Term
| What are the 6 hormones released by the anterior pituitary? |
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Definition
1) Adrenocorticotropic hormone (ACTH)
2) Growth Hormone (GH)
3) Prolactin (PRL)
4) Thyroid-stimulating hormone (TSH)
5) Follicle-stimulating hormone (FSH)
6) Luteinizing hormone (LH) |
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Term
| What are the 2 hormones that are produced in the hypothalamus and secreted in the posterior pituitary? |
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Definition
1) Vasopressin (ADH)
2) Oxytocin |
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Term
| What two hypothalmic hormones effect Growth hormone? |
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Definition
1) Growth hormone-releasing hormone
2) Growth hormone release-inhibiting hormone (somatostatin) |
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Term
| What hypothalmic hormone effects Prolactin? |
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Definition
| prolactin release inhibitory factor (dopamine) |
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Term
| What hypothalamic hormones effect FSH and LH? |
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Definition
| Gonadotropin-releasing hormone |
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|
Term
| What hypothalamic hormone affects ACTH? |
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Definition
Corticotropin-releasing hormone
Vasopressin |
|
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Term
| What hypothalamic hormone affects TSH? |
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Definition
| Thyrotropin-releasing hormone |
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Term
| What is the most common structure affected by pituitary masses? |
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Definition
|
|
Term
| What is the most common pituitary tumor? |
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Definition
|
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Term
| What genetic syndromes are associated with pituitary adenomas? |
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Definition
|
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Term
| diagnostic findings in males with hyperprolactinemia |
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Definition
1) diminished libido
2) oligospermia
3) lowered ejaculate problems
4) glactorrhea |
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Term
| Diagnostic findings for hyperprolactinemia in women |
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Definition
1) menstrual changes
2) vaginal dryness |
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|
Term
| How do you medically treat prolactinoma? |
|
Definition
bromocriptine D2 dopamine receptor agonist
*can use cabergoline (dopamine agonist) |
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|
Term
| What is the most abundant anterior pituitary hormone? |
|
Definition
| growth hormone, compromises 50% of anterior pituitary cells |
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|
Term
| Where is the receptor for GH most commonly found? |
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Definition
|
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Term
| What does GH do to persons of all ages? |
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Definition
| antagonizes insulin action and impairs glucose tolerance |
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Term
| increased mortality from adult GH deficiency is from what? |
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Definition
| cardiovascular risk factors increased |
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|
Term
| bone overgrowth is seen in what? |
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Definition
| acromegaly - GH-secreting pituitary adenoma |
|
|
Term
| gigantism is a result of? |
|
Definition
| GH hypersecretion before epiphyseal long-bone closure |
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|
Term
| How is the diagnosis of acromegaly confirmed? |
|
Definition
| failure to supress HG levels below 1 ul/L within 1-2 hours after an oral glucose load |
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