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ARDMS Abdomen Davies exam with complete solutions 2024_2025
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ARDMS Abdomen Davies exam with complete solutions 2024_2025
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ARDMS Abdomen Davies exam withcomplete solutions 2024/2025
You are scanning a patient with a known mass in the left medial segment of the
liver. What anatomic landmark can you use to identify the left medial segment
separate from the right anterior segment of the liver? - ANSWER-Middle Hepatic
Vein
Which organ is the largest visceral organ in the body ? - ANSWER-Liver
Where is the major portion of the liver, the right lobe located? - ANSWER-in the
right upper quadrant of the abdomen
What organ is covered in large part by the peritoneum , except for a small area
posterior to the dome known as the bare area? - ANSWER-the Liver
Which organ is covered in a layer of fibrous tissue, glisson's capsule? -
ANSWER-the Liver
You suspect enlargement of the caudate lobe in a patient with liver disease. What
structure located at the anterior border of the caudate lobe will help you to
identify this lobe of the liver? - ANSWER-Fissure for the ligamentum venosum
You are asked to rule out the presence of a recannalized paraumbilical. Which
anatomic structure is a useful landmark in location of this structure? - ANSWER-
Ligamentum teres
What is the left portal vein in contact with? - ANSWER-Ligamentum teres
,Where does the paraumbilical vein begins? - ANSWER-begins at the left portal
vein and exits the liver at the ligamentum teres
Which vessel course within the main lobar fissure? - ANSWER-middle hepatic
vein
Oxygenated blood is supplied to the liver via the: - ANSWER-Portal vein and
hepatic artery
You are performing a sonogram on a slender female and notice a long, thin
extension of the inferior aspect of the right lobe of the liver. The most likely
represents: - ANSWER-Reidel's lobe
What forms the caudal border of the left portal vein? - ANSWER-Ligamentum
teres
What ligament divides the left lobe of the liver into medial and lateral segments? -
ANSWER-Ligamentum teres
You are asked to perform a Doppler study on the hepatic veins in the liver. What
differentiates the hepatic veins from the portal veins? - ANSWER-the portal veins
are accompanied by branches of the biliary tree and hepatic artery
You have detected a mass anterior and to the left of ligamentum venosum. This
mass is located in what lobe of the liver ? - ANSWER-Left Lobe
The thin capsule surrounding the liver is known as: - ANSWER-Glisson's capsule
What courses interlobar and intersegmental within the liver? - ANSWER-Hepatic
veins
You are performing an ultrasound exam of the liver on a small patient with a
5MHz curved linear array. Although you have increased the overall gain to its
maximum setting, the posterior border of the liver and diaphragm are not
visualized. What should you do? - ANSWER-Rescan the liver with a lower
frequency transducer.
Correctly describe the probe placement and imaging plane you would use to
demonstrate the three hepatic veins and inferior vena cava in the one view? -
ANSWER-Subcostal oblique approach with the probe angled superiorly and to the
patient's right.
, You are performing a follow-up sonogram on a patient in which a 5 -mm cyst was
previously identified at the anterior border of the left lobe liver. Although you are
using a 3.5 MHz curved linear array probe, you do not see the cyst. What would
be most helpful in improving visibility of this cyst? - ANSWER-Rescan the left
lobe with a higher frequency transducer. Visibility of small cysts is limited by
spatial resolution. To improve spatial resolution, the best option is to increase the
imaging frequency.
What do you need to do to improve spatial resolution to visualize small cysts
(which has a limited spatial resolution)? - ANSWER-The best option is to increase
the imaging frequency
You are imaging a patient with a high liver. Subcostal images do not clearly
demonstrate the liver tissue. What should you do? - ANSWER-Scan the patient in
deep inspiration
A patient is referred for ultrasound evaluation of a questionable mass in the dome
of the liver seen on a CAT scan. What would improve visualization in this area of
the liver? - ANSWER-Perform a subcostal scan with the probe angled superior
and the patient in deep inspiration
A patient is referred for a liver ultrasound with the clinical history of a raised
serum alpha-fetoprotein level. What should you look for? - ANSWER-
Hepatocellular carcinoma
If a non pregnant person with elevated levels of serum alpha-fetoprotein AFP ,
what is associated with this? - ANSWER-Hepatocellular carcinoma, germ cell
tumor of gonadal, retroperitoneal, or mediastinal origin. Sometimes with cancer
of pancreas, stomach, or biliary system.
What may produce modest serum AFP elevations? - ANSWER-Hepatitis and
cirrhosis
You are reviewing lab work prior to performing an abnormal ultrasound exam.
Elevated lab values include Gamma- glutamyl transpeptidase -GGT and alkaline
phosphatase. What would it be? - ANSWER-Concomitant elevation of both GGT
and alkaline phosphate indicates the source of the elevated alkaline phosphatase
is the liver.
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