physiological psychology chapter 10
Which hormone causes ovulation
LH
Which of the following is true of pheromone action in humans
Men rate T-shirts worn by women during their fertile phase as more pleasant that T-shirts worn during the non-fertile phase.
The key factor that determines whether the undifferentiated gonads developed into testes is the
gene Sry located on the Y chromosome
An example of an activational effect induced by the hormone estradiol would be
growth of the uterine lining during the menstrual cycle
A larger sexually dimorphic nucleus of the medical preoptic area is the result of ___________________ in the fetal development
high levels of androgen
Which of the following is known to speed up the onset of female puberty a. forced exercise and dieting b. low levels of body fat c. high plasma levels of leptin d. malnutrition e. consumption of a low-energy diet
high plasma levels of leptin
Impairment of oxytocin secretion in a _______ would be expected to __________.
male; reduce ejaculartory force
Individuals with cloacal exstrophy are genetic _________ who are often sexually attracted to ______________
males; females
A hormone that promotes the prenatal development of the Wolffian system is said to have
masculizing effect
All cells of the human body contain 23
pairs of chromosomes
In _________, one might expect to observe both male and formal internal reproductive structures
persistent Mullerian duct syndrome in a genetic male
A single egg contributes _______ to developing zygote
X
A typical genetic female would have
XX chromosomes
An example of a secondary sex characteristic is
a deep voice
Damage to the lumbar cells impairs
ejaculation
The enzyme _______ converts testosterone into dihydrotesterone
5-alpha reductase
The Mullerian system structures are the prescureses to the
Female internal sex
The protein that dictates the conversion of undifferentiated gonads into the testes is controlled by the
Gene Sry
_________________________________ is/ are found in both males and females
Gondartropin-releasing hormone, follicle stimulating hormone, and testosterone
_______________________ increases an individual's likelihood to trust another person with his or her money
Oxytocin
A person's genetic sex is determined by
The sperm, which can carry either X or Y chromosomes
individuals with a sex chromosome pair of XO have
Turner's syndrome
_________________- appears to be important for males in the pair bonding and _________________ appears to be important tfor femals in the pair bonding
Vasopressin; oxytocin
Administration of a GnRH antagonist to human males is most likely to cause
a decrease in sexual interest and intercourse after two weeks of treatment
Sensory cells of the vomeronasal organ project to the
accessory olfactory bulb
In which disorder would the external genital of a female develop in conjuction with testes
androgen-insentivity disorder
The hormone _____________ enters a defimincing action during prenatal development.
anti-Mullerian hormone
Which of the follow terms belong together a. Wolffian system; clitoris b. Müllerian system; Fallopian tubes c. Müllerian system; uterus d. Wolffian system; uterus e. Müllerian system; vas deferens
b. Müllerian system; Fallopian tubes
The prenatal development of the external male genitalia requires presents of
dihydrotestosterone
In considering male sexual behavior, it is true that
ejaculation referes to the discharge of semen from the penis
Leisoning of the medial preoptic are (MPA) area is rates results in
elimination of sexual behavior
The steps od menstruation cycle are (in order)
follicular phase, ovulation, luteal phase, menses
The vomeronsal organ
is the receptor organ for pheromones
The hormone _________________ controls the secretion of gonadtropin-releasing hormone.
kisspeptin
The formation of the ovaries during prenatal development is controlled by
no factor
the ___________ dieexrlt in tidbits the spinal motor neurons that control male sexual reflexes
nucleus paragigantocelluris (PG) of the medulla
the key distinction between organizational hormone effects and an activational hormone effect is that
organizational effects are permanent
Which of the following is considered to be a human organ a. ovaries b. adrenal gland c. pancreas d. pituitary e. thyroid
ovaries
A key principle demonstrated by Turner's syndrome is that
ovaries are NOT necessary for development of the Mullerian system
Women are more likely to initiate sex during _______________, suggesting an influence of hormones on female sexual behavior.
ovulation
The prenatal development of the internal reproduces structures of the male requires
recreation of androgens
Menstruation is triggered by
reduced secretion of estrogen and progesterone from the corpus luteum
The prenatal development of the internal reproductive structure of the female
requires no hormone
A person who differs from androgen-insenticity syndrome would be expected to
secrete androgens
Both men and women appear to show increased secretion of ______________ in anticipation of renewed
testosterone
Research suggests that ______________ increases sexual activity and rate of orgasm for women.
testosterone
What principle is demonstrated by finding mechanical stimulation of the genitals elicits secualratesd behaviors in animals whose spinal cords has been cut off
the brain is not required for sexual reflection of reaction and ejuaculation
A key event that starts sexual maturation at the sexual maturation at the onset of puberty is that
the pituitary secretes gonadtropin-releasing hormones
If the Sry gene is present but there are faulty receptors for testosterone, it is likely that
the testes will develop but the penis will not develop
The primary feature that distinguishes a menstrual cycle from an estrous cucle is that
there is no cycle of growth/loss of the uterine lining in the estrous cycle