NRNP 6550 Final Exam- Questions with 100% Answers verified solutions
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Course
NRNP 6550
Institution
NRNP 6550
NRNP 6550 Final Exam- Questions with 100% Answers verified
solutions
NRNP 6550 Final Exam- Questions with 100% Answers verified
solutions
NRNP 6550 Final Exam- Questions with 100% Answers verified
solutions
NRNP 6550 Final Exam- Questions with 100% Answers verified
solutions-
1. Urine culture with UTI: 100.000 colonies in asymptomatic: bacteruria
10 - 10.000 colonies in symptomatic patients but also pyuria
pyuria: more than 10 leukocytes
elevated erythrocytes with pyelonephritis
WBC in urine
false positive with tumor, urethritis and poor collection technique
Repeat in pregnant women
2. Lower urinary tract UTI and upper urinary tract UTI: bladder and urethra:
cystitis/ urethritis/ prostatitis
kidney and ureters: pyelonephritis/ renal abcess
3. Uncomplicated and complicated uti: Uncomplicated: in normal working urinary
tract
Complicated: defects in urinary tract or with other health problems
4. Common pathogens for UTI: E.coli (elderly women)
Staphylococcus
proteus mirabilis (elderly men)
Klebsiella
enterecoccus
pseudomonas
Providencia (institutionalized)
Fungus: candida
5. Risk factors for UTI: Female
critically ill
elderly
catheter (caused by biofilm)
DM
calculi, tumor, stricture
neurogenic bladder
Women:
sexual intercourse or new sex partner
pregnancy
previous UTI
Men:
prostate enlargement
prostatitis
lack of circumcision
, NRNP 6550 Final Exam- Questions with 100% Answers verified
solutions-
gay
HIV
6. Findings UTI: Lower:
Dysuria/ urgency/ frequency/ incontinence
suprapubic pain
hematuria
fever/ chills uncommon
No flank pain
Upper:
flank pain
fever and chills
hematuria
n/v
ams (in elderly)
malaise
tachycardia/ tachypnea
7. Testing and results for UTI: Gold standard: urine culture and sensitivity: detec-
tion of bacteria. Start with POC: urine analysis.
UA: pos for nitrite or leukocyte or blood
CBC: leukocyte with left shift in pyelonephritis
For recurrent UTI in women or UTI in men rule out obstruction, calculi, or necrosis
with:
xr voiding
CT abdomen
US pelvis
MRI pelvis
8. Management acute cystitis: First line:
- Single dose Fosfomycin (monurol)
- 3 day: sulfa: trimethoprim/ sulfa (bactrim) (do not give near delivery of baby, give
cephalexin instead) or sulfa
- 5 days: nitrofurantoin, caution in elderly
Second line:
- qiunolones: ciprofloxain or levofloxacin for 3 days (not for pregnant women!)
- B-lactams: amoxi-clav, cefdinir for 3 - 7 days
9. Management uncomplicated upper UTI: Outpt:
quinolone: ciprofloxacin for 7 days or levofloxacin for 5 days
Sulfa: trimethoprim/ sulfa (bactrim) for 14 days
, NRNP 6550 Final Exam- Questions with 100% Answers verified
solutions-
Inpt:
Ceftriaxone or cefotaxime
Ampicillin
CAUTI:
bacterial: treat with AB for 7 days
Candiduria: fluconazole for 14 days
Discomfort: Pyridium
10. Management acute complicated bacterial pyelonephritis: - Admit
- Aminoglycosides: gentamicin/ tobramycin (not for monotherapy), based on renal
function (trough less than 2 and peak level 5-10mg/L) and do not give for CKD
- Ampicillin
- Cefazolin
- Cefotaxime and Ceftriaxon based on obesity and pulm disease
11. Urine analysis: glucose and ketones: Serum glucose at least 180mg/dl for
glucose to appear in urine
Glucose in ua caused by:
- Fancone Syndrome (bad wall: caused by ahminoglycosides for example)
- DM
- Cushing's
- Vit C can give false negative
Ketones in urine:
- Alcohol
- Diabetic
- Starvation
12. Acute Kidney Injury: -Acute renal function loss with inability to excrete meta-
bolic waste products (urea nitrogen and creatinine) to inability to maintain fluid and
electrolyte balance.
- Resolves within 3mo
- classified with RIFLE or etiology
13. RIFLE: Risk: creatinine up x 1.5 from baseline, GFR decrease more than 25%
and UO less than 0.5ml/kg/hr for 6hr
Injury: creatinine up x 2 from baseline, GFR decrease more than 50% and UO less
than 0.5ml/kg/hr for 12hr
, NRNP 6550 Final Exam- Questions with 100% Answers verified
solutions-
Failure: creatinine up x 1.5 from baseline, GFR decrease more than 25% and UO
less than 0.3ml/kg/hr for 12hr or anuria for 12hr
Loss: Complete loss of renal function for more than 4 weeks
End-stage Kidney Disease: RRT need for more than 3mo
14. Prerenal renal failure: Most often the cause of RF
- Decreased blood supply; intravascular volume depletion, vasodilatory states
- Increased tubular sodium and water reabsorption, causing: oliguria, decreased
urine sodium, high urine osmolality, increased urine specific gravity
Result:
- low urine volume
- increased urine creatinine with normal serum creatinine
- minimal proteinuria
- serum K moderately increased
- serum phos moderately increased
- serum calcium normal
- normal renal size on US
4. Low Na+
5. Low H2O
6. High osmolality (500 and up)
7. High uric acid
8. Specific gravity: greater than 1,010
9. Urinary sodium: less than 20
10. Sediment*: 0 (hyaline casts)
11. BUN/ creat ratio: greater than 10/1
15. Intrarenal: Cause:
- Ischemia or nephrotixic injury (rhabdo, multiple myeloma, aminoglycosides,
chemo, contrast)
- Necrosis (acute tubular necrosis ATN) (prolonged hypotension, low CO, liver
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