Bio 142 Lecture - Study Guide 5

10 cards

hormonal regu lation﷯﷯


 
  
Created Oct 23, 2010
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taumeka

 

 
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1
1.  List what conditions activate/stimulate chemoreceptors and describe what do the chemoreceptors...
 
Chemoreceptors respond to changes in blood levels of oxygen, carbon dioxide, and hydrogen ions....
2
List which organs/tissue produce the following hormones that regulate blood pressure and the...
 
ADH: Produced by hypothalamus, stored in posterior pituitary – release stimulated by Angiotensin...
3
3.  List which hormones are participating in short-term mechanisms of blood pressure control...
 
Short term (hormonal controls): Norepinephrine, epinephrine, angiotensin II, ANP, ADHLong term...
4
4.  Describe how ANP regulates blood pressure.
 
ANP overall influence is to decrease blood pressure by allowing NA+ and water to flow out of...
5
5.  Describe the 2 separate ways (participates in both short term controls and long term...
 
In short term mechanism, ADH causes intense vasoconstriction in cases of extremely low BP....
6
 6. Describe 2 separate ways angiotension II regulates blood pressure (both short/ long...
 
Short term- hormonal control (epinephrine/ nor epinephrine) counteracts fluctuations in BP...
7
7. Describe the direct renal mechanism that regulates blood pressure:
 
This mechanism alters blood volume without the help of hormones. If blood volume increases...
8
8.  Explain how aldosterone regulates blood pressure.
 
Aldosterone reduces excretion of Na+ from the body. It targets the Kidney tubules where it...
9
 9.  Explain how hydrostatic pressure and colloid osmotic pressure at both the capillary...
 
When the hydrostatic  pressure is less(<) than the osmotic pressure it causes reabsorption. ...
10
10. Describe all the functions of the lymphatic vessels.
 
Returns interstitial fluid and leaked plasma proteins back to the blood through venous system...

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