RENAL DISORDER Flashcards
Which of the following is a feature of proximal RTA?
A. Acidic urine
B. Alkaline urine
C. Inability to secrete H+
D. Nephrocalcinosis
A. Acidic urine
A 15-year old male was diagnosed of Ewing sarcoma. He underwent chemotherapy with Ifosfamide. He came in today for his 3rd cycle of chemotherapy but he complained of sudden onset of weakness of both lower extremities. You requested for a stat serum K, which was low at 2.3 mmol/L. You are considering Fanconi syndrome. Which of the following is NOT part of the syndrome?
A. Acidic urine
B. Distal RTA
C. Low-molecular weight proteinuria
D. Phosphaturia, aminoaciduria, glycosuria, uricosuria, and elevated urinary sodium or potassium
B. Distal RTA
Fanconi syndrome:
Proximal RTA
nelson: characterized by low-molecular-weight proteinuria, glycosuria, phosphaturia, aminoaciduria, and proximal RTA
This particular diagnostic tool is commonly used in Hemolytic Uremic Syndrome
A. Renal Ultrasound
B. Kidney Biopsy
C. Clinical Criteria
D. Stool exam
C. Clinical Criteria
nelson:
Kidney biopsies are only rarely performed in HUS because the diagnosis is usually established by clinical criteriaand the risks of biopsy
are significant during the active phase of the disease.
Which of the following scenarios point to acute kidney injury as defined by KDIGO?
A. An intubated adolescent for PCAP D who was anuric for 10 hrs already
B. A 3-year old child admitted for AGE with severe
dehydration who’s repeat serum creatinine was 1.5mg/dl (baseline serum creatinine 1mg/dl).
C. A 5-year old child admitted for dengue severe who’s urine output is 0.3mg/kg/hr in 3 hours.
D. A 10-year old child admitted for sepsis with an increase in serum creatinine of 0.2mg/dl
B. A 3-year old child admitted for AGE with severe
dehydration who’s repeat serum creatinine was 1.5mg/dl (baseline serum creatinine 1mg/dl).
SG, 10 year old/F came in due to dysuria and suprapubic pain. The following is/are true of SG’s condition:
A. Results in renal injury
B. Always present with fever
C. Caused by ascending infection
D. Some children will present with occasional diarrhea
C. Caused by ascending infection
Water and electrolytes are freely filtered at the level of the glomerulus. Which part of the tubule is the site of
most sodium reabsorption?
a. Distal tubule
b. Loop of Henle
c. Collecting duct
d. Proximal tubule
d. Proximal tubule
A 7-year old child came in due to fever, rash, and arthralgia. He had a history of PCAP 2 weeks ago wherein he was given Amoxicillin with good compliance. One day PTC, mother noted fever hence self-medicated again with Amoxicillin. This morning, he developed a maculopapular rash and joint pains. You suspect acute interstitial nephritis. What is the most appropriate treatment?
a. Perform immediate dialysis
b. Eliminate the suspected causative agent.
c. Perform renal biopsy to confirm diagnosis
d. Administer corticosteroids to prevent the progression acute kidney injury.
b. Eliminate the suspected causative agent.
The following diseases commonly presents with hematuria:
a. Goodpasture’s syndrome
b. Minimal Change Disease
c. Post Streptococcal Glomerulonephritis
d. Rapidly Progressive Glomerukonephritis
c. Post Streptococcal Glomerulonephritis
This particular renal disease is commonly associated with hypoxic or ischemic insults to neonates .
A. Cortical necrosis
B. Renal vein thrombosis
C. Toxic Acute Kidney Injury
D. Thin Basement Membrane
Disease
A. Cortical necrosis
An 8-year old boy came in at the ER with a chief complaint of gross hematuria. This was noted 2 days after he had URTI. Pertinent physical examination revealed stage 1 hypertension and periorbital and bipedal edema. The rest of the PE was unremarkable. You are considering IgA nephropathy. Which is a feature of the disease?
a. Low serum C3
b. Elevated serum IgA
c. Nephrotic-range proteinuria
d. Rapid progression is common
c. Nephrotic-range proteinuria
serum C3-normal
serum IgA-not helpful; elevated only in 15% of patients
rapid progression-rare
A 12-year oldchild was referred to you due to recurrent episodes of hematuria.Which of the following is NOT part of your differential diagnosis?
a. PSGN
b. IgA Nephropathy
c. Alport syndrome
d. Thin basement membrane
disease
a. PSGN
Which of the following is TRUE of UTI?
a. Imaging is needed to make the clinical diagnosis of UTI or pyelonephritis.
b. If the culture shows > 50,000 colony-forming units/mL of a single pathogen(suprapubic or catheter sample) and the urinalysis has pyuria or bacteriuria in asymptomatic child, the child is considered to have a UTI.
c. It is recommended to start antibiotic prophylaxis in children with a first episode ofpyelonephritis.
d. All of the above are correct.
b. If the culture shows > 50,000 colony-forming units/mL of a single pathogen(suprapubic or catheter sample) and the urinalysis has pyuria or bacteriuria in asymptomatic child, the child is considered to have a UTI.
