Medicine MCQs -21
Contents
- 1 Which renal stones are called as infection stones?
- 2 What is the “gold standard” diagnostic test for Nephrolithiasis?
- 3 Which is the most common type of kidney stone?
- 4 All of the following are CORRECT about Randall's plaques EXCEPT -
- 5 All of the following are CORRECT about Dent's disease EXCEPT -
- 6 Which stones are commonly caused by a urinary tract infection?
- 7 Which kidney stones grow quickly to large size ?
- 8 Staghorn calculi is produced by which type renal stones?
- 9 When there is a stone is in the lower part of the ureter the pain can radiate to -
- 10 Tiopronin is used for prevention of which type kidney stones-
Which renal stones are called as infection stones?
Struvite stones, also known as infection stones or triplephosphate stones, form only when the upper urinary tract is infected
with urease-producing bacteria such as
Proteus mirabilis,
Klebsiella
pneumoniae,
Providencia species
What is the “gold standard” diagnostic test for Nephrolithiasis?
Nephrolithiasis - The “gold standard” diagnostic test is helical CT without contrast.
Which is the most common type of kidney stone?
Calcium oxalate: The most common type of kidney stone which is created when calcium combines with oxalate in the urine.
All of the following are CORRECT about Randall's plaques EXCEPT -
Randall's plaques
Randall's plaques - are calcium phosphate deposits
form in the papillary interstitium
All of the following are CORRECT about Dent's disease EXCEPT -
affects the proximal renal tubules
LMW proteinuria
Which stones are commonly caused by a urinary tract infection?
Struvite stones are virtually always caused by a urinary tract infection
Which kidney stones grow quickly to large size ?
Struvite stones - can grow very large quickly
Staghorn calculi is produced by which type renal stones?
When there is a stone is in the lower part of the ureter the pain can radiate to -
stone lodges in the upper part of the ureter - pain may radiate anteriorly
if the stone is in the lower part of the ureter - pain can radiate to the ipsilateral testicle in men or ipsilateral labium in women.
Tiopronin is used for prevention of which type kidney stones-
Cystine
Focus for cystine stone prevention is on increasing cystine solubility.
This goal may be achieved by treatment with medication that covalently binds to cystine (tiopronin and penicillamine