Term
What part of the kidney contains all the glomeruli and 85% of the nephron tubules? |
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Definition
Cortex (the outer rim of the kidney) |
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Term
At what percentage of nephron damage does serious renal impairment occur? |
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Definition
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Term
What part of the kidney is the 'functional unit' of the kidney? |
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Definition
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Term
What is the rate of glomerular filtration? |
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Definition
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Term
What part of the glomerulus is selectively permeable and prevents plasma proteins, RBCs, WBCs and platelets from going through? |
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Definition
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Term
What are the actions of the Proximal Convoluted Tubule dependent on? |
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Definition
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Term
What part of the PCT reabsorbs Cl? |
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Definition
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Term
What part of the loop of henle is permeable to water? |
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Definition
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Term
Which cells in the collecting duct respond to ADH? |
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Definition
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Term
Which cells in the Collecting duct regulate acid secretion? |
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Definition
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Term
In the DCT which hormones control the reabsorption of sodium and water? |
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Definition
Aldosterone and angiotensin |
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Term
In the DCT which hormones inhibit reabsorption? |
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Definition
Atrial Natriuretic Peptide and urodilatin |
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Term
Which chromosome is affected with Autosomal Recessive Polycystic Kidney Disease in young children? When does this defect appear? What is the prognosis? |
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Definition
Defect on Chromosome 6 Appears in utero High fatality rate |
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Term
Which type of polycystic kidney disease is diagnosed in adulthood? |
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Definition
Autosomal Dominant Polycystic Kidney Disease (ADPKD) |
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Term
Which nerves will be affected with ADPKD (Autosomal Dominant Polycystic Kidney Disease)? |
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Definition
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Term
Which chromosome is affected with Autosomal Dominant Polycystic Kidney Disease in adults? |
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Definition
95% of the cases affect chromosome 16 5% affect a gene on chromosome 4 |
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Term
Which disease causes multiple dilation of collecting ducts that appear like fluid filled cysts? |
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Definition
Polycystic Kidney Disease |
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Term
How does polycystic kidney disease affect the kidneys? |
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Definition
PKD always activates the RAAS system which causes an increase in BP |
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Term
If the patient presents with HTN, a history of UTIs, back & flank pain, Hematuria, and scans showing bilaterally enlarged kidneys on scans, what condition do you suspect? |
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Definition
Polycystic Kidney Disease |
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Term
What are the infectious triggers of acute glomerulonephritis? (2) |
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Definition
Poststreptococcal Non-strep/Post-infection |
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Term
What are the bacterial triggers of acute glomerulonephritis? (4) |
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Definition
Infective Endocarditis Meningococcemia Pneumococcal Pneumonia Sepsis |
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Term
What are the viral triggers of acute glomerulonephritis? (3) |
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Definition
Hep B or C Mononucleosis Varicella |
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Term
What are the signs of abrupt onset acute glomerulonephritis? (esp urinalysis finding) |
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Definition
Hematuria Proteinuria Azotemia (NO3 waste) Renal sodium and water retention |
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Term
What is a key finding in the Bowman's space with Acute Glomerulonephritis? |
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Definition
damaged by fibrin deposition and crescent formation and a decrease in GFR |
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Term
If a patient presents with abrupt onset "coffee or smoky" urine, RBC and WBC casts in the urine, proteinuria, ascites, periorbital edema and lower extremity edema and a hx of streptococcal infection, what condition does this patient have? |
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Definition
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Term
How is acute glomerulonephritis definitively diagnosed? |
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Definition
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Term
Which renal condition is caused by activated inflammatory cells which create antibody-antigen complexes, deposition of complement and neutrophil & monocyte attraction causing lysosomal enzyme damage creating a more permeable membrane? |
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Definition
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Term
If a patient presents with viral sx, nausea, vomiting, HTN, edema, hematuria, proteinuria, and rising creatinine levels what condition do you suspect? |
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Definition
Rapidly Progressing Glomerulonephritis |
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Term
How is Rapidly Progressing Glomerulonephritis treated? |
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Definition
50% of pts require immediate dialysis, and 50% will need dialysis within the next weeks to months sodium and fluid restriction diuretics methylprednisone- helps 75% of patients |
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Term
Which disorder is characterized by slowly progressing deterioration in renal function characterized by persistent hematuria & proteinuria? |
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Definition
Chronic Glomerulonephritis |
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Term
Which condition is characterized by contracted, scarred kidneys, tubular atrophy and dilation and formation of antigen-antibody complexes? |
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Definition
Chronic Glomerulonephritis |
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Term
If a patient presents with edema, HTN, decreased renal function, scarring of the kidneys, hematuria, and proteinuria? |
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Definition
Chronic Glomerulonephritis |
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Term
What is the most likely cause of Chronic Glomerulonephritis? |
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Definition
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Term
What is the treatment for chronic glomerulonephritis? |
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Definition
long term dialysis renal transplantation |
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Term
With signs and symptoms including edema, altered immunity, hypercoagubility, hyperlipidemia, hypoalbuminemia and lipiuria, what condition would you suspect? |
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Definition
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Term