Which of the following associations is INCORRECT?
a. Atrial natriuretic factor: sodium excretion
b. Angiotensin II: increase sodium reabsorption
c. Aldosterone: increase potassium reabsorption
d. Norepinephrine: decrease filtered sodium load
c. Aldosterone: increase potassium reabsorption
5-year old child was brought to the ER due to sudden onset of pallor, weaknessand anuria. She was treated for AGE with some dehydration 5 days prior.Laboratory findings include elevataed serum BUN and creatinine, anemia andthrombocytopenia. Which of the following is part of its management?
a. Platelet transfusion
b. Start Metronidazole IV
c. Monitoring of potential complications
d. All of the above.
c. Monitoring of potential complications
The following are TRUE regarding toxic nephropathy EXCEPT
a. Treatment is supportive.
b. Pharmacologic agents are the most common cause.
c. Contrast agents cause direct tubule cell injury and renal vasoconstriction.
d. Diminished urine output is the hallmark of contrast-induced nephropathy.
d. Diminished urine output is the hallmark of contrast-induced nephropathy.
A 17-year old male was seen at the ER due to elevated creatinine and hypertension. He had recurrent episodes of gross hematuria but otherwise asymptomatic. He also complained of new onset visual and hearing problems. His father and uncles on the paternal side are on hemodialysis of unknown cause.
Which of the following is TRUE of the disease?
A. Gross hematuria is the most prominent feature of the
disease.
B. The risk of progression is highest in patients with X-linked inheritance.
C. The most common cause is mutation in the genes coding for COL4A3 and COL4A4.
D. The presence of hematuria, anterior lenticonus, sensorineural deafness is enough to make the diagnosis.
D. The presence of hematuria, anterior lenticonus, sensorineural deafness is enough to make the diagnosis.
An 8-year old boy was brought to the ER due to edema. He presented with tea-colored urine 4 days ago and periorbital and bipedal edema 1 day PTC. No consult was done. No medication was given. There was no history of fever, LBM, vomiting, rashes, sore throat, cough. Pertinent physical findings include hypertension, periorbital and bipedal edema, clear breath sounds, with multiple healed skin lesions on his lower extremities. Which is NOT an expected course of the disease?
A. Persistently low serum C3
B. Acute phase will resolve in 6-8 weeks.
C. Persistent microscopic hematuria can persist for 1-2
years
D. Urinary protein excretion and hypertension normalize by 4-6 weeks.
A. Persistently low serum C3
The gold standard in measuring kidney function is
A. Iohexol
B. Cystatin C
C. Serum creatinine
D. Inulin clearance
D. Inulin clearance
What is the estimated GFR in a 10-year old child with a height of 130cm and serum creatinine of 2mg/dl?
A. 26 ml/min/1.73m2
B. 28 ml/min/1.73m2
C. 30 ml/min/1.73m2
D. 31 ml/min/1.73m2
B. 28 ml/min/1.73m2
For extraglomerular hematuria, the 1st step in evaluating your patient would be:
A. do renal ultrasound
B. request for urine culture
C. do urinalysis of siblings, parents
D. request for serum protein and creatinine
B. request for urine culture
Membranous nephropathy is one of the most common causes of nephrotic syndrome in adults. Which of the following is the most common cause?
a. SLE nephritis
b. Chronic hepatitis B
c. Congenital syphilis
d. All of the above
d. All of the above
True of Membranoproliferative Disease EXCEPT:
a. poor prognosis
b. low C3 levels
c. male and female predilection
d. local features provide the type
of MPGN
d. local features provide the type
The most common cause of hematuria in children is:
a. UTI
b. PSGN
c. IgA Nephropathy
d. Nephrolithiasis
a. UTI
Anti-GBM nephritis is characteristic of this renal disease:
a. RPGN
b. HSP Nephritis
c. Alport syndrome
d. SLE Nephritis
c. Alport syndrome
Goodpasture’s Disease involves the following triad EXCEPT:
a. Pulmonary hemorrhage
b. Rapidly progressive GN
c. Elevated Anti-GBM Ag titers
d. Linear disposition of Immunoglobulin G
c. Elevated Anti-GBM Ag titers
Abnormally split and laminated glomerular basement membrane is characteristic of this renal disease:
A. Alport syndrome
B. Membranous nephropathy
C. Goodpasture’s syndrome
D. Thin basement membrane
disease
A. Alport syndrome
This triad of signs and symptoms is the classic presentation of Acute Tubulointerstitial Nephritis.
