Psychology 2301 Exam 3 Questions With Correct Answers.

What are the 3 primary ways we begin to learn about sex and sexuality? - Answer-1. Judging without naming 2. Mislabeling 3. Undefined words What is the "nature vs nurture" debate and how does this relate to sexual orientation? - AnswerWhether biology or environment cause sexual orientation What is oxytocin and how does it relate to sexuality? - Answer-"love drug"... experiences that cause oxytocin release can trigger a certain sexuality What is hermaphroditism/intersexuality and the guevedoces? - Answer-Hermaphroditism: born with both male & female parts 1/2000 births Guevedoces: born as a female and male genitalia grows during puberty How long is the normal gestational period? - Answer-38 weeks from conception to birth (40 weeks from last period to birth) What are the 3 stages of gestation (include what happens in those stages)? - Answer-1. Germinal 2. Embryonic 3. Fetal Germinal - Answer-(0-2 weeks) -Fertilized ovum travels down fallopian tube and attaches to uterine wall -Single cell multiplies Embryonic - Answer-(2-8 weeks) -Placenta forms between mother and embryo (connected by umbilical cord)-by the end of the 7th week, embryo is surrounded by the amniotic sac and suspended in fluid Fetal - Answer-(9 weeks-birth) -Development of first bone* -3-4 months, has heartbeat What is vernix, lanugo and fontanelle? (hint: They are not the names of the Teenage Mutant Ninja Turtles) - Answer-Birth things... -Vernix: collagen based substance for protection -Lanugo: light feathery hairs around jawline, back, and neck -Fontanelle: "cone head" caused by passage through birth canal