PSYCHOLOGY 304 (UBC) - BIOPSYCHOLOGY FINAL
EXAM 2026 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
Mamawawa - CORRECT ANSWER >>>the assumption that men are strictly men, and women are
strictly women
Biological sex - CORRECT ANSWER >>>anatomical, physiological, and genetic characteristics of
being male or female or intersex
Preoptic area - CORRECT ANSWER >>>a location in the hypothalamus that has shown to be
different men and women
Androgens - CORRECT ANSWER >>>an insufficient amount of this caused male rats to display
stereotypically female postures
Androgens - CORRECT ANSWER >>>an increased amount of this caused female rats to display
stereotypically male postures
Transexual - CORRECT ANSWER >>>the condition in which a person thinks they are trapped in
the other genders body
Gender identity - CORRECT ANSWER >>>a person's private, subjective sense of their gender
Sexual behaviour - CORRECT ANSWER >>>a person's sexual acts
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,Sexual orientation - CORRECT ANSWER >>>the persons attraction to either their own sex, the
opposite sex, or a mix of sexes
Homosexuality - CORRECT ANSWER >>>linked to genetics, but not to feminization or
masculinization or low levels of hormones
Diethylstilbestrol - CORRECT ANSWER >>>hormone that, if introduced in young age to women,
may cause a higher attraction towards women
INAH3 - CORRECT ANSWER >>>location that was twice as large in heterosexual male brains
than homosexual male and heterosexual female brains
Sexually dimorphic nucleus (medial preoptic area) - CORRECT ANSWER >>>area that is three
times larger in men than women
Dopamine agonists - CORRECT ANSWER >>>neurotransmitter that causes increase in sexual
behaviour
Dopamine antagonists - CORRECT ANSWER >>>neurotransmitter that causes a decrease in
sexual behaviour
Hypothalamus - CORRECT ANSWER >>>destruction of this area ceases sexual behaviours in
males
Ventromedial nucleus - CORRECT ANSWER >>>location in females necessary for female sexual
behaviour
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,Fraternal birth order effect - CORRECT ANSWER >>>the effect that the probability of a man
being homosexual increases with the later they are born
Maternal immune hypothesis - CORRECT ANSWER >>>the theory that mothers become more
immune to masculinizing hormones and thus later borns are more likely to become homosexual
Hormones - CORRECT ANSWER >>>there are three types of these that affect sex in two
separate ways
Exocrine glands - CORRECT ANSWER >>>glands that release their chemicals into ducts
Endocrine glands - CORRECT ANSWER >>>ductless glands that release hormones
Developmental effects - CORRECT ANSWER >>>influencing the development of sexual
anatomical, physiological and behavioral characteristics
Activational effects - CORRECT ANSWER >>>activating sexual behaviours in adults
Amino acid derivative hormones - CORRECT ANSWER >>>hormones synthesized from an amino
acid molecule
Peptide and protein hormones - CORRECT ANSWER >>>hormones that are either short or long
chains of amino acids
Steroid hormones - CORRECT ANSWER >>>hormones synthesized from cholesterol
Androgens - CORRECT ANSWER >>>testosterone is the most common of these
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, Testosterone - CORRECT ANSWER >>>this can either become estradiol or dihydrotestosterone
based off what acts on it; is not linked to sex drive Estrogens - CORRECT ANSWER >>>estradiol
is the most common of these
Estradiol - CORRECT ANSWER >>>this substance may be linked to instances of erections and the
sex drive of men
Progestins - CORRECT ANSWER >>>progesterone is the most common form of this
Hypothalamic-gonadal axis - CORRECT ANSWER >>>the gonads are receiving hormones signal
from the hypothalamus to tell it what to release
Hypothalamopituitary portal system - CORRECT ANSWER >>>the system that carries hormones
from the hypothalamus to the anterior pituitary
Releasing hormones - CORRECT ANSWER >>>hormones from the hypothalamus that releases
pituitary hormones
Release-inhibiting factors - CORRECT ANSWER >>>hormones released from the hypothalamus
that blocks the release of pituitary hormones
Thyrotropin-releasing hormones - CORRECT ANSWER >>>hormone from pituitary that causes
the release of thyrotropin
Thyrotropin - CORRECT ANSWER >>>hormone that activates the creation of thyroid hormones
