Random Recall Part 1 Flashcards
Egfr range that vascular access should be considered
20-25
level of GFR (ml/min/1.73m2) does insulin resistance become deranged in uremic carbohydrate metabolism
50
Biopsy of skin tissue showed fibroblast- like cell that stained with procollagen I and CD34
Nephrogenic Systemic Fibrosis
bone biopsy: Histologic results show increased rate of bone formation, increased bone resorption, extensive osteoclastic and osteoblastic activity and progressive increase in endosteal peritrabecular fibrosis
Osteitis Fibrosa Cystica
hormonal dysfunction leads to sexual dysfunction in both males and female patients with CKD
increase prolactin
average latency period (in days) before the onset of nephritis in postpharygitic cases of post streptococcal glomerulonephritis
7-21 days
type of membranoproliferative GN is a retinal examination indicated
Dense Deposit Disease
minimum adequate amount of specimen needed for transplant biopsies
10 glomeruli 2 arteries
parasitic disease cause glomerular involvement owing to reduced expression of complement receptor 1
Malaria
antihypertensive medications used in pregnancy has been associated with fetal growth restriction
Atenolol
physiologic mechanisms during pregnancy exacerbates renal damage in patients with preexisting renal disease
Increase RBF and GFR
primary mechanism of water, sodium, and chloride transport in the descending thin limb of the Loop of Henle
passive diffusion
renal tumor can cause excess aldosterone leading to hypertension and hypokalemia
renal juxtaglomerular tumor
type of renal angiomyolipoma that is known to be locally aggressive, have the ability to metastasize, and tend to recur
epithelioid
asymptomatic microscopic hematuria
more than 3 RBC/HPF in at least two of three samples
pathophysiologic mechanism of Cisplatin-induced AKI
tubular toxicity
renal autoregulation works until a mean systemic arterial blood pressure of
80 mmhg
most important substance produced by the endothelium for BP regulation
nitric oxide
30% of NaCl reabsorption occur
loop of henle
transcellular NaCl via a Cl-OH exchanger in the proximal tubule is mediated by which protein
SLC26A6
vasopressin in NaCl transport in the TAL
apical Na K 2Cl cotransport
major mechanism of potassium transport in proximal tubule
paracellular pathway
estrogen in Calcium transport
decrease urine ca excretion
primary collagen producing cells during kidney injury
myofibroblasts
hematuria secondary to pigment nephropathy
positive for blood and urine RBC is 0-2/hpf
layer of the peritoneum is duplicated after long-term peritoneal dialysis (PD) treatment or ex- posure to a high glucose concentration
Submesothelial basement membrane
minimum ultrafiltration volume (ml) needed to determine ultrafiltration failure in a PD patient who undergoes peritoneal equilibration test (PET)
400
benefits of icodextrin use
Better lipid profile, lower mortality, regression of LVH
level of GFR (ml/min/1.73m2) does insulin resistance become deranged in uremic carbohydrate metabolism
50
laboratory test can be used as an index for monitoring the evolution of renal osteodystrophy and serves as a surrogate measure of bone turnover
Parathyroid hormone
disorder shows progressive hypertrophy and hyperplasia of the parathyroid hormone and is one of the hallmarks of disordered mineral metabolism in CKD
tertiary hyperparathyroidism
primary mechanism of water, sodium, and chloride transport in the descending thin limb of the Loop of Henle
passive diffusion
marked renal physiologic change induced by hypokalemia
NaCl retention
Na cotransporter affected in pseydohypoaldosterinusm type II (Gordon syndrome)
NCC
transport channel affords the ability to increase reabsorption of sodium within the CCD without affecting potassium secretion
Thiazide sensitive NCC
hypoK, low renin, high aldo
primary hyperaldosteronism
treatment of PA
sprinoloctone
Treatment for PHA I
NaCl
hyperK, high renin, high aldo
Pseudohypoaldosteronism
hyperK low renin low aldo
hypreninimec hypoaldo
treatment of hyporenin hypoaldo
loop diuretics
stimulates sodium reabsorption in the thick ascending limb
Vasopressin, PTH, glucaogon, calcitonin, B adrenergic agonist
1, alpha, 25(OH)D decrease/increase expression of calbindin D
increase
The parathyroid hormone decrease/increase the activity of TRPV5 channels
increase
Furosemide activates/inhibits NaK2Cl cotransport type 2
inhibits
Ca sensing receptor activation inhibits/activates NKCC2 activity
inhibits
DIalysis water contaminant causing cardiac arrhythmia and death
fluoride
dialysis water contaminant causing osteomalacia, microcytic anemia, dialysis associated encephalopathy – dementia and movement disorder
Aluminum
most frequent cause of early recurrence of primary disease in post-transplant patients
FSGS
increased production of cytokines by renal cell carcinoma causing abnormal liver function test
Stauffer’s syndrome
most common cell origin of renal cell carcinoma
proximal tubule - clear cell
primary phenotypic structural lesion in PKD lies in this cellular organism
cilium
radiologic feature that best predicts the rate of decline of kidney function
baseline kidney volume
treatment of salicylate poisoning
hemodialysis
granular cells that contain renin and its precursor are found in
afferent arteriole
segment of the renal circulation which has the highest hydraulic pressure
arcuate artery
Decrease in Colloid Osmotic pressure leads to inc/dec in SNGFR
Increase in SNGFR
30% of the filtered NaCl is reabsorbed in this segment via the Na-K-2Cl co-transporter.
Loop of Henle
the site of the glomerulotubular balance wherein the fractional reabsorption of Na increases as the GFR increases
proximal tubule
Reabsorption of filtered Na occurs in this segment via the Na-H exchange transporter.
proximal tubule
About 10% of the filtered NaCl is reabsorbed in this segment via the NaCl co-transporter (NCC).
DCT
Reabsorption of Na without Cl occurs in this segment via the highly selective epithelial Na channel (ENaC).
CCD
Regulated K secretion occurs in the principal cells of this segment
CCD
major site of tubular Mg reabsorption.
Loop of henle
major site of tubular phosphate reabsorption
proximal tubule
HCTZ will increase/decrease Ca reabsorption in the proximal tubule
increase Ca reabsorption
major regulator of renal phosphate handling
PTH
Most of the bicarbonate reabsorption in the proximal tubule involves this transporter.
NHE
Bicarbonate secretion into the tubular lumen via the bicarbonate-Cl exchanger (pendrin) occurs in the
Type B intercalated Cells
metabolism of this amino acid leads to the formation and secretion of two ammonium (NH4) ions and the formation and reabsorption of two bicarbonate ions.
Glutamine
Pregnancy has inc/dec AQP2
increase
chief site of dilution of the urine regardless of vasopressin (ADH) activity
loop of henle
the major solute that accounts for the medullary hypertonicity
urea
“Hyperdynamic Circulation Theory” postulates that sodium and water retention in cirrhosis is brought about by increased production of this substance
Nitric Oxide
Acute Kidney Injury (AKI) caused by hypercalcemia
intrarenal vasoconstriction
electrolyte abnormality is commonly associated with aminoglycoside and cisplatin induced Acute Tubular Necrosis (ATN)
hypomagnesemia
mechanism involved in Uric Acid -induced ATN
direct tubular toxicity
biomarker may be used to differentiate pre-renal AKI from ATN
NGAL
most sensitive index in differentiating pre-renal AKI from ischemic ATN
FeNa
Drug that may increase GFR in AKI
natriuretic peptide
the KDOQI guidelines, what is the maximum duration for using an internal jugular (IJ) vein catheter to minimize the risk of infection
2 weeks
action of Fenoldopam in the management of AKI
renal vasodilation’; selective dopamine agonist
Decreased GFR in patients with DM nephropathy is due to
decrease in filtration sruface from mesangial expansion
optimal renoprotective dose of Losartan in DM nephropathy
100 mg/day
most appropriate treatment modality for asymptomatic bacteriuria in elderly patients without renal or urologic abnormalities
no treatment needed
The rate of decrease in creatinine clearance in elderly patients is
0.8 ml/min/1.73 m2
Hyponatremia in the elderly is due to
enhanced osmotic AVP release.
Restriction of potassium intake should start when the estimated GFR is below
30 ml/min
vitamin is contraindicated in Chronic Kidney Disease (CKD)
Vitamin E
confirmatory test for the diagnosis of Acute Interstitial Nephritis
Hansel staining for eosinophils in the urine
complication of chronic analgesic abuse
renal papillary necrosis
Down-regulation of the Aquaporin 2 channels in the collecting tubules due to Lithium Toxicity leads to
Nephrogenic DI
nephritogenic type of Group A Streptococci lead to nephritis after either a pharyngitis or pyoderma
M type 49
the presence of adventitial and periadventitial fibrosis would be consistent with
radiation nephritis
Renal medullary carcinoma associated with
sickle cell disease
the most common cause of renal failure in patients with sickle cell disease
FSGS
drug would directly damage the endothelium causing renal artery thrombosis
cocaine
most common type of renal artery aneurysm, arising at bifurcation of renal artery
saccular renal artery aneurysm
most common virus causing hemorrhagic cystitis in schoolchildren
adenovirus
seen in malakoplakia and not in xanthogranulomatous pyelonephritis
Michaelis Gutmann bodies
Michaelis Guttman bodies are found in
Macrophages
uremic toxin that inhibits nitric oxide
methylated arginines
Vitamin D2 and D3 bind to vitamin D-binding protein and circulate to the liver where it is hydroxylated to:
25(OH)2D
inhibits extraskeletal calcification
MGP
induces vascular calcification
BMP2
most frequent cause of inadequate response to recombinant human erythropoietin administration is
iron deficiency
Erythropoietin exerts its greatest influence on which of the erythrocyte progenitor.
CFU-E
Maximal fluid removal occurs during the first 8 to10 minutes of a PD dwell. This is due mostly to:
ultrapores
major site of resistance to peritoneal transport is provided by the:
peritoneal endothelium and basement membrane
contribution of a capillary to peritoneal transport depends on its proximity to the mesothelium.
distributive model for peritoneal transport
Hypervascular peritoneal
membrane
Type 1 UF
. Excess lymphatic absorption
Type 3 UF
Reduced peritoneal surface area
Type 2 UF
The most common type of bone disease found in PD patients is:
Adynamic bone disease
Clearance of small molecular weight substances in HD
blood flow
Clearance of small molecular weight substances in HD
membrane permeability
dialyzer property determines the permeability of the membrane to high-molecular-weight substances and the degree of biocompatibility.
hydrophobic/hydrophilic properties of the membrane
agent associated with hemolysis and Heinz-body hemolytic anemia.
choramines
The anti-CD52 monoclonal antibody alemtuzumab may be associated with acute rejection at a time corresponding to the repopulation of his T cell repertoire at what time period
6 months
anti-IL2R monoclonal antibody is targeted therapy against
activated cells
immunosuppression is recommended because it reduces the risk for reactivation of HCV
cyclosporine