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Summary CCC3 Exam 1 STUDY GUIDE NOTES
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CCC3 Exam 1 STUDY GUIDE NOTES
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CCC3 Exam 1 STUDY GUIDE NOTESKidney Anatomy
*outer to inner portion
*what does each do? - ANS*Fibrous capsule
-protects and keeps everything contained within the kidneys
*Renal cortex
-contains blood vessels and nephrons (functional unit of the kidney)
*Medulla
-tiny tubules collect waste (urine) that has been filtered out by the nephrons
*Renal Pelvis
-collects urine and sends it on to eventually reach the bladder
Jobs of the Kidney - ANS*eliminate waste
*regulate fluid volume
*regulate electrolytes
*maintain acid-base balance
*regulating BP
*regulating RBC production
*turning vitamin D into active form
Uremia
*definition
*happens due to?
*s/s - ANS*urine in the blood
*happens if kidneys can't remove waste and it builds up within the blood
*s/s:
-confusion
-GI problems
-classic uremic frost (waste builds up in the blood and begins to escape through pores of skin)
, Ureters - ANSThe tubes that carry urine from the kidneys to the bladder.
Bladder - ANSElastic, hollow, muscular organ (lined by mucus membranes) that provides
temporary storage for urine.
Urethra
*definition
*has what? - ANS*tube leading from the urinary bladder to the outside of the body
*internal (involuntary) and external (voluntary) sphincter
Nephron
*definition
*what does it do?
*how many in each kidney?
*contains what? - ANS*the functional unit of kidneys
*filters waste out of kidneys
*~ 1 million
*contains:
-glomerulus
-bowman's capsule
-blood vessels
-tubules
Glomerulus
*what is it?
*What gets filtered out when blood flows through?
*how does this happen? - ANS*collection of blood vessels (looks like bowel of spaghetti) that
sits in a capsule called "Bowman's capsule"
*substances like ions, electrolytes, gucose, and salts
*filtration
-the pressure (caused by BP) pushes those small substances out into the Bowman's capsule
Hormones in the urinary tract - ANS*aldosterone
*antidiuretic hormone (ADH)
*atrial natriuretic hormone
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