Home
Current Affairs January 2024

What is the correct answer?

4

What is false on comparing Tc-99m DTPA to Tc-99m MAG3?

A. DTPA provides better quality images with renal insufficiency

B. by giving captopril, MAG3 plasma clearance declines in hypertensive patients with renal artery stenosis but rises in those who do not have the disease

C. DTPA provides an excellent measurement of GFR

D. in pediatrics, MAG3 provides better quality images than DTPA

Correct Answer :

A. DTPA provides better quality images with renal insufficiency


MAG3 provides better quality images with renal insufficiency.

Related Questions

What is the correct answer?

4

What matter does correspond to zero Hounsfield units?

A. air

B. water

C. fat

D. bone

What is the correct answer?

4

On staging left kidney RCC using enhanced CT, the radiologist must look for:

A. extension of the tumor to the diaphragm

B. extension of the tumor to the right atrium

C. the density of calcifications

D. the amount and bilaterality of cysts formation

What is the correct answer?

4

By ultrasonography, when kidneys appear darker than the liver, they are:

A. hypoechoic

B. hyperechoic

C. anechoic

D. isoechoic

What is the correct answer?

4

Which statement is false concerning plain KUB film?

A. reliable tool to exclude urinary calculi

B. calcifications at renal area might lead to the discovery of renal cancers

C. can detect soft tissues

D. fecoliths and phleboliths could be mistaken for calculi

What is the correct answer?

4

Which of the following is an indication of VCUG?

A. repeated febrile UTI in children

B. evaluating a probable posterior urethral valve

C. a & b

D. none of the above

What is the correct answer?

4

What is the poorest method of measuring the amount of urine in the bladder of a 65 yrs. old man?

A. using bladder scanner

B. measuring the voided urine

C. using abdominal ultrasonography

D. performing urinary catheterization

What is the correct answer?

4

What is true concerning Tc-99m DTPA?

A. Its uptake by glomerular filtration is almost 100%

B. It helps evaluate cortical structure and morphology

C. It provides a static picture of kidneys when compared to MAG3

D. it binds to the sulfhydryl groups in proximal tubules resulting in much higher resolution pinhole SPECT imaging

What is the correct answer?

4

Which of the following is NOT an indication of retrograde pyelography?

A. evaluation of probable ureteral obstruction

B. in conjunction with ureteroscopy

C. evaluation of hematuria

D. evaluation of probable ureterovesical reflux

What is the correct answer?

4

What is false concerning Tc-99m DMSA?

A. diseases affecting the proximal convoluted tubules inhibit DMSA uptake

B. it is ideal to assess UPJ obstruction in adults

C. gentamicin and cisplatin inhibit the DMSA uptake

D. it allows better assessment of differential renal function

What is the correct answer?

4

What nuclear medicine study can diagnose interstitial nephritis?

A. DTPA

B. DMSA

C. gallium-67

D. MAG-3

What is the correct answer?

4

Which statement concerning phlebolith is false?

A. can be mistaken for a ureteral stone

B. is a small single, usually spiky, calcification within a vein

C. the amount of phleboliths increases with age

D. appears more often on the left than on the right side of the pelvis

What is the correct answer?

4

What imaging modality is superior in detecting undescended testis in the abdomen?

A. MRI

B. CT

C. ultrasound

D. all are comparable

What is the correct answer?

4

Which statement is false concerning complications of left renal artery embolization?

A. embolizing the non-target artery might occur

B. severe pain at the renal area could occur

C. complications depend on the embolic agent

D. reactive left pulmonary edema

What is the correct answer?

4

What is (are) the indication(s) of renal artery embolization?

A. bleeding angiomyolipomas

B. an alternative to nephrectomy in severe uncontrolled hypertension among patients with end-stage renal disease

C. renal artery aneurysms or symptomatic AV malformations

D. all of the above

What is the correct answer?

4

Which condition could present as a filling defect in the bladder on IVU study?

A. blood clot

B. fibro-epithelial polyp

C. sloughed renal papilla

D. all of the above

What is the correct answer?

4

What is the hallmark finding on plain KUB of bladder exstrophy?

A. malunion of lumbar and/or sacral vertebral bodies

B. pelvic bone diastasis

C. sacral agenesis

D. fracture of anterior pubic rami

What is the correct answer?

4

Using CT scanning, which solid kidney mass is sharply demarcated with uniform enhancement and often has a central scar?

A. RCC

B. metastases

C. angiomyolipoma

D. oncocytoma

What is the correct answer?

4

What is the emergency treatment of intravenous contrast allergy?

A. epinephrine

B. atropine

C. hydrocortisone

D. antihistamine

What is the correct answer?

4

What is the improper usage of TRUS?

A. to evaluate ejaculatory duct obstruction in infertility case

B. to screen for prostate cancers

C. to take prostate biopsies

D. to place interstitial radiotherapy seeds

What is the correct answer?

4

On clinical examination, what accidental finding has NO connection to renal cancer?

A. unilateral hydrocele

B. bilateral varicocele

C. calcifications at the renal area on plain KUB film

D. painless hematuria

What is the correct answer?

4

Which radiological modality carries the highest radiation hazard?

A. nuclear medicine

B. ultrasonography

C. X-ray fluoroscopy

D. intravenous urography

What is the correct answer?

4

Which condition tops the differential diagnoses list of CT picture of Xanthogranulomatous pyelonephritis?

A. renal tuberculosis

B. renal abscess

C. renal cell carcinoma

D. angiomyolipoma

What is the correct answer?

4

On sagittal plane of midline TRUS, which structure might NOT be visible?

A. peripheral zone of the prostate

B. ejaculatory duct

C. tip of the right seminal vesicle

D. tip of the left lateral lobe of the prostate

What is the correct answer?

4

How does fluid appear on T2-weighted MR images?

A. dark

B. intermediate

C. bright

D. none of the above

What is the correct answer?

4

Which of the following is NOT an indication of static cystography?

A. evaluating a probable bladder rupture

B. evaluating a probable colovesical or vesicovaginal fistulae

C. evaluating a probable intravesical pathology

D. evaluating a probable bladder diverticula

What is the correct answer?

4

To which class of Bosniak system of renal cysts does an oval renal parenchymal cyst of uniform water density filling, with attenuation of ≤ 20 HU, thin, non-calcified wall, and no contrast enhancement; belong to?

A. class 1

B. class 2

C. class 3

D. class 4

What is the correct answer?

4

Using ultrasonography, which testicular lesion is described as a solid, round, homogeneous, low-reflectivity tumor mass, with no calcification?

A. seminoma

B. embryonal cell tumor

C. mixed germ cell tumor

D. epidermoid cyst

What is the correct answer?

4

Which of the following is false concerning retrograde urethrogram?

A. coning at the bulbar urethra is normal

B. segmental narrowing at bulbar urethra is normal

C. multiple round filling defects could be air bubbles

D. indicated in urethral trauma cases

What is the correct answer?

4

Which structure can NOT be assessed by TRUS of the prostate?

A. ejaculatory duct

B. vas deferens

C. seminal vesicles

D. rectal wall

What is the correct answer?

4

What is the signal characteristic of renal stones on MRU?

A. high signal on T1-weighted images

B. high signal on T2-weighted images

C. low signal on T1-weighted images

D. none of the above