Sonography-Guided Interventional Procedures

Question 1

which of the following is NOT a contraindication to needle biopsy?

Answer 1

lesion deeper than 5cm

Question 2

which of the following is NOT included in a coagulation study?

Answer 2

WBC

Question 3

which test standarizes the results of the other coagulation studies as it adjusts for variations in processing and is expressed as a number?

Answer 3

INR

Question 4

which of the following CANNOT cause a coagulopathy?

Answer 4

vitamin k

Question 5

which of the following is a procedure that uses aa 20 to 27 gauge needle attached to a syringe to obtain a sample of cells for cytologic examination?

Answer 5

fine-needle aspiration

Question 6

which of the following size needle gauges will produce the largest specimen size?

Answer 6

14 gauge

Question 7

which of the following statements regarding needle visualization is FALSE?

Answer 7

the more parallel the needle is to the transducer, the easier it is to visualize

Question 8

what is the purpose of the time-out during a procedure?

Answer 8

verify the correct patient is present and confirm the procedure and procedure site

Question 9

which of the following is NOT one of the most common complications to occur following a biopsy?

Answer 9

infection

Question 10

which of the following procedures is performed to remove an accumulation of serious fluid in the peritoneal cavity?

Answer 10

paracentesis

Question 11

What is the greatest advantage of sonography-guided biopsy procedures over other imaging modalities?

Answer 11

real-time visualization of the needle tip

Question 12

what is the contraindication to a needle biopsy?

Answer 12

unsafe biopsy route

Question 13

what laboratory test should be documented prior to biopsy procedure?

Answer 13

coagulation study

Question 14

what is the range of needle gauges used for a core biopsy?

Answer 14

14-16 gauge

Question 15

what determines if the sonographic appearance of a needle is a hyperechoic line or hypoechoic dot?

Answer 15

imaging plane

Question 16

what procedure is used to remove infected fluid?

Answer 16

abscess drainage

Question 17

what sonography-guided biopsy procedure is easier to complete using a transhepatic approach?

Answer 17

right adrenal gland

Question 18

what condition is an indication for the patient to have a prostate biopsy?

Answer 18

palpable nodule

Question 19

what can occur when an arterial puncture site fails to seal?

Answer 19

pseudoaneurysm

Question 20

what does prostate cancer occur most frequently?

Answer 20

peripheral zone

Question 21

what is the term used to describe a fluid collection round the lung?

Answer 21

pleural effusion

Question 22

which of the following procedures is performed to remove an accumulation of serous fluid in the peritoneal cavity?

Answer 22

paracentesis

Question 23

a biopsy site is scanned before the biopsy to determine the best ___ with the shortest ____ and the ___ angle.

Answer 23

point of entry; distance; least

Question 24

the term percutaneous means

Answer 24

to perform through the skin

Question 25

ultrasound-guided aspirations assist needle placement for

Answer 25

fluid sampling

Question 26

a percutaneous cholangiogram is an ultrasound-guided procedure for

Answer 26

bile drainage

Question 27

endoluminal ultrasound is

Answer 27

used to evaluate vessels and grafts druing surgery

Question 28

chronic villus sampling is

Question 29

the optimal transducer to use during intraoperative ultrasound when the near field is the area of is a

Answer 29

linear array probe

Question 30

which of the following is an advantage of interventional and intraoperative procedures?

Answer 30

needle or tube tracking

Question 31

intraoperative ultrasound is NOT limited by

Answer 31

the need for ionizing radiation

Question 32

a biopsy site scanned before the biopsy to determine the best point of entry with the shortest distance and the

Answer 32

smallest angle

Question 33

during an ultrasound-guided aspiration

Answer 33

any change in the shape or size of a fluid-filled structure can be visualized

Question 34

ultrasound is used during __ to determine accurate needle placement for tissue sampling

Answer 34

percutaneous biopsies

Question 35

percutaneous aspirations obtain tissue samples by applying suction through a needle attached to a syringe.

Answer 35

true

Question 36

ultrasound-guided biopsies use ultrasound to determine accurate needle placement for fluid suction.

Answer 36

false

Question 37

an option for a sterile transducer sheath during interventional ultrasound is an alcohol bath.

Answer 37

false

Question 38

ultrasound-guided aspirations assist needle placement for small organ or stone extraction.

Answer 38

false

Question 39

chorionic villus sampling is considered a percutaneous biopsy procedure.

Answer 39

true

Question 40

Sonographic guidance allows for real time visualization of the needle tip as it passes through tissue planes to target the area.

Answer 40

true

Question 41

Color Doppler is used to prevent complications by identifying and helping the clinician to avoid ___ that may be in the needle path.

Answer 41

vascular structures

Question 42

A biopsy can help distinguish between

Answer 42

benign and malignant lesions, and metastatic diseases

Question 43

Three tests that measure the time it takes for blood to form a clot

Answer 43

prothrombin time(PT), partial prothrombin time(PTT), international normalized ratio(INR)

Question 44

Patients with coagulopathy may be given what prior to the procedure if the need for the procedure outweighs the risk of bleeding?

Answer 44

fresh frozen plasma, K

Question 45

When planning a biopsy route, what must be avoided?

Answer 45

vessels, bowel, trachea, adjacent organs

Question 46

what procedure involves removing small samples of tissue using an automated hollow core needle commonly referred to as a

Answer 46

core needle biopsy, biopsy gun

Question 47

The sonographer's role is to recommend the __ and __ approach to the lesion.

Answer 47

best, safest

Question 48

What is a contraindication to a needle biopsy?

Answer 48

unsafe biopsy route

Question 49

A procedure performed to remove fluid from the pleural space is called__. Patients are typically positioned leaning over a table.

Answer 49

thoracentesis, upright

Question 50

The most common causes of ascites are

Answer 50

cirrhosis and malignancy

Question 51

A paracentesis can be performed for

Answer 51

diagnostic and therapeutic reasons