Maternal Ob Exam 2 Questions And Answers Elaborations!!

MATERNAL OB EXAM 2 QUESTIONS AND ANSWERS
ELABORATIONS!!
What is conception?
Answers:The union of a single egg and a single sperm
_________________ is not an isolated event but part of a sequential process


Answers:Conception
What is gametogenisis?


Answers:Oogenesis
Spermatogenesis
What is oogenesis?


Answers:The process of egg (oven) formation
What is spermatogenesis?


Answers:The process of sperm formation
What is the ovum?


Answers:-two protective layers
-considered fertile for about 24 hours after ovulation
what is fertilization?


Answers:Takes place in the outer third of the fallopian tube
When does implantation occur?

,Answers:6-10 days after conception in the endometrium
What happens during implantation?


Answers:Where O2 and nutrients are obtained from mom's bloodstream and CO2
and other waste products are sent back to maternal blood
How long does the development for the embryo last?


Answers:From day 15 until 8 weeks after conception
When is the most critical time for development


Answers:Embryonic stage
How to calculate Nagale's rule:


Answers:1st day of LMP - 3 months + 7 days
Nagale's rule tells us....


Answers:The predicted baby's due date
Amnionic fluid is _________ water


Answers:98-99%
What are the functions of amnionic fluid?


Answers:-thermoregulation for fetus
-source of oral fluid/repository for waste
-assists with fluid/electrolyte homeostasis
-provides for fetal cushioning, musculoskeletal development

,-antibacterial factors
-provides for auditory stimulation
Amniotic fluid provides ________________________ for fetus


Answers:Thermoregulation
AF is the source of _________ fluid and a repository for __________


Answers:Oral; waste
AF assists with __________ and _______________ homeostasis


Answers:Fluid; electrolyte
AF provides for fetal ________________; musculoskeletal development


Answers:Cushioning
AF has _________________ factors


Answers:Antibacterial
AF provides for _________________ stimulation


Answers:Auditory
What is Wharton's Jelly?


Answers:Surrounds vessels in the umbilical cord to prevent compression
What is HcG?

, Answers:Human chrorionic gonodotropin
An HcG test (pregnancy test) looks for both ___________________ and
___________________ factors


Answers:Qualitative; quantitative
What is viability?


Answers:The capability of the fetus to survive outside of the uterus
What are the weeks of viability?


Answers:23-24 weeks
What is ductus arteriosus?


Answers:Deoxygenated blood shunted or bypasses lungs to aorta
What is ductus venosus?


Answers:Bypass liver (which is not fully functional) shunts blood to inferior vena
cava
What is the foramen ovale?


Answers:Between right and left atrium
What is the L/S ratio?


Answers:lecithin/sphingomyelin ratio: used to determine fetal lung maturity
Dizygotic twins: