Pituitary Gland Set 10
5.0(1)
Studied by 2 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/20
Earn XP
Description and Tags
Last updated 11:55 PM on 3/19/23
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
21 Terms
1
New cards
How many hormones does the pituitary gland produce?
8
2
New cards
\# of Anterior lobe hormones
6
3
New cards
\# of Posterior lobe hormones
2
4
New cards
Where is the pituitary gland?
sella turcica
5
New cards
What happens if the *Optic Chiasm* in the pituitary gland is compressed?
Pituitary gland adenoma
\
*Field of vision defects*
\
*Field of vision defects*
6
New cards
What is **Prolactin** essential for?
Lactation
7
New cards
What happens to the levels of **Prolactin** during pregnancy?
◦Increases during pregnancy
◦peak level at term
◦peak level at term
8
New cards
Cause of **Hyperprolactinemia**
Increased prolactin secretion from the pituitary gland
9
New cards
What’s the most common abnormality associated with pituitary adenomas?
Hyperprolactinemia
10
New cards
How is prolactinomas associated with amenorrhea?
Amenorrhea is the loss of normal periods.
\
It is caused by the interference of prolactin on the normal fluctuation of %%__LHRH__%%
\
Higher prolactin = greater likelihood of amenorrhea
\
It is caused by the interference of prolactin on the normal fluctuation of %%__LHRH__%%
\
Higher prolactin = greater likelihood of amenorrhea
11
New cards
Hyperprolactinemia affects which age group primarily?
Affects premenopausal women, does not affect post.
\
In premenopausal women the release of __GnRH__ is inhibited.
\
Hypogonadism is an associated synonym
\
In premenopausal women the release of __GnRH__ is inhibited.
\
Hypogonadism is an associated synonym
12
New cards
If someone has Galacctorrhea can their prolactin levels be normal?
Yes
13
New cards
Symptoms associated with hypogonadism?
Infertility, oligomenorrhea, amenorrhea
\
*rare galactorrhea*
\
\
\
*rare galactorrhea*
\
\
14
New cards
> 15 ng/mL
\
What kind of prolactin level is this?
\
What kind of prolactin level is this?
High for women at a reproductive age
15
New cards
> 100 ng/mL
\
What kind of prolactin level is this?
\
What kind of prolactin level is this?
Typically associated with overt hypogonadism
16
New cards
20- 50 ng/mL
\
Is someone has this prolactin level what does it mean?
\
Is someone has this prolactin level what does it mean?
Mildly increased result
\
Can cause infertility even if there is no abnormality of the menstrual cycle
\
Can cause infertility even if there is no abnormality of the menstrual cycle
17
New cards
What other endocrine disorder can cause hyperprolactinemia?
Primary hypothyroidism
\
Increases TRH (thyroid releasing hormone) by the hypothalamus
\
TFH stimulates prolactin (and TSH) release.
\
Increases TRH (thyroid releasing hormone) by the hypothalamus
\
TFH stimulates prolactin (and TSH) release.
18
New cards
When would prolactin be measured?
Measure prolactin in all with fertility problems or galactorrhea
19
New cards
Explain these prolactin lab results:
\
◦
\
◦
Normal levels of prolactin
20
New cards
What prolactin level is indicative of an adenoma?
> 100
\
> 300 is virtually diagnostic
\
> 300 is virtually diagnostic
21
New cards
Why is prolactin important in pregnancy?
Without prolactin there will not be any milk production
Note 
Flashcards (355)