Ch 8 quiz Flashcards
An echo-free structures is described as:
a. Echogenic
b. Sonolucent
c. Heterogeneous
d. Homogeneous
B
An sonolucent structure is echo-free
A diffuse disease process is described as:
a. Echogenic
b. Infiltrating
c. Homogeneous
d. Shadowing
B
A diffuse disease process like fatty infiltration or metastatic disease are described as infiltrating.
Which of the following terms describe a simple cyst?
a. Echogenic
b. Isoechoic
c. Anechoic
d. Homogeneous
c
A simple cyst appears anechoic, with sharp thin margins and posterior acoustic enhancement
A dirty shadow is likely the result of:
a. Air in the duodenum
b. Cholelithiasis
c. Nephrolithiasis
d. Reverberation artifact
A
Air bubbles in the duodenum may cause a dirty shadow.
Increased brightness posterior to an anechoic structure is termed:
a. Shadowing
b. Reverberation
c. Enhancement
d. Refraction
C
Posterior acoustic enhancement describes an increased brightness posterior to an anechoic structure.
Which of the following is the opposite of echogenic?
a. Isoechoic
b. Hypoechoic
c. Hyperechoic
d. Sonolucent
D
Sonolucent (anechoic) is the opposite of echogenic
A completely uniform texture is termed:
a. Homogeneous
b. Heterogeneous
c. Isoechoic
d. Echogenic
A
Homogeneous describes a completely uniform texture or composition
A complex mass is described as:
a. Hypoechoic
b. Isoechoic
c. Homogeneous
d. Heterogeneous
: D
Heterogeneous describes a complex mass (non-uniform texture of composition).
Another term for sonolucent is:
a. Anechoic
b. Isoechoic
c. Hypoechoic
d. Homogeneous
A
A patient lying on the side with the right side up is in the ____________ position.
a. Right lateral decubitus
b. Right posterior oblique
c. Left lateral decubitus
d. Left posterior oblique
C
The patient is lying left side down (right side up) in the left lateral decubitus position
The body of the pancreas lies _____ to the splenic vein.
a. Posterior
b. Anterior
c. Lateral
d. Medial
B
The pancreatic body lies above (anterior to) the splenic vein
The portal confluence is formed by the splenic vein and the ________________.
a. Inferior mesenteric vein
b. Portal vein
c. Hepatic vein
d. Superior mesenteric vein
D
The portal confluence is formed by the splenic vein and the superior mesenteric vein.
. Which artery courses along the anterolateral border of the head of the pancreas?
a. Hepatic
b. Splenic
c. Cystic
d. Gastroduodenal
D
The gastroduodenal artery (GDA) courses along the anterolateral border of the head of the pancreas. The GDA is a branch of the hepatic artery.
The transducer typically selected for an ultrasound examination of the thyroid is:
a. 8 to 12 MHz linear
b. 5 to 7 MHz curvilinear
c. 2.5 to 5 MHz curvilinear
d. 2.5 to 5 MHz linear
A
A transducer typically selected for an ultrasound examination of superficial structures such as the thyroid gland is 8 to 12 MHz linear.
The role of ultrasound in evaluating the parathyroid glands is primarily to detect:
a. Carcinomas
b. Cysts
c. Adenomas
d. Hemangiomas
C
The role of ultrasound in evaluating the parathyroid glands is primarily to detect adenomas
Which one of the following patient preparations is required before an abdominal ultrasound examination?
a. Drink 12 ounces of water 1 hour before the examination.
b. No preparation is needed.
c. Take nothing by mouth for 6 to 8 hours before the examination.
d. Take nothing by mouth for 4 to 6 hours before the examination.
C
Nothing by mouth (NPO) for 6 to 8 hours is requested for the patient who is scheduled for an abdominal examination to optimize image quality and diagnosis.
The normal thickness of the gallbladder wall in a fasting state is (in mm):
a. 2
b. 3
c. 4
d. 5
B
The thickness of the gallbladder wall should not exceed 3 mm in the normal fasting state
Wall thickness of the gallbladder should be measured in the ___________ plane.
a. Median
b. Longitudinal
c. Transverse
d. Coronal
C
The wall should be measured in the transverse plane at the anterior wall, with the transducer parallel to the anterior wall.
Specific indications for a pancreas ultrasound examination include all of the following except:
a. Abdominal pain
b. Abnormal laboratory values
c. Cholecystitis
d. Nephrolithiasis
: D
Nephrolithiasis is an indication for a renal ultrasound examination.
Which one of the following patient positions is best for imaging the spleen?
a. Prone
b. Right lateral decubitus
c. Semi-erect
d. Supine
B
The best position is the right lateral decubitus when compared with the supine position.
The texture of the spleen should be compared with that of the _____________.
a. Pancreas
b. Renal cortex
c. Liver
d. Renal hilum
C
The liver and spleen have similar echo texture and should be compared with each other. The pancreas is hyperechoic to the liver and spleen; the renal cortex is normally hypoechoic to the liver and spleen; the renal hilum is hyperechoic to the liver and spleen.
In a transverse image of the lower pole of the kidney, the psoas muscle lies:
a. Medial
b. Lateral
c. Inferior
d. Anterior
A
The psoas muscles lie posterior and medial to the kidneys.
The superior mesenteric vein (SMV) courses anterior to the ______________.
a. Head of the pancreas
b. Body of the pancreas
c. Tail of the pancreas
d. Uncinate process of the pancreas
D
The SMV courses anterior to the uncinate process of the pancreas
Which one of the following transducers is the best for a scrotal ultrasound examination?
a. 7 to 10 MHz linear
b. 8 to 12 MHz curvilinear
c. 8 to 12 MHz linear
d. 5 to 7 MHz sector
C
The highest frequency linear transducer should be used for a scrotal examination.
Which of the following patient positions are the best for a majority of breast ultrasound examinations?
a. Supine and lateral
b. Shallow oblique and lateral
c. Supine and shallow oblique
d. Supine and steep oblique
C
Supine and shallow oblique are the best positions for most breast examinations. A steep oblique or lateral position is used for lateral lesions.