[Psychology 2075] - Final Exam Guide - Ultimate 60 pages long Study Guide!

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Published on 30 Mar 2017
Department
Western
Psychology 2075
FINAL EXAM
STUDY GUIDE
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Psych 2075
Pregnancy
- VIDEO: Maternal Factors
- each ovary contains a quarter of a million eggs which are present before woman
are even born
- the liquor folliculi protects the egg and provides nutrients
- the fimbrae stroke the ovary, looking for the newly released egg, and as ovulation
nears they become filled with blood
- the fallopian tubes are lined with cilia which help move the egg along the length,
which can take 3-4 days
- eggs wait in the outer third of the fallopian tube for fertilization
- VIDEO: Paternal Factors
- the Cowper’s Gland contributes lubricant fluid for the sperm to move easier
- the seminal vesicles contributes sugars(nourishment) to the sperm, to help them to
be strong to get to the egg
- the prostate gland contributes clear alkaline fluid, which helps to protect the sperm
when they are in the vagina(since it is so acidic)
- Conception
- acrosome: area of the sperm that secretes the enzyme hall hyaluronidase
- mid piece of sperm contains the mitrochondria to provide energy for swimming
- head contains the nucleus
- Egg meets sperm
- once an egg is fertilized it is called a zygote
- 5 days= blastocyst
- 8+ weeks = fetus
- once an egg has been penetrated, it is impenetrable to any other sperm
- egg is viable for about 12-24 hours for ovulation
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- sperm live 3-5 days within the body
- doctors can suggest a few things to help with conception, including missionary
position and keeping the woman’s pelvis tilted upward
- Causes of infertility
- Pelvic inflammatory disease(PID)
- non-ovulation, amenorrhea
- blocked fallopian tubes
- hostile mucous: causing an inhospitable cervical environment
- thick or acidic mucous that has anti-sperm antibodies
- attempts at pregnancy delayed beyond age 35, genetic counselling ad screening is
encouraged with achieved pregnancy
- ova may be less viable
- may be ovulating less regularly
- male infertility: post STI, low sperm count(varicocele), low-mobility sperm
- combo factors
- knowledge deficits about conception
- anti-sperm antibodies
- egg may have thick shell that make it impenetrable by sperm
- infertility treatment
- assesses female hormones to ensure ovulation
- Day 1, 7, 14, 21(check at each day)
- Twins: Fraternal vs Identical
- identical: 1 egg, 1 sperm, same gender, the likelihood of having twins can be
increased if it runs in the family (for this type), may be one or two placentas
- fraternal: 2 eggs, 2 sperms, separate placentas, can be diff genders
- New Reproductive Technologies
- embryo transfer… may use donor egg and/or sperm
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