What diseases are related to the formation of Nephrotic Syndrome? How do they cause nephrotic syndrome? |
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Definition
Diabetic Nephropathy Amyloidosis They increase the permeability of the glomerular wall |
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Term
Why does hyperlipidemia occur with nephrotic syndrome? |
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Definition
The decrease in plasma albumin levels causes the liver to increase the synthesis of cholesterol, TGs and lipoprotein. |
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Term
What is the hypercoagublity associated with Nephrotic syndrome caused by? |
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Definition
Due to altered levels of clotting factors Increased aggregation of platelets Antithrombin III is secreted in the urine Hyperfibrinogenemia Impaired Fibrinolysis |
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Term
What can the loss of cholecalciferol in Nephrotic syndrome lead to? |
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Definition
vitamin D Deficiency Secondary Hyperparathyroidism hypocalcemia |
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Term
Which condition is characterized by sudden severe renal function with a decrease in GFR and a marked decrease in renal output over hours or days with azotemia? What is oliguric classified as, what is non-oliguric classified as? |
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Definition
Acute Renal Failure Oliguric - < 500ml/day Non-Oliguric > 7800ml/day |
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Term
What are the chronic factors that increase your risk for Acute Glomerulonephritis? |
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Definition
Pre-existing renal impairment Atherosclerosis HTN Diabetes Mellitus Heart Failure Chronic Liver impairment/failure Advanced age |
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Term
What are some of the conditions that cause PRERENAL acute renal failure? |
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Definition
Hypovolemia Hemorrhage Shock Ascites (Third Spacing) Burns Dehydration Decreased Cardiac Output Cardiogenic Shock Dysrhythmias Cardiac Tamponade CHF MI Thromboembolus of Renal Vasculature |
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Term
What are some of the conditions that cause POSTRENAL acute renal failure? |
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Definition
BPH Calculi UTI Tumors Strictures Neurogenic Bladder |
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Term
What are some of the conditions that cause INTRARENAL acute renal failure? |
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Definition
Antibiotics Contrast Media Heavy Metals (lead) Cytotoxic Drugs Ischemic ATN (Acute Tubular Necrosis) Prolonged Prerenal ARF Transfusion Rxn Rhabdomyolysis Nephrotoxic ATN (Acute Tubular Necrosis) Prolonged Postrenal ARF Carbon tetrachloride HUS - Hemolytic Urinic Syndrome |
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Term
Which type of ARF is caused by decreased perfusion to the kidneys, results in reversible oliguria, increased production of renin, angiotensin II and aldosterone leading to increased fluid retention? |
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Definition
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Term
Which type of ARF has oliguria, anuria, produces an increase in retrograde pressure within the kidney, bowman's capsule & glomerulus that can be reversed if obstruction is removed? |
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Definition
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Term
What type of ARF causes more derangement in the kidneys caused more commonly by Acute Tubular Necrosis (ATN), nephron damage that can take weeks to months to recover (may also progress into CRF)? |
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Definition
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Term
What are the stages of ARF? |
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Definition
Oliguric Phase Diuretic Phase Convalescent Phase |
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Term
How long does the Oliguric Phase of ARF last? What is the amount of urine output? What does this stage signify? |
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Definition
Lasts 1 - 2 wks Urine Output < 500 ml (Anuria occasionally results in < 50mL/24hr) Signifies extensive, severe tubular damage |
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Term
How long does the Diuretic Phase of ARF last? What is the amount of urine produced? What does this stage signify? |
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Definition
Last 2 days - 2 weeks Large amounts of dilute urine are produced Signifies restored tubular patency |
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Term
How long does the convalescent stage of ARF last? What does it signify? |
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Definition
Lasts 8 days to 1 yr Signifies full or partial recovery |
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Term
What are some lab findings that would signify ARF? |
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Definition
Urine (Casts, WBCs, Proteinuria, decreased osmolality) Increased serum electrolytes, PO4, decreased serum calcium, increased BUN/Cr Hyperkalemia Decreased Erythropoietin Production |
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Term
What condition is defined as GFR < 60mL/min for 3 months or more? |
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Definition
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Term
What is the treatment for ESRD (End Stage Renal Disease)? |
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Definition
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Term
What determines the amount of impaired renal function in chronic renal failure? |
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Definition
Degree of interstitial fibrosis determines the amount of impaired renal function |
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Term
What are the stages of CRF? |
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Definition
Decreased renal reserve Renal Insufficiency ESRD (End Stage Renal Disease) |
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Term
What stage of CRF has <75% nephron loss, normal BUN/Cr and is asymptomatic? |
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Definition
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Term
What stage of CRF has 75 - 90% nephron loss, polyuria, nocturia, and mild elevation in BUN/Cr? |
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Definition
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Term
Which stage of CRF has >90% nephron loss, azotemia, uremia, fluid and lyte abnormalities, as well as renal osteodystrophy? |
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Definition
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Term
In terms of GFR, what does a doubling of serum creatinine imply? |
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Definition
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Term
What state are pts who have CRF always in? |
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Definition
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Term
What is a danger of CRF particularly in DM pts? |
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Definition
Increased glucose level from carbohydrate intolerance |
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Term
What 2 bone conditions are caused by chronic renal failure? What is it caused by? What are the signs and symptoms of this bone condition? |
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Definition
Osteodystrophies include Osteitis fibrosa and osteomalacia; Osteitis fibrosa - hypocalcemia and hyperparathyroid state/ Osteomalacia - from impaired ability to form new bone tissue Bone Pain, Fractures, Vertebral Compression |
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Term
What are the 2 compartments in dialysis? By what process is dialysis accomplished by? |
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Definition
Bloodstream Dialysate Fluid Accomplished by osmosis and difusion |
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Term
What is the semipermeable membrane in peritoneal dialysis? What is a major complication of peritoneal dialysis? |
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Definition
The pts peritoneum Peritonitis |
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