GI System Terms and Definitions

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Questions and Answers

What is the primary purpose of a nasogastric tube?

  • To perform a visual examination of the colon.
  • To remove gastric secretions or administer feedings and medications into the stomach. (correct)
  • To facilitate the passage of formed feces.
  • To relieve abdominal distention by removing gas.

Which process describes the contraction of intestinal muscles to move waste?

  • Impaction
  • Defecation
  • Peristalsis (correct)
  • Valsalva maneuver

Which action is characterized by bearing down, leading to increased abdominal and thoracic pressure, and temporarily lowers cardiac output?

  • Sigmoidoscopy
  • Valsalva maneuver (correct)
  • Defecation
  • Peristalsis

What is the purpose of a sigmoidoscopy?

<p>To examine the colon visually. (C)</p> Signup and view all the answers

What term describes the formation of excessive gas in the colon or stomach?

<p>Flaxculence (D)</p> Signup and view all the answers

What is the definition of a stoma in the context of ostomies?

<p>The opening of an ostomy attached to the skin. (C)</p> Signup and view all the answers

What does the detection of occult blood in stool indicate?

<p>The presence of blood that is not visibly apparent. (D)</p> Signup and view all the answers

What is the primary purpose of administering an enema?

<p>To remove feces from the large intestine. (C)</p> Signup and view all the answers

What is a retention enema used for?

<p>Treating parasites and lubricating intestinal mucosa. (C)</p> Signup and view all the answers

What condition is characterized by preventing the passage of normal stool, where liquid stool may seep around it?

<p>Impaction (D)</p> Signup and view all the answers

What are fissures?

<p>Linear breaks on the margin of the anus. (B)</p> Signup and view all the answers

What is the physiological process called when emptying the large intestine?

<p>Defecation (A)</p> Signup and view all the answers

What is paralytic ileus?

<p>Temporary stoppage of movement of the muscles of the colon. (B)</p> Signup and view all the answers

Following bowel manipulation, a patient experiences a temporary stoppage of colon muscle movement. Which condition is likely?

<p>Paralytic ileus (C)</p> Signup and view all the answers

Which surgical procedure allows liquid fecal content from the small bowel to be eliminated through a stoma?

<p>Ileostomy (D)</p> Signup and view all the answers

A colostomy permits which type of waste to exit through a stoma?

<p>Formed feces (B)</p> Signup and view all the answers

What type of substance is inserted into a body cavity and melts at body temperature?

<p>Suppository (B)</p> Signup and view all the answers

A doctor suspects a patient has blood in their stool, but it is not visible. Which test would be most appropriate to detect this?

<p>Occult blood test (A)</p> Signup and view all the answers

A patient is experiencing constipation. Which of the listed interventions directly introduces a solution into the large intestine to promote bowel movement?

<p>Administering an enema (C)</p> Signup and view all the answers

After a surgery involving the colon, a patient's bowel movements are infrequent, and the nurse suspects reduced intestinal motility. What condition is most likely the cause?

<p>Paralytic ileus (D)</p> Signup and view all the answers

Flashcards

Nasogastric tube

A single or double lumen hollow tube used to remove gastric secretions or deliver feedings/medications to the stomach.

Colostomy

A surgical procedure where a stoma is created to allow formed feces to exit the colon.

Peristalsis

The involuntary contraction of intestinal muscles to move waste along the digestive tract.

Valsalva maneuver

Bearing down to increase abdominal/thoracic pressure.

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Suppository

An oval or cone-shaped solid inserted into a body cavity, melts due to body temperature.

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Sigmoidoscopy

A visual examination of the lower colon, rectum, and anal canal using a scope.

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Flactulence

Excessive gas formation in the colon or stomach.

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Stoma

Surgical opening attached to the skin.

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Occult blood

Blood detected with screening tests, not visible by gross examination of stool.

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Enema

The introduction of a solution into the large intestine to remove feces.

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Retention enema

Solution retained in the bowel for extended periods to administer medication or provide relief.

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Impaction

Prevents the passage of normal stool, though liquid stool may seep around it.

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Fissures

A linear break on the margin of the anus.

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Defecation

The emptying of the large intestine.

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Paralytic Illeus

Temporary stoppage of movement in the colon's muscles, usually postoperative.

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Ileostomy

A procedure where liquid fecal content from the small bowel is eliminated through a stoma.

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Study Notes

  • A nasogastric tube is a single or double lumen hollow tube which allows for the removal of gastric secretions or installation of solutions such as feedings and medications into the stomach.
  • A colostomy permits formed feces in the colon to exit through a stoma.
  • Peristalsis is the contraction of muscles of the intestine to move waste along the length of the intestine.
  • Valsalva maneuver involves bearing down, which increases abdominal and thoracic pressure (and temporarily lowers cardiac output).
  • A suppository is an oval or conical solid substance that is inserted into a body cavity and melts at body temperature.
  • A sigmoidoscopy is a visual exam of the lower colon, rectum, and anal canal.
  • Flaxulence involves the excessive formation of gas in the colon or stomach.

Across

  • A stoma is the opening of an ostomy that is attached to the skin.
  • Occult blood is detected with screening tests, though is not seen on gross exam of stool.
  • An enema is the introduction of a solution into the large intestine, usually to remove feces.
  • Retention enema is retained in the bowel for long periods to treat parasites, administer medication, provide relief from distention, or lubricate intestinal mucosa.
  • Impaction prevents passage of normal stool, although liquid stool may seep around it.
  • Fissures refer to linear breaks on the margin of the anus.
  • Defecation is the emptying of the large intestine.
  • Paralytic illious refers to temporary stoppage of movement of the muscles of the colon usually lasting 3-5 days and usually happens postoperatively after manipulation of the bowel.
  • An illiostomy allows liquid fecal content from the small bowel to be eliminated through a stoma.

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