Exam 2--Ch 47: Management of Patients With Intestinal and Rectal Disorders

A client is prescribed tetracycline to treat peptic ulcer disease. Which of the following instructions would the nurse give the client?

"Be sure to wear sunscreen while taking this medicine."

A nurse is teaching a client with gastritis about the need to avoid the intake of caffeinated beverages. The client asks why this is so important. Which of the following explanations from the nurse would be most accurate?

"Caffeine stimulates the central nervous system and thus gastric activity and secretions, which need to be minimized to promote recovery."

The nurse is conducting a community education class on gastritis. The nurse includes that chronic gastritis caused by Helicobacter pylori is implicated in which of the following diseases/conditions?

- Frequently monitoring hemoglobin and hematocrit levels - Observing stools and vomitus for color, consistency, and volume - Checking the blood pressure and pulse rate every 15 to 20 minutes

A nursing student is caring for a client with gastritis. Which of the following would the student recognize as a common cause of gastritis? Choose all that apply.

- Ingestion of strong acids - Irritating foods - Overuse of aspirin

Peptic ulcer disease occurs more frequently in people with which blood type?

- O

A client with peptic ulcer disease must begin triple medication therapy. For how long will the client follow this regimen?

10 to 14 days

A patient is scheduled for a Billroth I procedure for ulcer management. What does the nurse understand will occur when this procedure is performed?

A partial gastrectomy is performed with anastomosis of the stomach segment to the duodenum.

When caring for a client with an acute exacerbation of a peptic ulcer, the nurse finds the client doubled up in bed with severe pain to his right shoulder. The intial appropriate action by the nurse is to

Assess the client's abdomen and vital signs.

The health care provider prescribes a combination of three drugs to treat peptic ulcer disease. The nurse, preparing to review the drug actions and side effects with the patient, understands that the triple combination should be in which of the following order?

Bismuth salts, antibiotics, and proton pump inhibitors

A patient with IBD would be encouraged to increase fluids, use vitamins and iron supplements, and follow a diet designed to reduce inflammation. Select the meal choice that would be recommended for a low-residue diet.

Broiled chicken with low-fiber pasta Explanation: A low-residue, high-protein, and high-calorie diet is recommended to reduce the size and number of stools. Foods to avoid include yogurt, fruit, salami, and peanut butter.

A patient sustained second- and third-degree burns over 30% of the body surface area approximately 72 hours ago. What type of ulcer should the nurse be alert for while caring for this patient?

Curling's ulcer

Symptoms associated with pyloric obstruction include all of the following except:

Diarrhea

Which of the following appears to be a significant factor in the development of gastric cancer?

Diet

Which of the following surgical procedures for obesity utilizes a prosthetic device to restrict oral intake?

Gastric banding

The nurse is conducting a community education program on peptic ulcer disease prevention. The nurse concludes that the most common cause of peptic ulcers is which of the following?

Gram-negative bacteria

A client with severe peptic ulcer disease has undergone surgery and is several hours postoperative. During assessment, the nurse notes that the client has developed cool skin, tachycardia, and labored breathing; the client also appears to be confused. Which of the following complications has the client most likely developed?

Hemorrhage

Vomiting results in which of the following acid-base imbalances? You Selected: Metabolic alkalosis Correct response: Metabolic alkalosis Explanation: Vomiting results in loss of hydrochloric acid (HCl) and potassium from the stomach, leading to a reduction of chlorides and potassium in the blood and to metabolic alkalosis.

Metabolic alkalosis Explanation: Vomiting results in loss of hydrochloric acid (HCl) and potassium from the stomach, leading to a reduction of chlorides and potassium in the blood and to metabolic alkalosis.

Which of the following is a true statement regarding gastric cancer?

Most patients are asymptomatic during the early stage of the disease.

A nurse practitioner prescribes drug therapy for a patient with peptic ulcer disease. Choose the drug that can be used for 4 weeks and has a 90% chance of healing the ulcer.

Omeprazole (Prilosec)

Which of the following represents the medication classification of a proton (gastric acid) pump inhibitor?

Omeprazole (Prilosec)

The nurse recognizes that the patient diagnosed with a duodenal ulcer will likely experience:

Pain 2 to 3 hours after a meal.

Which of the following is the most successful treatment for gastric cancer?

Peptic ulcers

A patient is in the hospital for the treatment of peptic ulcer disease. The nurse finds the patient vomiting and complaining of a sudden severe pain in the abdomen. The nurse then assesses a board-like abdomen. What does the nurse suspect these symptoms indicate?

