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Essential Ion and Compound Balance and Homeostasis - Renal Flash Cards - Anatomy & Physiology (view source)
Revision as of 14:28, 10 September 2008
, 14:28, 10 September 2008no edit summary
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'''Use the mouse to highlight the answers. They are written in white'''
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<TD>What are the problems if body water levels drop too low?</TD>
<TD>What the effects of varying sodium concentration within the body?</TD>
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* Inadequate perfusion due to low blood volume
*Too low
* A build up of waste products due to insufficient urine volume
**Water and ECF volumes fall
* Increased solute concentrations affect cell function
**Sodium dependant transporters are disturbed
* Inability to sweat and control body temperature
*Too High
* Death</font></TD>
**Water and ECF volume increases
<TD>[[Water Balance and Homeostasis - Physiology#Too Little Water|Link]]</TD>
**Sodium dependant transporters are disturbed </font></TD>
<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Sodium|Link]]</TD>
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<TD>Why is sodium not regulated on the basis of plasma concentration?</TD>
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*Water follows sodium. Therefore volume notconcentration alter
*The hormonal controllers affect sodium concentration and ECF concentration
*ADH and the thirst response dilute any increase in sodium by increasing ECF volume</font></TD>
<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Regulation|Link]]</TD>
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<TD>What is "salt hunger"?</TD>
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It's where an animal with low body salt concentrations actually craves salt</font></TD>
<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Salt Hunger|Link]]</TD>
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<TD>What are the three major sources of potassium?</TD>
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* Diffusion from the small intestine
* Active transport from the colon
* Recovered from cellular breakdown</font></TD>
<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Sources|Link]]</TD>
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<TD>By which three methods is potassium homeostasis managed? Which of these make up the chronic and which the acute response</TD>
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*Cellular translocation - Acute
*Renal excretion - 90% of chronic
*GI excretion - 10% of chronic</font></TD>
<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Methods of Control|Link]]</TD>
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<TD>Which two things control the acute response and how do they do it?</TD>
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*Insulin
*Activation of beta2 adrenoreceptors
*Work by increasing the activity of Na+ / K+ ATPases causing sodium efflux and potassium influx</font></TD>
<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD>
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<TD>?</TD>
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</font></TD>
<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD>
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<TD>?</TD>
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</font></TD>
<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD>
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<TD>?</TD>
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</font></TD>
<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD>
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<TD>?</TD>
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</font></TD>
<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD>
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