Colorectal Cancer Insights
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Questions and Answers

Which condition is most likely to cause a vascular obstruction in the intestines?

  • Collagen vascular disease
  • Endocrine disorder
  • Chronic atrial fibrillation (correct)
  • Venous thrombosis in shock

What percentage of colorectal cancer cases are estimated to occur due to family history?

  • 5-10%
  • Approximately 85%
  • Approximately 33% (correct)
  • Approximately 9%

Which dietary factor is associated with an increased risk of colorectal cancer?

  • Diet high in red or processed meat (correct)
  • High intake of fruits and vegetables
  • Low intake of processed meats
  • High intake of grains

Which genetic condition is the most common form of hereditary colorectal cancer?

<p>Hereditary nonpolyposis colorectal cancer (HNPCC) syndrome (B)</p> Signup and view all the answers

Which type of cancer is most common amongst the cases of colorectal cancer?

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

What is the typical origin of most colorectal cancers?

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

Which of the following is NOT a listed nursing diagnosis for colorectal cancer?

<p>Impaired gas exchange (B)</p> Signup and view all the answers

What is the term for the surgical opening in the skin where intestinal contents pass through?

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

What position should the head of the bed be elevated to for patients with acute symptoms of GERD?

<p>30 degrees (C)</p> Signup and view all the answers

Which type of hiatal hernia is most commonly found when the patient is supine?

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

What is an indication that a patient may be experiencing respiratory complications post-surgery?

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

What is the recommended action for a patient experiencing persistent GERD symptoms?

<p>Contact their health care provider (A)</p> Signup and view all the answers

What should patients on PPIs do regarding their medication timing?

<p>Take it before the first meal of the day (B)</p> Signup and view all the answers

Which side effect should patients taking prescription H2-receptor agents be informed about?

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

What characterizes a paraesophageal hiatal hernia?

<p>The esophagogastric junction remains in the normal position (C)</p> Signup and view all the answers

Which demographic is more likely to experience hiatal hernias?

<p>Older adults, especially women (D)</p> Signup and view all the answers

What is the primary goal of collaborative care in managing nausea and vomiting?

<p>To determine and treat the underlying cause and provide symptomatic relief (D)</p> Signup and view all the answers

Which type of vomiting is characterized by a forceful expulsion of stomach contents without nausea?

<p>Projectile vomiting (C)</p> Signup and view all the answers

What condition may cause vomitus with a 'coffee ground' appearance?

<p>Active bleeding from the stomach (D)</p> Signup and view all the answers

In older adults, what complication is a significant concern when experiencing nausea and vomiting?

<p>Life-threatening fluid and electrolyte imbalances (C)</p> Signup and view all the answers

Which symptom might suggest a Mallory-Weiss tear?

<p>Bright red blood in vomitus (C)</p> Signup and view all the answers

What does the presence of fecal odor in the vomitus typically indicate?

<p>Intestinal obstruction below the pylorus (D)</p> Signup and view all the answers

Which factor increases the likelihood of women experiencing nausea and vomiting?

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

What can the color of vomitus reveal?

<p>The presence and source of bleeding (B)</p> Signup and view all the answers

What is the primary role of hormones released into the bloodstream when food enters the stomach and small intestine?

<p>Controlling HCl acid secretion and digestive enzyme release (D)</p> Signup and view all the answers

Which of the following best describes nausea?

<p>A sensation accompanied by a desire to vomit (B)</p> Signup and view all the answers

What complex actions are required for the act of vomiting?

<p>Contraction of the abdominal muscles and relaxation of the stomach (B)</p> Signup and view all the answers

Which of the following conditions is NOT commonly associated with nausea and vomiting?

<p>Healthy digestive function (B)</p> Signup and view all the answers

What is a significant factor that the vomiting center in the brainstem responds to?

<p>Neural impulses from the gastrointestinal tract (A)</p> Signup and view all the answers

Which of the following psychological factors can contribute to nausea and vomiting?

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

What are some of the extra-gastrointestinal conditions that can lead to nausea and vomiting?

<p>Meningitis and diabetes mellitus (D)</p> Signup and view all the answers

Which of the following describes the closure of the glottis during vomiting?

<p>It prevents food from entering the trachea. (D)</p> Signup and view all the answers

What is a major risk factor for esophageal cancer related to lifestyle choices?

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

What is a significant risk for older adults with a decreased level of consciousness during episodes of vomiting?

