Renal Flashcards
DM complicated by neuropathy and nephropathy which can lead to end stage renal disease. The risk of progression is reduced by appropriate glycemic and _________ control and the use of ______ such as lisinopril or ______ such as losartan
blood pressure
ACEI
ARBs
________ bias occurs when investigators misclassify data due to preconcieved expectations or prior knowledge concerning the study or its participants
observer
___________ and ____________ due to nephrotoxicity are common electrolyte disturbances in patients undergoing treatment with amphotericin B for disseminated fungal infection and can result in weakness and __________
hypokalemia
hypomagnesemia
arrhythmias
acidosis stimulates renal ________, a process by which renal epithelial cells metabolize _______ to glutamate, generating ammonium that is excreted in the urine and ______ that is absorbed into the blood.
ammoniagenesis
glutamine
HCO3
facial and periorbital edema, mild HTN, hematuria in a child post infection suggests _______ syndrome with a diagnosis of _______. On light microscopy, the glomeruli are enlarged and hypercellular, IF studies reveal _______ of IgG, IgM and C3 along the BM and in mesangium. IMmune complexes are seen as electron dense deposits in electron microscopy on the ________ side of the basement membrane
nephritic
poststreptococcal glomerulonephritis
granular deposits
epithelial
young child with generalized edema, massive proteinuria after an URTI likely has ______, which is the most common cause of ________ syndrome in ages 2-6. Caused by immune dysregulation, an overproduction of golmerular permeability factor (cytokine that directly damages ________ and decreases the ___________ charge of GBM), which leads to a selective loss of _____ in the urine.
minimal change disease
nephrotic
podocytes
anionic
albumin
inadequate canalization of the ____________ is the most common cause of unilateral feta hydronephrosis
ureteropelvic junction
fever, rash, acute renal failure (inc creatinine, oliguria) occurring within a few weeks of starting a beta lactam antibiotic (ampicillin) is highly suggestive of _________. Peripheral eosinophilia and eosinophiluria are important clinical cues.
Other drugs involved
acute interstitial nephritis
quinolone antibiotics, NSAIDs, sulfonamides, rifampin, diuretics
the blood supply to the proximal ureter comes from _______, whereas the distal ureter is supplied by _______
renal artery
superior vesical artery
in the setting of acute hemorrhage (MVA), patients are at risk for _______, which has 3 phases: an initiation phase, a maintenance phase, and a ________ phase characterized by ___________
acute tubular necrosis
initiation
maintenance
recovery
re epithelization of tubules
digoxin is a cardiac glycoside that is predominantly cleared by the ______.
kidneys
patient with pulmonary and peripheral edema due to HF and CKD experiencing hearing problems is most likely being treated with ________, which inhibit Na/K/2Cl symporters and runs the risk of causing ________
loop diuretics (furosemide)
ototoxicity
aldosterone receptor antagonists like _____________ inhibit resorption of Na, H20 and allow resorption of _____ and ______
spironolactone, eplerenone
H+, K+
__________ rejection is seen in the first 6 months after renal transplant and can be antibody or _____ mediated. Acute cellular rejection is associated with diffuse lymphocytic infiltrate of the renal vasculature, tubules, and interstitium
Acute
cell
____________ occurs when tumors with a high cell turnover are treated with chemotherapy. One of the major ions released is ____, which is soluble at physiologic pH but can precipitate in the acidic environment of the _______ and _______.
prevented with urine _______ and hydration
tumor lysis syndrome
uric acid
distal tubules and collecting ducts
alkalinization
patients with MS often develop a _________ a few weeks after developing an acute lesion of the spinal cord. These patients present with urinary frequency and urge incontinence. Urodynamic studies show the presence of ___________ due to the presence of an _____ lesion
spastic bladder
bladder hypertonia
UMN
increased ______ activity in multiple myeloma leads to ______ serum calcium, _________ parathyroid hormone, _________calciuria. hypercalcemia and light chain cast nephropathy cause progressive ________, leading to _________ 1,25dihydroxyvitamin D synthesis
osteoclastic
elevated
reduced
hypercalciuria
renal failure
reduced
selective vasoconstriction of the efferent arteriole causes an _______ in GFR and an _______ in FF. FF will also _______ with efferent arteriole constriction, whereas GFR will be begin to _______ as the arteriole becomes more constricted
increase
increase
increase
decrease
______ renal allograft rejection manifests months to years after transplantation and presents with worsening HTN and a slowly progressive rise in _______. it is mediated by a chronic, indirect immune response against donor alloantigens and results in _________ intimal vascular thickening and kidney atrophy
chronic
creatinine
obliterative
the ____________ is highly permeable to water, while the _____________ is impermeable to water regardless of serum vasopressin levels.
descending loop of Henle
ascending loop of Henle
inulin is a ________ substance. THe net excretion rate of a freely filtered substance =
freely filtered
clearance)(plasma concentration) - (tubular reabsorption
most ________________ also known as clear cell carcinomas originate from the epithelial cells of the proximal renal tubules
composed of?
renal tumors from collecting duct cells? Look like?
renal cell carcinoma
polygonal cells with abundant clear cytoplasm
Renal oncocytomas, large well differentiated cells that contain numerous mitochondria
____________ is responsible for 90% of the tumors involving the renal pelvis, and often forms __________ composed of urothelium supported by a thin fibrovascular stalk
Transitional cell carcinoma
papillary tumors
ADH or vasopressin acts on the __________ to increase urea and water reabsorption, allowing for the production of maximally concentrated urine
medullary segment of the collecting duct