Perforation of the peptic ulcer

The nurse is developing a plan of care for a patient with peptic ulcer disease. What nursing interventions should be included in the care plan?

Removal of the tumor

Which of the following bariatric surgical procedures is optimal for long-term weight loss?

Roux-en-Y

A client is recovering from gastric surgery. Toward what goal should the nurse progress the client's enteral intake?

Six small meals daily with 120 mL fluid between meals

Which of the following are signs/symptoms of perforation?

Sudden, severe upper abdominal pain

A patient has a BMI ranger greater than 40 kg/m2. What would this patient's obesity classification be?

Class III

When describing abdominal hernias to a group of nursing students, the instructor would identify which type as most common? You Selected: Inguinal Correct response: Inguinal Explanation: The common abdominal hernias are inguinal, umbilical, femoral, and incisional, with inguinal hernias the most common type.

Which of the following clients is at highest risk for peptic ulcer disease?

Client with blood type O

A client reports severe pain and bleeding while having a bowel movement. Upon inspection, the health care provider notes a linear tear in the anal canal tissue. The client is diagnosed with a: You Selected: fissure. Correct response: fissure. Explanation: An anal fissure (fissure in ano) is a linear tear in the anal canal tissue. An anal fistula (fistula in ano) is a tract that forms in the anal canal. Hemorrhoids are dilated veins outside or inside the anal sphincter. A pilonidal sinus is an infection in the hair follicles in the sacrococcygeal area above the anus.

An older adult client seeks help for chronic constipation. What factor related to aging can cause constipation in elderly clients? You Selected: Decreased abdominal strength Correct response: Decreased abdominal strength Explanation: Decreased abdominal strength, muscle tone of the intestinal wall, and motility all contribute to chronic constipation in the elderly. A decrease in hydrochloric acid causes a decrease in absorption of iron and vitamin B12, whereas an increase in intestinal bacteria actually causes diarrhea.

The nurse is assessing a client with a bleeding gastric ulcer. When examining the client's stool, which of the following characteristics would the nurse be most likely to find?

Black and tarry appearance

A nurse is providing follow-up teaching at a clinic visit for a client recovering from gastric resection. The client reports sweating, diarrhea, nausea, palpitations, and the desire to lie down 15 to 30 minutes after meals. The nurse suspects the client has:

Dumping syndrome.

A patient visited a nurse practitioner because he had diarrhea for 2 weeks. He described his stool as large and greasy. The nurse knows that this description is consistent with a diagnosis of:

Intestinal malabsorption. Explanation: Watery stools are characteristic of disorders of the small bowel, whereas loose, semisolid stools are associated more often with disorders of the large bowel. Large, greasy stools suggest intestinal malabsorption, and the presence of mucus and pus in the stools suggests inflammatory enteritis or colitis.

Medical management of a patient with peritonitis includes fluid, electrolyte, and colloid replacement. The nurse knows to prepare the initial, most appropriate intravenous solution. Which of the following is the correct solution? You Selected: D10W Correct response: 0.9% NS Explanation: The administration of several liters of an isotonic solution is immediately prescribed. Hypovolemia occurs because massive amounts of fluid and electrolytes move from the intestinal lumen into the peritoneal cavity and deplete the fluid in the vascular space.

The nurse is teaching a client with peptic ulcer disease who has been prescribed misoprostol (Cytotec). What information from the nurse would be most accurate about misoprostol?

Prevents ulceration in clients taking nonsteroidal anti-inflammatory drugs (NSAIDs)

The nurse in an extended-care facility reports that a resident has clinical manifestations of fecal incontinence. The health care provider orders a diagnostic study to rule out inflammation. Which study will the nurse prepare the client for? You Selected: Flexible sigmoidoscopy Correct response: Flexible sigmoidoscopy Explanation: The treatment of fecal incontinence depends on the cause. A rectal examination and other endoscopic examinations, such as a flexible sigmoidoscopy, are performed to rule out tumors, inflammation, or fissures. X-ray studies such as barium enema, computed tomography (CT), anorectal manometry, and transit studies may be helpful in identifying alterations in intestinal mucosa and muscle tone or in detecting other structural or functional problems.

When interviewing a client with internal hemorrhoids, what would the nurse expect the client to report? You Selected: Itching Correct response: Rectal bleeding Explanation: Internal hemorrhoids cause bleeding but are less likely to cause pain, unless they protrude through the anus. External hemorrhoids may cause few symptoms, or they can produce pain, itching, and soreness of the anal area.

