Renal Anatomy and Function Quiz
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Questions and Answers

Renal medulla is made of

True

Renal cortex is made of

False

What does the ascending limb reabsorb? NaCl or H2O

NaCl

What does the descending limb reabsorb? NaCl or H2O

<p>H2O</p> Signup and view all the answers

What does the proximal convoluted tube do?

<p>Reabsorbs nutrient ions/secretes wastes</p> Signup and view all the answers

What does the distal convoluted tube do?

<p>Hormone-controlled reabsorption/secretion</p> Signup and view all the answers

What hormones are associated with DCT?

<p>Aldosterone - reabsorbs Na+, secretes K+, PTH - reabsorbs Ca2+</p> Signup and view all the answers

What does the collecting duct do?

<p>Presence of ADH that reabsorbs H2O, urea recycling and reabsorb/secretion of ions</p> Signup and view all the answers

What is the renin-angiotensin pathway?

<p>Release of renin, that causes the formation of angiotensin II, which stimulates the release of aldosterone, ultimately increasing BP</p> Signup and view all the answers

What is the aldosterone pathway?

<p>Release of aldosterone from adrenal glands, increases reabsorption of Na+ in DCT, increasing H2O reabsorption, ultimately leading to blood pressure increase</p> Signup and view all the answers

What is the ADH pathway?

<p>Release of ADH from the pituitary gland, leading to increase in H2O reabsorption, increasing blood pressure (can lead to vasoconstriction)</p> Signup and view all the answers

What is the ANP pathway?

<p>Antagonistic to aldosterone, increased secretion of Na+/H2O, lowering blood pressure (risk of vasodilation)</p> Signup and view all the answers

What is the role of the proximal tubules?

<p>Glucose, bicarbonate ion and H2O reabsorption</p> Signup and view all the answers

What is another role of renal tubules?

<p>Removal of nitrogenous waste</p> Signup and view all the answers

What is the size of the glomerular basement membrane?

<p>250-400nm</p> Signup and view all the answers

What is the glomerular basement membrane NOT composed of?

<p>Laminin - 500</p> Signup and view all the answers

GBM is between __________ endothelial cells and _________

<p>Fenestrated, and pedicels</p> Signup and view all the answers

What nitrogenous waste is used to assess glomerular filtration when present in serum?

<p>Creatinine</p> Signup and view all the answers

What time is the abrupt onset of Acute Kidney Injury

<p>48 hours</p> Signup and view all the answers

Kidney function reduction is associated in an elevation of serum ________ and reduction in _____

<p>Creatinine, urine</p> Signup and view all the answers

What is the mortality rate of Acute Kidney Injury

<p>25-80%</p> Signup and view all the answers

Renal hypoxia is damage to

<p>Tubular epithelial cells</p> Signup and view all the answers

The process of renal hypoxia: activates ________ -> inflammation -> _______________

<p>Fibroblasts, and tubulointerstitial fibrosis</p> Signup and view all the answers

Chronic Kidney Disease is associated with what GFR

<p>&lt;60 ml/min/1.73m^2</p> Signup and view all the answers

Glomerulosclerosis is the scarring of what?

<p>The glomerular filtration barrier, leaking larger biomolecules (serum protein and albumin)</p> Signup and view all the answers

End stage renal disease is below what %?

<p>Below 10%</p> Signup and view all the answers

What is the potential treatment for end stage kidney disease

<p>Dialysis or transplantation</p> Signup and view all the answers

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