<p>Aspiration of vomitus (D)</p> Signup and view all the answers

Which of the following symptoms is most commonly associated with esophageal cancer?

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

Which factor increases the risk of oral infections in patients receiving treatment for cancer?

<p>Corticosteroid inhalant treatment (B)</p> Signup and view all the answers

What is a common consequence of oral inflammation and infections?

<p>Severe impairment of oral ingestion (A)</p> Signup and view all the answers

In which part of the esophagus are most esophageal tumors located?

<p>Middle and lower portions (B)</p> Signup and view all the answers

What condition is associated with an increased risk of squamous cell cancer in the esophagus?

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

Which type of oral cancer develops in the throat just behind the mouth?

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

What could be a late symptom of esophageal cancer as the disease progresses?

<p>Radiating pain during swallowing (A)</p> Signup and view all the answers

What is the most favorable prognosis among oral tumors?

<p>Carcinoma of the lip (C)</p> Signup and view all the answers

Which is a common risk factor for developing oral cancer?

<p>Duration of tobacco use (C)</p> Signup and view all the answers

Which group has a higher incidence of esophageal cancer compared to other ethnic groups?

<p>Non-Hispanic white men (C)</p> Signup and view all the answers

What should be prioritized in the management of patients with oral infections?

<p>Identification of the cause (B)</p> Signup and view all the answers

Which assessment question is relevant for a nurse to ask a patient potentially at risk for esophageal cancer?

<p>Do you have a history of GERD? (C)</p> Signup and view all the answers

Which of the following is a potential consequence of oral pathogens beyond the oral cavity?

<p>Increased risk for infections in other organs (C)</p> Signup and view all the answers

What is a common effect of severe esophageal stenosis (narrowing)?

<p>Regurgitation of blood-flecked contents (A)</p> Signup and view all the answers

Flashcards

Nausea

The feeling of discomfort in the stomach with a strong urge to vomit.

Vomiting

The forceful ejection of partially digested food and stomach secretions from the upper GI tract.

Vomiting mechanism

The process of vomiting involves a complex coordination of different body parts. These include: the voice box (glottis) closing, deep breathing (inspiration), the pyloric sphincter closing, the stomach and LES relaxing, and abdominal muscles contracting.

Causes of nausea and vomiting

Nausea and vomiting commonly occur in various gastrointestinal disorders, but they can also be caused by other non-GI conditions.

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GI causes of nausea and vomiting (examples)

Examples of GI disorders that can cause nausea and vomiting include gastritis, ulcers, and bowel obstruction.

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Non-GI causes of nausea and vomiting (examples)

Non-GI conditions causing nausea and vomiting include pregnancy, infections, and central nervous system disorders.

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Vomiting center

A part of the brainstem responsible for the coordination of the vomiting process.

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Stimuli that trigger the vomiting center

The vomiting center in the brainstem receives input from various stimuli through neural pathways, including those from the GI tract, kidneys, heart, and uterus.

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Projectile vomiting

A forceful expulsion of stomach contents without nausea, often associated with CNS tumors.

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Regurgitation

An effortless process where partially digested food slowly comes up from the stomach.

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Mallory-Weiss tear

A tear in the mucosal lining near the esophagogastric junction, often caused by severe retching and vomiting.

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Emesis containing partially digested food

A process where partially digested food returns from the stomach, often due to gastric outlet obstruction or delayed gastric emptying.

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Esophageal varices

A tear in the mucosal lining of the esophagus.

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Collaborative care for nausea and vomiting

The process of identifying the cause of nausea and vomiting, providing symptomatic relief, and monitoring the patient's condition.

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Gerontologic considerations for nausea and vomiting

A condition where the older adult experiencing nausea and vomiting requires special attention due to increased risk of fluid and electrolyte imbalances.

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Achalasia

A condition where the lower esophagus doesn't empty properly due to muscle dysfunction.

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Barrett's Metaplasia

Abnormal cellular changes in the lining of the esophagus, often associated with acid reflux.

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Dysphagia

Progressive difficulty swallowing, a common symptom of esophageal cancer.

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Odynophagia

Burning, squeezing pain while swallowing, often associated with esophageal inflammation or cancer.

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Esophageal Stenosis

A narrowing of the esophagus, often a consequence of tumor growth.

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Esophageal Cancer

A malignant tumor that usually appears as an ulcerated lesion, often in the middle and lower portions of the esophagus.

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Smoking

A risk factor for esophageal cancer that involves inhaling smoke into the lungs.

