GU Flashcards

1
Q

what can a small dose (2.5-5 mg) of lisinopril do

A

encourage kidneys to work & lower BP

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2
Q

if someone has VRE they must have this

A

foley

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3
Q

types of meds that are nephrotoxic

A
antibiotics
chemo drugs
anti-cholinergics
anti-depressants
anti-htn
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4
Q

two street drugs that cause renal failure

A

heroin and cocaine

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5
Q

in what disorder do people have cysts on their kidneys and a decreased kidney function

A

polycystic kidney disorder

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6
Q

an increase in BUN & creatinine can cause what

A

confusion

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7
Q

a metabolic problem results in what type of compensation

A

respiratory (Kussmaul’s respirations)

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8
Q

extreme losses of what electrolyte can cause metabolic alkalosis

A

potassium

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9
Q

signs of fluid overload

A

edema, crackles, JVD, pallor, periorbital edema, increased HR & BP

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10
Q

signs of fluid defecit

A

dry mucous membranes, decreased BP, increased HR, poor skin turgor

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11
Q

signs of hyperkalemia

A

EKG changes: spiked T-wave

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12
Q

signs of hypokalemia

A

muscle spasms/cramps, bradycardia, pauses in heart beats, arrhythmias

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13
Q

what do calcium channel blockers do to the renal system

A

increase glomerular filtration rate

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14
Q

causes of metabolic acidosis (2)

A
  • decreased bicarb (base) excreted from damaged kidneys

- use of lasix: gets rid of too much base

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15
Q

where does ADH come from and what is its function

A

the pituitary, increases BP by triggering thirst

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16
Q

where does aldosterone come from and what is its function

A

the adrenal glands, retains Na (increases BP) and helps get rid of K

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17
Q

what may cause anemia in a renal pt

A

issues with erythropoietin

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18
Q

med that helps make RBCs

A

epogen

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19
Q

what BP med may cause renal failure

A

ACE inhibitors

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20
Q

where is blood shunted in anemic pts

A

most important organs

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21
Q

where is the last active stage of vitamin D released

A

the kidneys

22
Q

calcium has an inverse relationship with

A

phosphorus

23
Q

if Ca is increased then phosphorus will be

24
Q

an increased BUN may cause

25
normal BUN
8-25
26
what may increase BUN
excessive protein ingestion
27
normal creatinine
woman: 0.5-1.1 man: 0.6-1.2
28
normal BUN/creatinine ratio
10:1-20:1
29
a BUN/creatinine ratio of greater than 20:1 indicates what
dehydration
30
normal potassium
3.5-5, usually increased in renal pt
31
normal sodium
135-145, increases due to a decreased fluid volume
32
normal hgb
woman: 14-16 man: 15-17
33
normal hct
woman: 42-48 man: 45-51
34
h&h may be increased due to
a volume issue, kidneys not functioning
35
normal specific gravity
1.003-1.03
36
specific gravity increases due to
DM, fluid volume deficit
37
specific gravity decreases due to
glomerular nephritis, renal damage
38
normal creatinine clearance (amt body clears in one min)
above 60 (also called GFR)
39
a creatinine clearance (GFR) of less than what indicates renal failure
less than 15
40
purpose of ultrasound
check for infection/size of organ
41
purpose of CT scan
check for inflammation
42
3 questions to ask before giving CT contrast
renal insufficiency? allergies? diabetic?
43
what to do before giving someone with a renal insufficiency contrast
give mucomist or bicarb with fluids
44
what to do before giving someone contrast who has an allergy to it
prepare ahead of time by giving pepcid, benadryl, or prednisone
45
medication that diabetics cannot take for at least 48 hours after getting contrast
metformin
46
before a pt has a nuclear scan they must have these 2 things
``` IV access adequate hydration (before and after) ```
47
kidney biopsy checks what
function of the organ at the cellular level
48
what needs to be done after a kidney biopsy
a pressure dressing
49
normal RBC
men: 4.5-5.4 x 10^6 women: 4-5 x 10^6
50
normal platelet count
150,000-450,000