Which category of laxatives draws water into the intestines by osmosis? You Selected: Saline agents (e.g., magnesium hydroxide) Correct response: Saline agents (e.g., magnesium hydroxide) Explanation: Saline agents use osmosis to stimulate peristalsis and act within 2 hours of consumption. Bulk-forming agents mix with intestinal fluids, swell, and stimulate peristalsis. Stimulants irritate the colon epithelium. Fecal softeners hydrate the stool by surfactant action on the colonic epithelium, resulting in a mixing of aqueous and fatty substances.

Which type of diarrhea is caused by increased production of water and electrolytes by the intestinal mucosa and their secretion into the intestinal lumen? You Selected: Mixed diarrhea Correct response: Secretory diarrhea Explanation: Secretory diarrhea is usually high-volume diarrhea caused by increased production and secretion of water and electrolytes by the intestinal mucosa into the intestinal lumen. Osmotic diarrhea occurs when water is pulled into the intestines by the osmotic pressure of nonabsorbed particles, slowing the reabsorption of water. Mixed diarrhea is caused by increased peristalsis (usually from inflammatory bowel disease) and a combination of increased secretion and decreased absorption in the bowel. The most common cause of diarrheal disease is contaminated food.

After assessing a client with peritonitis, how would the nurse most likely document the client's bowel sounds? You Selected: Hyperactive Correct response: Absent Explanation: Since lack of bowel motility typically accompanies peritonitis, bowel sounds are absent. Therefore, the nurse will not observe mild, high-pitched, or hyperactive bowel sounds.

Diet modifications for patient diagnosed with chronic inflammatory bowel disease include which of the following? You Selected: Calorie restriction Correct response: Low residue Explanation: Oral fluids and a low-residue, high-protein, high-calorie diet with supplemental vitamin therapy and iron replacement are prescribed to meet the nutritional needs, reduce inflammation, and control pain and diarrhea. Reference:

Which of the following is the most common symptom of a polyp? You Selected: Rectal bleeding Correct response: Rectal bleeding Explanation: The most common symptom is rectal bleeding. Lower abdominal pain may also occur. Diarrhea and anorexia are clinical manifestations of ulcerative colitis.

The nurse is performing an abdominal assessment for a patient with diarrhea and auscultates a loud rumbling sound in the left lower quadrant. What will the nurse document this sound as on the nurse's notes? You Selected: Loud bowel sounds Correct response: Borborygmus Explanation: Borborygmus is a rumbling noise caused by the movement of gas through the intestines, often associated with diarrhea.

Which is a true statement regarding regional enteritis (Crohn's disease)? You Selected: The clusters of ulcers take on a cobblestone appearance. Correct response: The clusters of ulcers take on a cobblestone appearance. Explanation: The clusters of ulcers take on a cobblestone appearance. It is characterized by remissions and exacerbations. The pain is located in the lower right quadrant. The lesions are not in continuous contact with one another and are separated by normal tissue.

A patient is admitted to the hospital after not having had a bowel movement in several days. The nurse observes the patient is having small liquid stools, a grossly distended abdomen, and abdominal cramping. What complication can this patient develop related to this problem? You Selected: Diverticulitis Correct response: Bowel perforation Explanation: Megacolon is a dilated and atonic colon caused by a fecal mass that obstructs the passage of colon contents. Symptoms include constipation, liquid fecal incontinence, and abdominal distention. Megacolon can lead to perforation of the bowel.

The nurse is monitoring a client's postoperative course after an appendectomy. The nurse's assessment reveals that the client has vomited, has abdominal tenderness and rigidity, and has tachycardia. The nurse reports to the physician that the client has signs/symptoms of which complication? You Selected: Peritonitis Correct response: Peritonitis Explanation: The nurse should report to the physician that the client has signs/symptoms of peritonitis. Signs/symptoms of a pelvic abscess include anorexia, chills, fever, diaphoresis, and diarrhea. Signs/symptoms of an ileus include absent bowel sounds, nausea, and abdominal distention. Signs/symptoms of hemorrhage include tachycardia, hypotension, anxiety, and bleeding.

Which client requires immediate nursing intervention? The client who: You Selected: complains of anorexia and periumbilical pain. Correct response: presents with a rigid, boardlike abdomen. Explanation: A rigid, boardlike abdomen is a sign of peritonitis, a possibly life-threatening condition. Epigastric pain occurring 90 minutes to 3 hours after eating indicates a duodenal ulcer. Anorexia and periumbilical pain are characteristic of appendicitis. Risk of rupture is minimal within the first 24 hours, but increases significantly after 48 hours. A client with a large-bowel obstruction may have ribbonlike stools.

