GI Lesson 5: Esophagus / Contrast media

In the AP/PA esophagus exam, the esophagus is seen in what region? A. Over spine B. In between spine and heart C. Posterior to heart

A

What is the main reason Barium is paired with Sulfate when used as a contrast? A. It lessens the toxicity of barium by forming a non-water-soluble solution B. It improves the taste of the barium C. It lessens the toxicity by creating a water-soluble solution D. increases attenuation characteristics

A

The expanded portion of the terminal esophagus is called the: A. cardiac notch B. abdominal esophagus C. cardiac antrum D. esophagogastric junction

C

The esophagus is posterior to the trachea and heart. True False

True

Barium Sulfate is used for what type of x-rays? A. Urinary system B. Gastrointestinal system C. Vascular system D. Endocrine system

B

How long does it take barium to go through the alimentary canal and reach the rectum? A. 12 hours B. 24 hours C. 1 1/2 days

B

In the RAO/LPO esophagus exam, the esophagus is seen in what region? A. Over spine B. In between spine and heart C. Posterior to heart

B

The esophagus joins the stomach through an opening called the: A. pyloric orifice B. cardiac orifice C. cardiac sphincter D. pyloric sphincter

B

The esophagus passes through the diaphragm at the level of ______. A. T9 B. T10 C. T11 D. T12

B

The position or projection used to demonstrate the esophagus between the vertebral column and the heart is: A. LAO B. RAO C. Trendelenburg D. AP

B

What is the longitudinal central ray for the esophagus? A. C6-C7 B. T5-T6 C. T7-T8 D. T10-T11

B

What is the recommended general body position for a radiographic series of the esophagus? A. upright B. recumbent C. seated D. Trendelenburg's

B

Which of the following is true about barium sulfate? A. Its water soluble and can be used as IV injection B. it attenuated radiation more than normal body tissue C. it dissolves in solution D. its atomic number is similar to those of body tissues

B

In the LATERAL esophagus exam, the esophagus is seen in what region? A. Over spine B. In between spine and heart C. Posterior to heart

C

Indentations occur along the esophagus due to which of the following structure(s)? 1. Aortic arch 2. Descending aorta 3. Left primary bronchus 4. 9th thoracic vertebra A. 1 and 2 only B. 2 and 3 only C. 1 and 3 only D. all of the above

C

The esophagus begins at the level of ______ and terminates at the level of ______. A. C-4, T-9 B. C-5, T-10 C. C-6, T-11 D. C-7, T-12

C

Which of the following are characteristics of Barium Sulfate? 1. It is water soluble 2. It is a suspension 3. It has a low atomic number 4. It has a high atomic number A. 1, 2, and 3 B. 1 and 4 only C. 2 and 4 only D all the above

C

Regular barium sulfate ingested orally normally reaches the rectum in: A. 4 hours B. 8 hours C. 16 hours D. 24 hours

D

The following positions or projections are most frequently used for exams of the esophagus: A. both lateral decubitus B. PA, AP, and erect C. supine and erect LAO D. PA, RAO, and lateral

D

The valsalva maneuver would be utilized to show esophageal: A. polyps B. ulcer C. diverticulum D. varices

D

The wall of the esophagus is composed of how many layers of tissue? A. 1 B. 2 C. 3 D. 4

D

Which of the following contrast mediums are used for examinations of the gastrointestinal tract? 1.) air 2.) barium sulfate 3.) water-soluble iodinated solution A. 1 and 2 B. 1 and 3 C. 2 and 3 D. 1, 2, and 3

D

Which type of administration is the safest for Barium Sulfate? A. Intrathecal B. Parenteral C. Intravenous D. Enteral

D