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NSC 3361 - Exam 2 Questions and Correct
Answers
Neural and Hormonal communications differ, however both are
_____________ signals. Ans: Chemical
Hormonal signals are graded, the speed is gradual and it is active
over meters. Sometimes they are controlled by _________________
clocks Ans: Circadian
The pituitary gland lies beneath the Ans: hypothalamus
How many hormones does the Posterior pituitary secrete? What
are they? Ans: Only two, Oxytocin and Vasopresin.
Vasopressin is an antidiuretic hormone and it ________ blood
pressure and ________ urine formation. Ans: Raises, inhibits
Early thyroid deficiency causes Ans: Cretinism(mental retardation)
What is the swelling of the thyroid gland as form of iodine
deficiency called? Ans: Goiter
What disease results from long-term excess glucocorticoids with
fatigue depression and psychosis? Ans: Cushing's disease
How many levels of sex determination are there and what are
they? Ans: 7 levels, they are: Chromosomes, Gonads, Internal
organs, external organs, brain, gender identity and gender
preference.
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, 2 | Page
In what ways is sex like hunger and thirst? Ans: It involves arousal
and satiation, involves hormonal control, controlled by specific
areas of the brain.
Why do we say sex is unlike hunger and thirst? Ans: It is not a
homeostatic tissue need and individuals do not require sex for
survival(Species do).
Estrogen rises before ____________ Ans: Ovulation
If a female is sexually receptive she is in __________ Ans: estrus
True or false: Women don't have estrus. Ans: True: however they
are more likely to initiate sex at ovulation.
How does Dopamine affect sexual activity in humans? Ans: Drugs
that increase dopamine increase sexual activity in humans. It also
produces erection in men, then ejaculation.
What is the neurotransmitter that both men and women complain
of impairing their sexual abilities? Ans: Serotonin
__________ provokes the desire but takes away the performance
when it comes to sex. Ans: Alcohol
What gene is the sex determining region of the Y chromosome?
Ans: The SRY gene
Development of the SRY gene causes development of __________
Ans: testes
What forms when there isn't a development of the SRY gene? Ans:
Ovary
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, 3 | Page
________________ is the main organizing hormone of human brains.
Ans: Testosterone.
When do organizing effects occur in the human brain? Ans:
Prenatally or shortly after birth.
___________ effects of the human brain occur at any time in life.
Ans: Activating: They come and go with hormone levels or are
stable.
What effects are reversible? Ans: Activating effects
True or False: Organizing effects affect the brain and body
structure and are lifelong like genitals. Ans: True
True or False: There are differences in brain development when it
comes to different sex. Ans: True
Women/men have a larger corpus callosum. Ans: Women
True or False: Females have greater asymmetry in the brain than
males. Ans: False
_____________ hemisphere is thicker in males than females. Ans:
Right
Women have more neurons in: Ans: Dorsolateral prefrontal
cortex(think before you act), Superior temporal
gyrus(talking/listening)
Men are better connected: Ans: front-to-back(therefore better at
concentrating on one task)
© 2025 All rights reserved
NSC 3361 - Exam 2 Questions and Correct
Answers
Neural and Hormonal communications differ, however both are
_____________ signals. Ans: Chemical
Hormonal signals are graded, the speed is gradual and it is active
over meters. Sometimes they are controlled by _________________
clocks Ans: Circadian
The pituitary gland lies beneath the Ans: hypothalamus
How many hormones does the Posterior pituitary secrete? What
are they? Ans: Only two, Oxytocin and Vasopresin.
Vasopressin is an antidiuretic hormone and it ________ blood
pressure and ________ urine formation. Ans: Raises, inhibits
Early thyroid deficiency causes Ans: Cretinism(mental retardation)
What is the swelling of the thyroid gland as form of iodine
deficiency called? Ans: Goiter
What disease results from long-term excess glucocorticoids with
fatigue depression and psychosis? Ans: Cushing's disease
How many levels of sex determination are there and what are
they? Ans: 7 levels, they are: Chromosomes, Gonads, Internal
organs, external organs, brain, gender identity and gender
preference.
© 2025 All rights reserved
, 2 | Page
In what ways is sex like hunger and thirst? Ans: It involves arousal
and satiation, involves hormonal control, controlled by specific
areas of the brain.
Why do we say sex is unlike hunger and thirst? Ans: It is not a
homeostatic tissue need and individuals do not require sex for
survival(Species do).
Estrogen rises before ____________ Ans: Ovulation
If a female is sexually receptive she is in __________ Ans: estrus
True or false: Women don't have estrus. Ans: True: however they
are more likely to initiate sex at ovulation.
How does Dopamine affect sexual activity in humans? Ans: Drugs
that increase dopamine increase sexual activity in humans. It also
produces erection in men, then ejaculation.
What is the neurotransmitter that both men and women complain
of impairing their sexual abilities? Ans: Serotonin
__________ provokes the desire but takes away the performance
when it comes to sex. Ans: Alcohol
What gene is the sex determining region of the Y chromosome?
Ans: The SRY gene
Development of the SRY gene causes development of __________
Ans: testes
What forms when there isn't a development of the SRY gene? Ans:
Ovary
© 2025 All rights reserved
, 3 | Page
________________ is the main organizing hormone of human brains.
Ans: Testosterone.
When do organizing effects occur in the human brain? Ans:
Prenatally or shortly after birth.
___________ effects of the human brain occur at any time in life.
Ans: Activating: They come and go with hormone levels or are
stable.
What effects are reversible? Ans: Activating effects
True or False: Organizing effects affect the brain and body
structure and are lifelong like genitals. Ans: True
True or False: There are differences in brain development when it
comes to different sex. Ans: True
Women/men have a larger corpus callosum. Ans: Women
True or False: Females have greater asymmetry in the brain than
males. Ans: False
_____________ hemisphere is thicker in males than females. Ans:
Right
Women have more neurons in: Ans: Dorsolateral prefrontal
cortex(think before you act), Superior temporal
gyrus(talking/listening)
Men are better connected: Ans: front-to-back(therefore better at
concentrating on one task)
© 2025 All rights reserved
