Maternal-Fetal Medicine and Reproductive Immunology
This test covers topics related to maternal-fetal medicine, pregnancy complications, immunological aspects of pregnancy, and reproductive health. It includes questions about fetal development, pregnancy complications, and neonatal immunology.
Questions
Question 1 Multiple Choice (Single Answer)
All of the following are changes that occur to the fetal circulation within minutes of birth except
- the fetal heart shunts become closed
- constriction of the hepatic portal sinus
- the gas exchange occurs in the new born lungs
- constriction of the ductus venosus
- closure of the foramen ovale
Question 2 Multiple Choice (Single Answer)
Which of the following organs does the first wave of fetal gamma delta T-cell receptor cells in an adult mouse, colonizes?
- Peripheral blood
- Skin
- Thymus
- Female reproductive tract
- Gut
Question 3 Multiple Choice (Single Answer)
Which one of the following statements about immunoglobulin in fetal and neonatal infants is false?
- Maternal IgG is placentally transferred from 32 to 40 weeks of gestation.
- IgM is the first Ig to be made in the fetus.
- Most maternal IgG has been catabolized in a normal infant by 12 to 24 weeks of life.
- Breast milk IgA is absorbed by the infant's small intestine for up to 6 months of life.
- IgM antibodies does not pass across the human placenta.
Question 4 Multiple Choice (Single Answer)
Stem cell factor is produced mainly by
- thymic epithelium
- the bone marrow stromal cells
- stem cell
- megakaryocytes
- reticuloendothelial system
Question 5 Multiple Choice (Single Answer)
Hassall's corpuscles are groups of epithelial cells found in
- peripheral blood
- bone marrow
- spleen
- thymus
- peyer's patches
Question 6 Multiple Choice (Single Answer)
Which of the following is the earliest site of hematopoiesis in the embryo?
- Bone marrow
- Liver
- Spleen
- Yolk sac
- Thymus