Health Medical Homework Help

DeVry University obstetric Life Span Development Primary Germ Layers Questions

 

I’m studying for my Nursing class and don’t understand how to answer this. Can you help me study?

 

1. Which structure is commonly called the bag of waters (it breaks prior to delivery and often signals the onset of labor)?

 Primary germ layers

 Morula

 Amniotic sac 

 Blastocyst

2. What term describes the ectoderm, mesoderm, and endoderm?

 Inner cell mass

 Extraembryonic membranes

 Primary germ layers 

 Blastomeres

3. What is the outer extraembryonic membrane that forms finger-like projections called villi and helps form the placenta?

 Amnion

 Chorion 

 Umbilicus

 Trophoblast

4. Which of the following is a disclike structure where the fetal and maternal circulations meet (baby eats, excretes, and breathes at this site)?

 Umbilicus

 Placenta 

 Primary germ layers

 Zygote

5. Which of the following develops first?

 Morula

 Trophoblast

 Blastomere

 Zygote 

6. Which cream cheese–like substance is secreted by baby’s sebaceous glands and protects the skin from the amniotic fluid?

 Lanugo

 Colostrum

 Vernix caseosa 

 Meconium

7. Which word refers to milk production by the mammary glands?

 Implantation

 Parturition

 Lactation 

 Quickening

8. What is the name of the fine downy hair that covers the fetus?

 Vernix caseosa

 Lanugo 

 Colostrum

 Meconium

9. What is the name of the yellowish watery fluid secreted by the mammary glands immediately after delivery (baby is nourished on this until the mother’s milk comes in)?

 Lanugo

 Vernix caseosa

 Meconium

 Colostrum 

10. Which hormone is secreted by the trophoblastic cells during implantation and helps preserve the corpus luteum?

 Estrogen

 Progesterone

 hCG 

 FSH

11. In addition to acting as an exchange site between the mother and fetus, the placenta also secretes

 estrogen and progesterone. 

 amniotic fluid.

 vernix caseosa.

 colostrum.

12. Which of the following is divided into trimesters?

 Conception

 Fertilization

 Pregnancy 

 Ovulation

13. Which of the following is most related to fertilization?

 Broad ligament

 Implantation

 Menses

 23 chromosomes plus 23 chromosomes 

14. Which of the following is true of implantation?

 It is called conception.

 It is divided into trimesters.

 It is stimulated by FSH and LH.

 It occurs within the uterus. 

15. Which of the following is most descriptive of a zygote?

 Fertilized ovum 

 Mature sperm

 Graafian follicle

 Fetus

16. What “lives” in the fallopian tube for a brief period of time?

 An embryo

 A fetus

 A blastocyst

 A zygote 

17. Which of the following is most related to the word ectopic?

 Tubal pregnancy 

 Labor

 Lactation

 Endometriosis

18. What is the name of the developmental process that refers to the shaping of the cell cluster?

 Implantation

 Conception

 Morphogenesis 

 Fertilization

19. Afterbirth refers primarily to which structure?

 Morula

 Zygote

 Fetus

 Placenta 

20. Which hormone literally means “swift birth” and assists in labor?

 Prostaglandin

 Progesterone

 Oxytocin 

 Prolactin