A client is diagnosed with Zollinger-Ellison syndrome. The nurse knows to assess the client for which characteristic clinical feature of this syndrome? You Selected: Decreased intestinal lactose Correct response: Steatorrhea Explanation: Hyperacidity in the duodenum inactivates pancreatic enzymes causing steatorrhea and ulcer diathesis.

An elderly client diagnosed with diarrhea is taking digoxin. Which electrolyte imbalance should the nurse be alert to? You Selected: Hyponatremia Correct response: Hypokalemia Explanation: The older client taking digitalis must be aware of how quickly dehydration and hypokalemia can occur with diarrhea. The nurse teaches the client to recognize the symptoms of hypokalemia because low levels of potassium intensify the action of digitalis, leading to digitalis toxicity.

Why are antacids administered regularly, rather than as needed, in peptic ulcer disease?

To keep gastric pH at 3.0 to 3.5

Which drug is considered a stimulant laxative? You Selected: Bisacodyl Correct response: Bisacodyl Explanation: Bisacodyl is a stimulant laxative. Magnesium hydroxide is a saline agent. Mineral oil is a lubricant. Psyllium hydrophilic mucilloid is a bulk-forming agent.

Which of the following is considered a bulk-forming laxative? You Selected: Metamucil Correct response: Metamucil Explanation: Metamucil is a bulk-forming laxative. Milk of Magnesia is classified as a saline agent. Mineral oil is a lubricant. Dulcolax is a stimulant.

Review the following four examples of ideal body weight (IBW), actual weight, and body mass index (BMI). Using three criteria for each example, select the body weight that indicates morbid obesity.

IBW = 145 lbs; weight = 290 lbs; BMI = 31 kg/m2

A nurse is providing care for a client recovering from gastric bypass surgery. During assessment, the client exhibits pallor, perspiration, palpitations, headache, and feelings of warmth, dizziness, and drowsiness. The client reports eating 90 minutes ago. The nurse suspects:

Vasomotor symptoms associated with dumping syndrome

A client weighs 215 lbs and is 5' 8" tall. The nurse would calculate this client's body mass index (BMI) as which of the following?

32.7

A 75-year-old male patient presents at the emergency department with symptoms of a small bowel obstruction. An emergency room nurse is obtaining assessment data from this patient. What assessment finding is characteristic of a small bowel obstruction? You Selected: Mucosal edema Correct response: Nausea and vomiting Explanation: Nausea and vomiting are symptoms of a small bowel obstruction. Decrease in urine production and mucosal edema are not symptoms of a bowel obstruction. The patient may defecate mucus, but this is not accompanied by stool.

A client is admitted to the emergency department with reports right lower quadrant pain. Blood specimens are drawn and sent to the laboratory. Which laboratory finding should be reported to the health care provider immediately? You Selected: White blood cell (WBC) count 22.8/mm3 Correct response: White blood cell (WBC) count 22.8/mm3 Explanation: The nurse should report the elevated WBC count. This finding, which is a sign of infection, indicates that the client's appendix might have ruptured. Hematocrit of 42%, serum potassium of 4.2 mEq/L, and serum sodium of 135 mEq/L are within normal limits. Alterations in these levels don't indicate appendicitis.

A nurse is caring for a client who underwent a subtotal gastrectomy. To manage dumping syndrome, the nurse should advise the client to:

Drink liquids only between meals.

A client is admitted to the hospital for diagnostic testing to rule out colorectal cancer. Which intervention should the nurse include on the plan of care? You Selected: Test all stools for occult blood. Correct response: Test all stools for occult blood. Explanation: Blood in the stools is one of the warning signs of colorectal cancer. The nurse should plan on checking all stools for both frank and occult blood. The blood in the stool is coming from the colon or rectum; administering an ointment wouldn't help decrease the bleeding. Preparing a client for a gastrostomy tube isn't appropriate when diagnosing colorectal cancer. Colorectal cancer is usually painless; administering opioid pain medication isn't needed

A client is being treated for diverticulosis. Which points should the nurse include in this client's teaching plan? Select all that apply. You Selected: Drink at least 8 to 10 large glasses of fluid every day. Do not suppress the urge to defecate. Encourage an individualized exercise program Correct response: Do not suppress the urge to defecate. Drink at least 8 to 10 large glasses of fluid every day. Use bulk-forming laxatives Encourage an individualized exercise program Explanation: Avoid constipation; do not suppress the urge to defecate. Consume at least 2 L/day (within limits of the client's cardiac and renal reserve) and include foods that are soft but have increased fiber, such as prepared cereals or soft-cooked vegetables, to increase the bulk of the stool and facilitate peristalsis, thereby promoting defecation. The nurse should encourage daily intake of bulk laxatives such as psyllium. An individualized exercise program is encouraged to improve abdominal muscle tone.