Gonadotropin-releasing hormones - CORRECT ANSWER >>>a hormone that releases
gonadotropin
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EXAM 2026 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
Mamawawa - CORRECT ANSWER >>>the assumption that men are strictly men, and women are
strictly women
Biological sex - CORRECT ANSWER >>>anatomical, physiological, and genetic characteristics of
being male or female or intersex
Preoptic area - CORRECT ANSWER >>>a location in the hypothalamus that has shown to be
different men and women
Androgens - CORRECT ANSWER >>>an insufficient amount of this caused male rats to display
stereotypically female postures
Androgens - CORRECT ANSWER >>>an increased amount of this caused female rats to display
stereotypically male postures
Transexual - CORRECT ANSWER >>>the condition in which a person thinks they are trapped in
the other genders body
Gender identity - CORRECT ANSWER >>>a person's private, subjective sense of their gender
Sexual behaviour - CORRECT ANSWER >>>a person's sexual acts
1|Page
,Sexual orientation - CORRECT ANSWER >>>the persons attraction to either their own sex, the
opposite sex, or a mix of sexes
Homosexuality - CORRECT ANSWER >>>linked to genetics, but not to feminization or
masculinization or low levels of hormones
Diethylstilbestrol - CORRECT ANSWER >>>hormone that, if introduced in young age to women,
may cause a higher attraction towards women
INAH3 - CORRECT ANSWER >>>location that was twice as large in heterosexual male brains
than homosexual male and heterosexual female brains
Sexually dimorphic nucleus (medial preoptic area) - CORRECT ANSWER >>>area that is three
times larger in men than women
Dopamine agonists - CORRECT ANSWER >>>neurotransmitter that causes increase in sexual
behaviour
Dopamine antagonists - CORRECT ANSWER >>>neurotransmitter that causes a decrease in
sexual behaviour
Hypothalamus - CORRECT ANSWER >>>destruction of this area ceases sexual behaviours in
males
Ventromedial nucleus - CORRECT ANSWER >>>location in females necessary for female sexual
behaviour
2|Page
,Fraternal birth order effect - CORRECT ANSWER >>>the effect that the probability of a man
being homosexual increases with the later they are born
Maternal immune hypothesis - CORRECT ANSWER >>>the theory that mothers become more
immune to masculinizing hormones and thus later borns are more likely to become homosexual
Hormones - CORRECT ANSWER >>>there are three types of these that affect sex in two
separate ways
Exocrine glands - CORRECT ANSWER >>>glands that release their chemicals into ducts
Endocrine glands - CORRECT ANSWER >>>ductless glands that release hormones
Developmental effects - CORRECT ANSWER >>>influencing the development of sexual
anatomical, physiological and behavioral characteristics
Activational effects - CORRECT ANSWER >>>activating sexual behaviours in adults
Amino acid derivative hormones - CORRECT ANSWER >>>hormones synthesized from an amino
acid molecule
Peptide and protein hormones - CORRECT ANSWER >>>hormones that are either short or long
chains of amino acids
Steroid hormones - CORRECT ANSWER >>>hormones synthesized from cholesterol
Androgens - CORRECT ANSWER >>>testosterone is the most common of these
3|Page
, Testosterone - CORRECT ANSWER >>>this can either become estradiol or dihydrotestosterone
based off what acts on it; is not linked to sex drive Estrogens - CORRECT ANSWER >>>estradiol
is the most common of these
Estradiol - CORRECT ANSWER >>>this substance may be linked to instances of erections and the
sex drive of men
Progestins - CORRECT ANSWER >>>progesterone is the most common form of this
Hypothalamic-gonadal axis - CORRECT ANSWER >>>the gonads are receiving hormones signal
from the hypothalamus to tell it what to release
Hypothalamopituitary portal system - CORRECT ANSWER >>>the system that carries hormones
from the hypothalamus to the anterior pituitary
Releasing hormones - CORRECT ANSWER >>>hormones from the hypothalamus that releases
pituitary hormones
Release-inhibiting factors - CORRECT ANSWER >>>hormones released from the hypothalamus
that blocks the release of pituitary hormones
Thyrotropin-releasing hormones - CORRECT ANSWER >>>hormone from pituitary that causes
the release of thyrotropin
Thyrotropin - CORRECT ANSWER >>>hormone that activates the creation of thyroid hormones
Gonadotropin-releasing hormones - CORRECT ANSWER >>>a hormone that releases
gonadotropin
4|Page
