Why Is the Rh-Positive Firstborn of an Rh-Negative Mother Unaffected

question 40

Multiple Choice

Why is the Rh-positive firstborn of an Rh-negative mother unaffected by Rh hemolytic disease of the fetus and newborn (Rh HDFN) ?

• A) The plasma volume of the mother is tripled during the first pregnancy which dilutes anti-D.
• B) The titer of anti-D is too low to cause destruction of fetal antigens.
• C) The mother has not been immunized to the D antigen before placental separation.
• D) None of the above

---

Definitions:

Easement Dispute

A legal conflict between property owners about the rights to use or access property owned by someone else.

Copyright Protection

Legal rights granted to creators and authors over their original works, preventing unauthorized reproduction or use for a limited time.

Fair Use

A legal doctrine allowing limited use of copyrighted material without needing permission, typically for purposes such as criticism, comment, news reporting, or research.

Double-Declining-Balance

A method of accelerated depreciation where an asset's value decreases at double the rate of traditional straight-line depreciation.