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Excessive Alcohol Intake

A risk factor for esophageal cancer that involves consuming large amounts of alcoholic beverages.

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Aspiration risk in older adults

Older adults with a decreased level of consciousness are at increased risk for aspiration.

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Antiemetic side effects in older adults

Antiemetic drugs can cause confusion and increase the risk of falls in older adults.

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Oral inflammation and infection impact

Oral inflammation and infections can severely impair oral ingestion and are common complications in immunocompromised patients.

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Impact of oral infections

Oral infections can be a reservoir for respiratory pathogens and have been linked to diabetes and heart disease.

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Types of oral cancer

Oral cancer can develop in the mouth (oral cavity cancer) or in the throat behind the mouth (oropharyngeal cancer).

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HNSCC definition

Head and neck squamous cell carcinoma (HNSCC) encompasses cancers of the oral cavity, pharynx, and larynx, accounting for the majority of malignant oral tumors.

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Common sites for oral cancer

The lower lip is the most common site for oral malignant lesions, followed by the tongue, buccal mucosa, and labial commissure.

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Oral cancer prognosis

Carcinoma of the lip has the best prognosis due to earlier detection, while other sites have varying prognoses depending on stage and treatment.

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What is a hiatal hernia?

A condition where a portion of the stomach protrudes into the chest cavity through an opening in the diaphragm.

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Describe a sliding hiatal hernia.

The junction between the stomach and esophagus is above the diaphragm, and part of the stomach slides through the opening.

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Explain a paraesophageal hiatal hernia.

The junction between the stomach and esophagus remains in its normal position, but the stomach's upper portion bulges through the diaphragm beside the esophagus.

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How is the head of the bed elevated for GERD?

Elevating the head of the bed to at least 30 degrees to prevent stomach acid from flowing back up.

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Why does a patient on a PPI take their medication before the first meal?

A medication taken before the first meal of the day to reduce stomach acid.

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What are H2-receptor agents?

A type of medication that blocks histamine receptors in the stomach, reducing acid production.

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What are some potential post-operative complications for hiatal hernia repair?

Conditions that could happen after surgery, including pneumonia, lung collapse, and infections.

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Why is post-operative care crucial for hiatal hernia repair?

Preventing complications like pneumonia and infections after surgery.

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What is colorectal cancer?

Colorectal cancer, also known as colon cancer, is a type of cancer that affects the colon or rectum.

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What diet increases colorectal cancer risk?

A high-fat diet with lots of red meat and processed food increases the risk of colon cancer.

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What genetic factors increase colorectal cancer risk?

Genetic factors like familial adenomatous polyposis (FAP) and Lynch syndrome increase the risk of developing colon cancer.

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What lifestyle choices reduce colorectal cancer risk?

Regular physical activity and a diet rich in fruits, vegetables, and grains can reduce the risk of colorectal cancer.

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What medications can reduce the risk of colorectal cancer?

Long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin may decrease the risk of colorectal cancer.

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What are adenomatous polyps?

Adenomatous polyps are abnormal growths in the colon that can turn cancerous.

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What is the connection between polyps and colorectal cancer?

Colorectal cancer usually starts as adenomatous polyps, and around 85% of these polyps can develop into cancer.

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What is an ostomy?

An ostomy is a surgical procedure that creates an opening in the abdomen to allow waste to pass out of the body.

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Study Notes

Nursing Care Management 116

  • This course covers nursing care management of patients across the lifespan in various settings.
  • It focuses on gastrointestinal, metabolism, endocrine, perception, coordination (acute and chronic) conditions.
  • Students will utilize the nursing process for individuals, families, and communities.

Care of Clients with Problems of Ingestion, Digestion, Absorption, and Elimination

  • Gastrointestinal (GI) tract problems are diverse and affect other organ systems.
  • Congenital, inflammatory, infectious, traumatic, and neoplastic conditions affect the GI tract.
  • Stress, anxiety, fatigue, and dietary changes can impact GI function.
  • A thorough assessment of patients needs to consider both physical and mental factors.

Learning Outcomes

  • Students will be able to describe the structures and functions of GI organs.
  • Differentiate between ingestion, digestion, absorption, and elimination processes.
  • Understand age-related GI system differences in assessment findings.
  • Identify relevant assessment data for the GI system in patients.
  • Describe diagnostic studies, their significance, and nursing responsibilities.
  • Explain the etiology, manifestations, complications, collaborative care, and nursing management of various GI conditions like oral/stomach cancer, GI bleeding, colorectal cancer, GERD, hiatal hernia, esophageal cancer, diverticula, achalasia, esophageal strictures, acute/chronic gastritis, and bowel obstructions.

