

Answered: Theresa and John are thrilled to learn…

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Theresa and John are thrilled to learn they are to be parents for the first time. Theresa goes in for her routine prenatal check-up and finds that her blood type is O-negative, but John has Rh-positive blood, so there is a chance that their child will be Rh-positive. For the following questions, assume that the fetus is Rh-positive.
When will Theresa first be exposed to Rh antigens? Be specific.
When will she produce anti-Rh antibodies? Be specific.
Will her first child be affected by anti-Rh antibodies? Why or why not?
If Theresa isn’t given an immunoglobulin shot (RhoGAM), can she and John safely have a second child? Why or why not? (Include HDN in your explanation).
What is RhoGAM? How does it prevent Hemolytic Disease of the Newborn (HDN)?

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