Psychobiology of Women Exam 1 Review

Psychobiology of Women Exam 1 Review - EXAM 1 REVIEW SHEET...

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EXAM 1 REVIEW SHEET W/ ANSWERS 1) What is chromosomal sex determined by? a) Whether the sperm fertilizing the ovum has an X or Y chromosome 2) What must occur for the undifferentiated gonads to develop into testes? a) Must have a functional Y chromosome with an SRY gene which stimulates an autosome to produce H-Y antigen (which stimulates the medulla to develop into testes and the cortex to fade away) 3) What must occur for the undifferentiated gonads to develop into ovaries? a) Must have migration of the primordial germ cells to the undifferentiated gonad and b) the absence of a functional Y chromosome and c) the presence of at least 2 functional X chromosomes- (the medulla fades away and the cortex develops into ovaries) 4) What happens if the primordial germ cells do not migrate? a) In the XX individual, the gonads will remain in the undifferentiated state, or become gonadal streaks. b) In the XY individual, testes will develop (assuming the other conditions are all met). 5) What three things must be present for male internal genitalia to develop? a) Androgens, Mullerian Inhibiting Factor and Inductor Substance b) Wolffian ducts develop into the epididymus, vas deferens, and seminal vesicle, and the Mullerian ducts recede 6) What must be present for the female internal genitalia to develop? a) Absence of androgens, b) Absence of Mullerian Inhibiting Factor and c) Absence of Inductor Substance d) Mullerian ducts develop into oviducts, uterus, and vagina, and Wolffian ducts recede 7) What are the three terms for the first half of the menstrual cycle? a) Proliferative phase (watch out this is not accurate) b) preovulatory phase and c) follicular phase 8) When does the proliferative phase start? End?? a) It starts at the END OF MENSES and ends at ovulation 9) What factor(s) must be met for male external genitalia to develop? a) Presence of androgens 10) What factor(s) must be met for female external genitalia to develop? a) Absence of androgens 11) Name the three undifferentiated structures of external genitalia and what they form with differentiation in MALES: a) Uro-genital fold urethra b) Genital tubercle penis c) Labio-scrotal swelling scrotum (scrotal sac) 12) Name the three undifferentiated structures of external genitalia and what they form with differentiation in FEMALES: a) Uro-genital fold labia minora b) Genital tubercle clitoris c) Labio-scrotal swelling labia majora
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13) What are the two functions of the ovary? a) Houses all immature ova that a woman will ever possess b) Houses two sequentially present hormone producing sites 14) Where does implantation of the fertilized ovum usually take place? a) The upper 2/3 of the uterus, the fundus 15) Is the preovulatory phase variable or relatively fixed? a) Variable, day 1 to ovulation 16) What is the name of the phenomenon in which organs of the peritoneal cavity are irritated by blood released at ovulation which may result in intense pain?
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This note was uploaded on 04/27/2008 for the course PSYCH 357 taught by Professor Kenney during the Spring '07 term at University of Washington.

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Psychobiology of Women Exam 1 Review - EXAM 1 REVIEW SHEET...

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