A. Fever,rash,arthritis
B. Fever,rash,arthralgia
C. Fever, rash, low serum creatinine
D. Fever, blisters, high serum creatinine
B. Fever,rash,arthralgia
A 5-year old boy came in to you due to hematuria. The mother described it as tea-colored. Urinalysis revealed hematuria with deformed RBCs. What is the most likely involved part of the urinary tract?
A. Glomerulus
B. Proximal tubule
C. Distal tubule
D. Urinarybladder
A. Glomerulus
In SLE nephritis, which of the following findings require an aggressive treatment?
Fibrous
Wire-loop lesion
Glomerulosclerosis
All of the above
All of the above
This disease is characterized by predominance of IgA immunoglobulin withmesangial glomerular deposits in the absence of systemic disease.
Hereditary Nephritis
Alport syndrome
Berger’s Nephropathy
Thin Basement membrane Disease
Berger’s Nephropathy
The glomerular capillary wall is composed of 3 important layers. The predominant cell/layer involved in most glomerular diseases characterized by heavy proteinuria is the
a. Podocyte
b. Endothelial cell
c. Glomerular membrane
d. All of the above
a. Podocyte
A 10-year old child came in at the OPD due to generalized edema and frothy urine. THere was no hematuria, hypertension and history of streptococcal infection. You suspect nephrotic syndrome. Which of the following is a finding that will NOT support your diagnosis?
a. Proteinuria +1
b. Serum albumin of 2g/L
c. Cholesterol of 250mg/dl
d. Urine protein 550mg/dl, urine
creatinine 150mg/dl
a. Proteinuria +1
Tubular transport capabilities of neonates and young infants are less than those of adults. Which of the following is NOT a characteristic of young infants?
a. Reduced tubular immaturity
b. Reduced glomerular filtration
rate
c. Decreased concentrating
gradient
d. Increased responsiveness to
antidiuretic hormone
d. Increased responsiveness to antidiuretic hormone
Which of the following is TRUE of RPGN?
a. Cellular crescents is a late finding
b. The crescents involved the visceral epithelial cells
d. None of the above is correct
c. The hallmark of the disease
is the histopathologic finding
of epithelial crescents
involving more than 50% of
the glomerul
d. None of the above is correct
c. The hallmark of the disease
is the histopathologic finding
of epithelial crescents
involving more than 50% of
the glomerul
Which of the following is a cause of pre-renal AKI?
a. Neurogenic bladder
b. Acute tubular necrosis
c. Tumor lysis syndrome
d. AGE with moderate
dehydration
d. AGE with moderate
dehydration
Tubulointerstitial Nephritis is characterized by the ff involvement of one of the structures EXCEPT:
a. Glomerulus
b. Distal tubules
c. Proximal tubules
d. Loop of Henle
e. Urinary Bladder
a. Glomerulus
sparing of glomerulus and vessels
Case 3
A 16yo/F came in at the Emergency Room due to seizure. Further history taking revealed a history of fever associated with rashes and joint pains. Her chest xray revealed pleural effusion. She was previously admitted in Cebu due to same condition but went home against medical advice. Prior her discharge, a kidney biopsy was done which revealed 75% of the glomeruli involved with active sediments. She is hypertensive and urinalysis releaved 4+ proteinuria.
What is her WHO classification?
a. Minimal Mesangial LN
b. Focal Proliferative LN
c. Diffuse Proliferative LN
d. Mesangial Proliferative LN
c. Diffuse Proliferative LN
True of her treatment?
a. Immunosuppressive therapy
b. Goal to normalize C3 and C4
c. Goal to normalize renal function
and proteinuria
d. all of the above
d. all of the above
End Stage Renal Disease is a state in which a patient’s renal dysfunction has progressed to the point at which homeostasis and survival can no longer be sustained by medical management.
a. TRUE
b. FALSE
a. TRUE
In acute poststreptococcal glomerulonephritis, ASO titer is elevated after pharyngeal infection and rarely after a cutaneous one.
a. TRUE
b. FALSE
a. TRUE
MATCHING TYPE:
A- Upper urinary tract source of hematuria
B- Lower urinary tract source of hematuria
C- Both
Terminal hematuria
B- Lower urinary tract source of hematuria
MATCHING TYPE:
A- Upper urinary tract source of hematuria
B- Lower urinary tract source of hematuria
C- Both
Deformed RBCs -
A- Upper urinary tract source of hematuria
MATCHING TYPE:
A- Upper urinary tract source of hematuria
B- Lower urinary tract source of hematuria
C- Both
Cola-colored urine
A- Upper urinary tract source of hematuria