B4-053 Renal Artery Stenosis

Question 1

renovascular hypertension leads to an increase in what lab values?

2

Answer 1

• plasma renin
• aldosterone

Question 2

renovascular hypertension is caused by continuous activation of the

Answer 2

RAAS system

Question 3

an ACE inhibitor will reduce levels of

Answer 3

angiotensin II

Question 4

abdominal bruit

Answer 4

renal artery stenosis

Question 5

if renal artery stenosis is suspected, the best intial step is

imaging

Answer 5

renal ultrasound with doppler

Question 6

if renal artery stenosis is bilateral, what therapy is contraindicated?

may exacerbate renal insufficiency

Answer 6

ACE inhibitors

Question 7

confirm diagnosis of renal artery stenosis via

Answer 7

ultrasound

Question 8

renal artery stenosis results in […] in GFR

Answer 8

decrease

Question 9

renal artery stenosis […] the hydrostatic pressure in the glomerulus

Answer 9

decreases

Question 10

the activation of the RAAS system leads to […] retention

Answer 10

sodium

Question 11

renal artery stenosis will lead to a plasma increase in

CMP value

Answer 11

creatinine

Question 12

risk factors for renal artery stenosis

3

Answer 12

• DM
• high cholesterol
• high TG

Question 13

renal artery stenosis will produce hypertension via activation of

Answer 13

RAAS

Question 14

urea increases in the […] in CKD

Answer 14

blood

Question 15

the obstruction caused by renal artery stenosis will cause

2

Answer 15

• decrease in blood hydrostatic pressure in glomerulus
• lowered glomeruluar filtration rate

Question 16

renal artery stenosis causes GFR to

Answer 16

decrease

Question 17

increased aldosterone causes higher reabsorption of

2

Answer 17

Na+
H2O

Question 18

renal damage secondary to renal artery stenosis causes plasma […] levels to increase

Answer 18

creatinine

Question 19

usually found in young females

Answer 19

fibromuscular dysplasia

Question 20

positive Buerger’s test

Answer 20

patient’s feet become white on elevation

Question 21

in renal insufficiency, plasma creatinine is elevated due to

Answer 21

low GFR

Question 22

• recent elevated BP
• abdominal bruit

Answer 22

renal artery stenosis

Question 23

directly activates Na+ reabsorption in the renal proximal tubule

Answer 23

angiotensin II

Question 24

increased Na+ reabsorption in the renal distal tubule

Answer 24

aldosterone

Question 25

induces K+ secretion

Answer 25

aldosterone

Question 26

what is one of the most likely fist signs of renal insufficiency?

Answer 26

low GFR

Question 27

reduce the conversion of angiotensin I to angiotensin 2

Answer 27

ACE inhibitors

Question 28

reduce angiotensin II and aldosterone levels in blood

Answer 28

ACE inhibitors

Question 29

best therapy for renal artery stenosis

Answer 29

stent

Question 30

in renal artery stenosis, teh oncotic pressure in plasma and glomerular capillaries

Answer 30

remains unchanged

Question 31

results in lower blood flow to the kidney and renal peritubular capillaries

Answer 31

renal artery stenosis

Question 32

bruit is caused by

Answer 32

turbulent blood flow

Question 33

renal insufficiency results in increased […] and […] in plasma

Answer 33

creatinine and urea