Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 7: Problem 3

Hemolytic di sease of the newborn is a risk during a subsequent pregnancy in which ___________. a. a type AB mother is carrying a type \(\mathrm{O}\) fetus b. a type \(O\) mother is carrying a type \(A B\) fetus c. an \(\mathrm{Rh}^{+}\) mother is carrying an \(\mathrm{Rh}^{-}\) fetus d. an \(\mathrm{Rh}^{-}\) mother is carrying a second \(\mathrm{Rh}^{+}\) fetus

Short Answer

Expert verified
a. A type AB mother carrying a type O fetus b. A type O mother carrying a type AB fetus c. An Rh+ mother carrying an Rh- fetus d. An Rh- mother carrying a second Rh+ fetus Answer: b and d

Step by step solution

01

Option A - Type AB mother carrying a type O fetus

Since type AB is a universal recipient (it has both A and B antigens on the red blood cells), while type O is a universal donor (with no antigen on the RBCs), therefore, this pregnancy doesn't pose a risk for HDN.
02

Option B - Type O mother carrying a type AB fetus

In this case, the mother has no antigens on her red blood cells (type O), and the fetus has both A and B antigens (type AB). The mother's antibodies could attack the fetus's red blood cells, causing HDN. This pregnancy is therefore at risk.
03

Option C - Rh+ mother carrying an Rh- fetus

In this situation, the Rh- fetus would not pose a threat to the Rh+ mother because her body would not produce antibodies against the Rh D antigen. This pregnancy doesn't pose a risk for HDN.
04

Option D - Rh- mother carrying a second Rh+ fetus

In this case, the Rh- mother has already been sensitized by the first Rh+ fetus (by her immune system being exposed to the Rh D antig en during the first pregnancy). She will produce antibodies against the Rh+ red blood cells of the subsequent fetus, causing HDN. This pregnancy is at risk for HDN. Therefore, the correct answer is: - b. a type O mother is carrying a type AB fetus. - d. an Rh- mother is carrying a second Rh+ fetus.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Following a motor vehicle accident, a patient is rushed to the emergency department with multiple traumatic injuries, causing severe bleeding. The patient's condition is critical, and there is no time for determining his blood type. What type of blood is transfused, and why?

People with ABO blood type \(\mathrm{O}\) ___________. a. have both antigens \(A\) and \(B\) on their erythrocytes b. lack both antigens \(A\) and \(B\) on their erythrocytes c. have neither anti- A nor anti- B antibodies circulating in their blood plasma d. are considered universal recipients

The process in which antibodies attach to antigens, causing the formation of masses of linked cells, is called ___________. a. sensitization b. coagulation c. agglutination d. hemolysis

Which of the following statements about mature, circulating erythrocytes is true? a. They have no nucleus. b. They are packed with mitochondria. c. They survive for an average of 4 days. d. All of the above

The production of healthy erythrocytes depends upon the availability of ___________. a. copper b. zinc c. vitamin \(\mathrm{B}_{12}\) d. copper, zinc, and vitamin \(\mathrm{B}_{12}\)
See all solutions

Recommended explanations on Biology Textbooks

Heredity

Read Explanation

Reproduction

Read Explanation

Cells

Read Explanation

Energy Transfers

Read Explanation

Ecology

Read Explanation

Organ Systems

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free