Chapter I: Structures and Functions of Gastrointestinal System

  • The GI tract extends from the mouth to the anus (approximately 30 ft or 9 m). It consists of four layers (mucosa, submucosa, muscle, serosa).
  • Innervated by the parasympathetic and sympathetic nervous systems; the enteric nervous system coordinates motility and secretion through nerve layers.
  • The GI tract receives a significant portion of the circulatory system's cardiac output and supplies blood from the celiac artery, superior mesenteric artery (SMA), and inferior mesenteric artery (IMA).

Chapter II: Nursing Management – Upper Gastrointestinal Problems

  • Nausea and vomiting are common GI manifestations.
  • Vomiting is a complex process requiring coordinated muscle and nervous system activity.
  • Nausea and vomiting can arise from various GI and non-GI conditions.
  • Geriatric considerations are important in managing nausea and vomiting in older adults as well as fluid loss and electrolytes.

Chapter III: Nursing Management – Lower Gastrointestinal Problems

  • Acute Abdominal Pain: Causes include (but not limited to) abdominal compartment syndrome, appendicitis, bowel obstruction, cholecystitis, diverticulitis, perforated ulcer, ruptured abdominal aneurysm, ruptured ectopic pregnancy, gastroenteritis, perforated gastric or duodenal ulcer, peritonitis, and others.
  • Perforation, inflammation, obstruction, and internal bleeding can lead to hypovolemic shock.
  • Appendicitis: Inflammation of the appendix, often with obstruction, leading to pain, nausea, vomiting or other symptoms.
  • Peritonitis—Inflammation of the peritoneum caused by various conditions needing immediate assessment and management.

Oral Cancer

  • Oral cavity and oropharyngeal cancers are the two primary types, usually stemming from the squamous cells of the mouth and throat.
  • Several risk factors such as tobacco use, alcohol, and exposure to sunlight contribute to this type of cancer.

Gastroesophageal Reflux Disease (GERD)

  • GERD is a chronic condition with stomach acid refluxing into the esophagus.
  • Factors leading to GERD include incompetency of the lower esophageal sphincter (LES) pressure.
  • Symptoms of GERD include heartburn, difficulty swallowing, and respiratory symptoms.
  • Treatment aims for symptom relief through lifestyle changes, medication, or surgical intervention.

Esophageal Disorders

  • Hiatal hernia refers to an abnormal protrusion of the upper part of the stomach through the diaphragm into the chest.
  • Treatments for hiatal hernias are similar to GERD treatment.
  • Esophagitis is inflammation of the esophageal lining and is a common symptom associated with GERD and hiatal hernias

Stomach Cancer

  • Stomach cancer (gastric cancer) is most common among Asian, Hispanic, and African Americans.
  • Symptoms may include early satiety, indigestion, abdominal discomfort, and anemia.

Upper Gastrointestinal Bleeding

  • Bleeding in the upper GI tract can stem from various sources.
  • Causes of Upper GI bleeding include, but are not limited to, esophageal varices, peptic ulcer disease, and stress-related mucosal disease.

Inflammatory Bowel Disease (IBD)

  • IBD encompasses ulcerative colitis and Crohn's disease.
  • Characterized by periods of remission and exacerbation.
  • Treatment and patient management can include drug regimes and surgical therapies, varying based on type of disease and severity.

Intestinal Obstructions

  • Intestinal obstructions occur when the passage of intestinal content is blocked.
  • They can be mechanical, caused by physical blockage, or nonmechanical, caused by muscles and nerves in the digestive system.
  • Symptoms of obstructions range from vague abdominal discomfort to severe pain, vomiting, and difficulty passing stool or gas.

Diverticulitis and Diverticulosis

  • Diverticulosis refers to the presence of small pouches (diverticula) in the large intestine.
  • Diverticulitis is inflammation of these pouches.
  • Risk factors include low fiber diets and increased age.
  • Complications from diverticulitis include peritonitis, abscess, fistula, and bleeding.

Malabsorption Syndrome

  • Malabsorption refers to the impairment in absorption of nutrients in the small intestine.
  • Causes include lactose intolerance, celiac disease, IBD, and others.
  • Clinical manifestations include weight loss, diarrhea, and steatorrhea.
  • Treatments focus on dietary management or other interventions.

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