URR 32 Flashcards
When evaluating the venous outflow of a liver transplant patient, it is most important to check the surgical history to find ____ before scanning.
a. the patient’s current LFT levels and prothrombin time
b. what segment of the portal vein was attached to the hepatic veins
c. what segment of the portal vein was attached to the IVC
d. the type of surgical anastamosis
d
What lab test is used to evaluate the endocrine function of a pancreas transplant?
a. amylase levels
b. anodal trypsinogen levels
c. glucose levels
d. hematocrit levels
c
Applying compression using a curvilinear transducer with a large footprint is the key method used to best evaluate:
a. the scrotal wall thickness
b. the body of the pancreas
c. neonatal hips
d. a suspected thyroglossal duct
b
Which of the following will consistently cause an increase in values on liver function tests?
a. focal nodular hyperplasia
b. hepatitis
c. polycystic liver disease
d. adenoma
b
Before performing a liver transplant evaluation, the sonographer must review the surgical history to determine:
a. if the transplant was full or partial
b. the location of all sites of vascular anastamosis
c. if the transplant has a piggyback or interposition anastamosis
d. more than one of the above
d
Which probe position is used to demonstrate a longitudinal view of the main portal vein entering the liver?
a. sagittal subcostal position just to the right of the midline
b. oblique subcostal approach with the transducer rotated slightly with the notch side of the transducer angled more superiorly than the side of the probe without the notch
c. sagittal subcostal position just to the left of midline
d. oblique subcostal approach with the transducer rotated slightly with the notch side of the transducer angled more inferiorly than the side of the probe without the notch
b
The Charcot triad is used to describe the classic clinical presentation of:
a. pyloric stenosis
b. Hashimoto thyroiditis
c. acute cholangitis
d. abdominal aortic aneurysm
c
Which of the following correctly describes the method used to measure the wall thickness of the gallbladder?
a. with the ultrasound beam as perpendicular to the gallbladder wall as possible, measure the AP thickness of the anterior wall
b. with the ultrasound beam as perpendicular to the gallbladder wall as possible, measure the AP thickness of the posterior wall
c. with the ultrasound beam as parallel to the gallbladder wall as possible, measure the AP thickness of the anterior wall
d. with the ultrasound beam as parallel to the gallbladder wall as possible, measure the AP thickness of the posterior wall
a
What lab values increases with gallbladder cancer, cholecystitis or prolonged biliary obstruction?
a. LDH
b. CA-125
c. AFP
d. PT time
d
You are trying to scan the liver from a midline window, but there is excessive gas in the GI tract. Which of the following techniques can aid in better visualization of the liver?
a. give the patient ginger ale and rescan
b. reposition the patient in a prone position
c. use graded compression to displace bowel gas
d. give the patient cholecystokinin
c
Which of the following is required when performing liver elastography?
a. the ROI box should be placed on the liver tissue within 2 cm of the skin surface
b. the ROI box should be placed on the liver tissue within 2 cm of the diaphragm
c. patient should perform the Valsalva maneuver for a few seconds when recording measurements
d. patient should perform a neutral breath hold for a few seconds when recording measurements
d
In cases of acute pancreatitis, which enzyme level increases first?
a. trypsin
b. alkaline phosphatase
c. lipase
d. amylase
d
Which of the following blood tests will aid in diagnosis of a hydatid cyst in the liver?
a. albumin/protein ratio and aldosterone assay
b. ratio of conjugated bilirubin to unconjugated bilirubin
c. serum lipase and amylase
d. indirect hemagglutination test and the enzyme linked immunosorbent assay (ELISA)
d
Elevated GGTP and ALP indicates ____.
Elevated GGTP and ALT indicates ____.
a. biliary obstruction, hepatocellular disease
b. hepatocellular disease, biliary obstruction
c. cirrhosis, hepatitis
d. hepatic carcinoma, hepatic adenoma
a
When scanning the pancreas, which of the following techniques will assist in reducing the gas artifact around the pancreas?
a. deep inspiration or drink water
b. ultrasound contrast injection
c. ask patient to perform Valsalva maneuver
d. scanning the patient while they are prone
a
A patient presents for a pre-surgical evaluation of a known pancreatic mass. What is the most important information you need to document for the surgeon?
a. the volume of the pancreatic mass
b. if any vessels around the pancreas demonstrate tumor invasion
c. the number and location of abnormal lymph nodes in or around the porta hepatis
d. the volume of normal pancreatic tissue present
b
Which of the following are contraindications for a liver transplant?
a. cholangiocarcinoma and current alcohol or drug abuse
b. autosomal recessive polycystic disease and biliary hamartomas
c. hepatocellular carcinoma and hepatitis
d. hepatitis C and cirrhosis
a
What is an absolute contraindication for ethanol ablastion of a liver nodule?
a. diabetes mellitus
b. nodule location in center of liver
c. patient allergy to injectate
d. nodule location in the periphery of the liver
c
Which of the following Doppler parameters is most commonly used when evaluation the common hepatic artery in patient with a liver transplant?
a. resistive index
b. pulsatility index
c. S/D ratio
d. peak systolic velocity
a
Which of the following lab values is usually unaffected by an isolated acute biliary duct obstruction?
a. gamma glutamyl transpeptidase
b. total bilirubin
c. aspartate aminotransferase
d. alkaline phosphatase
c
Decreased serum albumin levels are associated with the development of ____.
a. ascites
b. kidney stones
c. thyroid adenomas
d. epididymitis
a
What liver abnormality results in low blood sugar levels?
a. glycogen storage disease
b. wilson disease
c. focal nodular hyperplasia
d. hemangioma
a
Serum amylase will be increased with all of the following, except:
a. tumor of the submandibular gland
b. acute pancreatitis
c. parathyroid adenoma
d. use of oral contraceptives
c
Which of the following describes AFP?
a. normal lab testing should show no amount of AFP in the blood
b. AFP levels are elevated with a fungal infection in the body
c. liver metastasis causes the most significant increase in AFP levels
d. Increased AFP levels are associated with primary liver cancer in adults and children
d