BMS 430 Final Exam Questions and
Answers
What is the Endocrinology of Reproduction?
~~~The control of sexual differentiation of the reproduction system.
Do cells know whether they are male or female?
~~~No they can not differentiate between the sex of the body
Where is the SRY gene located?
~~~It is on the Y chromosome.
What is the SRY gene?
~~~This helps produce the protein sex- determining region y protein that is involved in the
development of the male reproductive tract.
Are the brains of males and females the same?
~~~No they are not.
Which hormone causes the brain to become mascinualised?
~~~Estradiol
In male brains what kind of receptors are in the libido section of the brain?
~~~Estradiol Receptors,
What protein does the fetus make in their liver in order to protect all brains from
becoming masculinized by estradiol?
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~~~alpha fetoprotein
Where in the brain can testosterone be converted into estradiol?
~~~Libido
What are the three sections of the brain?
~~~Libido, Aggression, Post Generator
What can not bind with alpha fetoprotein?
~~~Testosterone
Estrodiol in the brain?
~~~masculinizes the brain
DHT in the brain?
~~~feminizes the brain
Testosterone in the brain?
~~~both masculinizes or feminizes the brain.
In male fetal development of the leydig cells what does testosterone do?
~~~Developes the male tract, and converts to DTH which helps prodeuce male genitalia
In male adult development of the leydig cells what does testosterone do?
~~~Creates sperm, converts to DTH to maintain the male tract?
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In male fetal development of the seritoli cells what homrome is present?
~~~AMH
In male adult development of the seritoli cells what binds to the
anadrogin(testosterone)?
~~~ABP
Estrodiol creates what kind of brain?
~~~Male
AMH cause which tract to regresse?
~~~Female
When your genetics are XY with an SRY defect what happens with each of the
following tract, phenotype, brain, puberty, treatment?
~~~female ovary streak, female, female, nothing, female hormone therapy
When your genetics are XY with low to none 5 alpha reeducates what happens with
each of the following tract, phenotype, brain, puberty, treatment?
~~~male, female, male, male, male surgery
When your genetics are XY with no receptors for testosterone or DHT what happens
with each of the following tract, phenotype, brain, puberty, treatment?
~~~none does not form, female, male, nothing, male surgery
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