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  #1  
Old 04-23-2010
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X Ray Hormonal Effects on Mammogenesis

During the differentiation of mammary gland alveolar cells in late pregnancy, the hormone that acts synergistically with estrogen is which of the following?

A) ADH (vasopressin)
B) Human chorionic gonadotropin
C) Human placental lactogen
D) Luteinizing hormone
E) Oxytocin
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  #2  
Old 04-23-2010
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Default Oxytocin

Oxytocin helps in the expression of colostrum from the ducts after glands maturation by estrogen.
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Old 04-24-2010
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Post Was Progesterone not in the options? :s

I don't know if the answer is Oxytocin, as cellular differentiation is a function of Estrogen and Progesterone. I'd wanna say HCG, but since the question clearly says late pregnancy, HCG cannot be right as it is not required any more for the production of Progesterone (Now being produced by the Placenta using LDL itself)

Best guess, HCG-
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Old 04-24-2010
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you guys are almost close but not the ans . try one more time
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Old 04-24-2010
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C) human placental lactogen ?
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Old 04-24-2010
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Question HPL is the only one that's left then...

But that is more like a GH like hormone secreted from the placenta in late pregnancy right??? Its more of a ketosis/lipolysis promoting hormone with little effect on growth :S

Where did you get this question from??? Lol!
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Old 04-24-2010
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Default

Quote:
Originally Posted by smile135 View Post
C) human placental lactogen ?
HPL was my guess as well.

whats the answer?
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Old 04-24-2010
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must be hpl...
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Old 04-25-2010
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ans. is C. human placental lactogen
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  #10  
Old 04-25-2010
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Post Thanks~

Where is this question from??? I mean which Q bank.
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  #11  
Old 04-25-2010
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this nbme form 5 section 4 item 14
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