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Biology-Related Homework Help Anatomy and Physiology Topic started by: yoko0721 on May 11, 2015



Title: Individuals with complete androgen insensitivity syndrome have an XY genotype, but with the external
Post by: yoko0721 on May 11, 2015
Hi, I need help on these questions.
1. Individuals with complete androgen insensitivity syndrome have an XY genotype, but with the external genital phenotype of a typical female child, and therefore are almost always raised as girls. The syndrome is often not diagnosed until the individual fails to go through puberty in their teen years. What would be the levels hormones compared to an average adult female (assume hormone levels in the adult were averaged over the 1 month menstrual cycle)?
2.The term for cutting the stalk between the pituitary & the hypothalamus is hypophysectomy. One week after undergoing this procedure, which hormone levels would be above normal?
3.After several years of trying to have children, Jack and Diane decide to have a child by in vitro fertilization, which will require collection of mature eggs from Diane. This is done by several daily injections of FSH, followed by an injection of LH a day later, and collection of the eggs a day after that. What is the direct effect of FSH on Diane's ovary?
4.Which hormones decreases intracellular cAMP?
5.Kallmann's syndrome is a form of hypogonadism associated with a deficiency of GnRH-secreting neurons in the hypothalamus. What would be the effect on serum hormone concentrations in women with Kallmann's syndrome?
6.Which hormone would have the greatest up regulation following injection of FSH into fertile adult females three days after the beginning of the follicular phase of the menstrual cycle?
7.In the bloodstream of a normal adult male, which hormone is found in the lowest concentration?


Title: Re: human physiology questions
Post by: savio on May 14, 2015
If you posted this thread in the right board to begin with, you probably would have gotten more responses:

2.The term for cutting the stalk between the pituitary & the hypothalamus is hypophysectomy. One week after undergoing this procedure, which hormone levels would be above normal?

Inability to control blood glucose would suggest that there's a problem with insulin secretion/production.

4.Which hormones decreases intracellular cAMP?

I believe it's also insulin.

Quote
Kallmann's syndrome is a form of hypogonadism associated with a deficiency of GnRH-secreting neurons in the hypothalamus. What would be the effect on serum hormone concentrations in women with Kallmann's syndrome?

Seum levels of LH and FSH would be low, and since those up-regulate estrogen and progesterone, they would be low as well.