Ch. 3 Abdomen Test

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In which region or compartment is the spleen located?

Intraperitoneum

What is the best method to control involuntary motion during abdominal radiography?

Short exposure time

At what level should the central ray (CR) be placed for a left lateral decubitus projection of the abdomen?

2 inches (5 cm) above iliac crest

What CR centering should be used for a dorsal decubitus projection of the abdomen (if the diaphragm is to be included)?

2 inches above iliac crest

Where is the CR centered for the AP erect projection of the abdomen?

2 inches above iliac crest

Why is the left lateral decubitus preferred over the right lateral decubitus abdomen for an acute abdomen series?

Any intraperitoneal air will be visualized along the lower liver margin

Where must the CR be centered for an AP supine projection of the abdomen as part of the acute abdominal series?

At the level of the iliac crest

T/F: The term gastro refers to the intestine

False

A patient comes to radiology with possible bleeding within the abdomen. The patient is unable to stand or sit for any projections. Which of the following projections would be most effective in demonstrating fluid within the abdomen for this patient?

Left lateral decubitus

Which of the following solid organs is the largest in the abdomen?

Liver

Which of the following factors must be followed for an AP erect abdomen projection?

Patient needs to be upright for a minimum of 5 minutes before imaging

What is the name of the double-walled membrane that lines the abdominal cavity?

Peritoneum

Why is the right kidney usually lower in the abdomen than the left kidney?

Presence of the liver

Which of the following muscles should be demonstrated on a properly exposed abdomen projection on an average-size patient?

Psoas major

In which of the four major quadrants of the abdomen would the cecum be found?

RLQ

T/F: The most common type of involuntary motion in the abdomen is peristalsis.

True

T/F: The pancreas is located posterior to the stomach.

True

The Pigg-O-Stat is recommended for erect abdomen projections on young pediatric patients.

True

A 3-year-old patient comes to radiology for an abdominal study. Even with careful instructions and immobilization, the patient is having difficulty holding still. Which of the following should be done to minimize motion on the radiograph?

Use a shorter exposure time

The prominent protuberance found on the anterior aspect of the ilium is the:

anterior superior iliac spine (ASIS)

A patient comes to radiology with a clinical history of an umbilical hernia. Which one of the following abdomen projections would best demonstrate it?

dorsal decubitus

What is another common term for the greater omentum?

fatty apron

To ensure that the inferior margin of the abdomen is included on a KUB radiograph, the technologist should palpate the:

greater trochanter or symphysis pubis

The preferred imaging modality for examining the gallbladder is:

sonography

Which aspect of the large intestine is found between the left and right colic flexures?

transverse colon


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