A client underwent a continent ileostomy. Within which time frame should the client expect to empty the reservoir? You Selected: Every 4 to 6 hours Correct response: Every 4 to 6 hours Explanation: The length of time between drainage periods is gradually increased until the reservoir needs to be drained only every 4 to 6 hours and irrigated once each day. This prevents the accumulating effluent from spilling or causing infection.

A client with a diagnosis of acute appendicitis is awaiting surgical intervention. The nurse listens to bowel sounds and hears none and observes that the abdomen is rigid and boardlike. What complication does the nurse determine may be occurring at this time? You Selected: Peritonitis Correct response: Peritonitis Explanation: Lack of bowel motility typically accompanies peritonitis. The abdomen feels rigid and boardlike as it distends with gas and intestinal contents. Bowel sounds typically are absent. The diagnosis of acute appendicitis correlates with the symptoms of rupture of the appendix and peritonitis. A paralytic ileus and gas alone do not produce these symptoms. Reference:

A client with enteritis reports frequent diarrhea. What assessment should the nurse should anticipate? You Selected: metabolic alkalosis Correct response: metabolic acidosis Explanation: Diarrhea causes a bicarbonate deficit. With loss of the relative alkalinity of the lower GI tract, the relative acidity of the upper GI tract predominates, leading to metabolic acidosis. Loss of acid, which occurs with severe vomiting, may lead to metabolic alkalosis. Diarrhea doesn't lead to respiratory acid-base imbalances, such as respiratory acidosis and respiratory alkalosis.

A nurse is assessing a client and obtains the following findings: abdominal discomfort, mild diarrhea, blood pressure of 100/80 mm Hg, pulse rate of 88 beats/minute, respiratory rate of 20 breaths/minute, temperature 100° F (37.8° C). What diagnosis will the nurse suspect for this client? You Selected: inflammatory bowel disease (IBD) Correct response: inflammatory bowel disease (IBD) Explanation: IBD is a collective term for several GI inflammatory diseases with unknown causes. The most prominent sign of IBD is mild diarrhea, which sometimes is accompanied by fever and abdominal discomfort. Colorectal cancer is usually diagnosed after the client complains of bloody stools; the client will rarely have abdominal discomfort. A client with diverticulitis commonly states he has chronic constipation with occasional diarrhea, nausea, vomiting, and abdominal distention. Jaundice, coagulopathies, edema, and hepatomegaly are common signs of liver failure.

A nurse is preparing a presentation for a local community group of older adults about colon cancer. What would the nurse include as the primary characteristic associated with this disorder? You Selected: Frank blood in the stool Correct response: A change in bowel habits Explanation: Although abdominal distention and blood in the stool (frank or occult) may be present, the chief characteristic of cancer of the colon is a change in bowel habits, such as alternating constipation and diarrhea. Abdominal pain is a late sign.

A nurse is teaching an older adult client about good bowel habits. Which statement by the client indicates to the nurse that additional teaching is required? You Selected: "I should eat a fiber-rich diet with raw, leafy vegetables, unpeeled fruit, and whole grain bread." Correct response: "I need to use laxatives regularly to prevent constipation." Explanation: The client requires more teaching if he states that he'll use laxatives regularly to prevent constipation. The nurse should teach this client to gradually eliminate the use of laxatives because using laxatives to promote regular bowel movements may have the opposite effect. A high-fiber diet, ample amounts of fluids, and regular exercise promote good bowel health.

Celiac sprue is an example of which category of malabsorption? You Selected: Postoperative malabsorption Correct response: Mucosal disorders causing generalized malabsorption Explanation: In addition to celiac sprue, regional enteritis and radiation enteritis are examples of mucosal disorders. Examples of infectious diseases causing generalized malabsorption include small-bowel bacterial overgrowth, tropical sprue, and Whipple disease. Examples of luminal problems causing malabsorption include bile acid deficiency, Zollinger-Ellison syndrome, and pancreatic insufficiency. Postoperative gastric or intestinal resection can result in development of malabsorption syndromes.

A nursing assessment of a client with peritonitis reveals hypotension, tachycardia, and signs and symptoms of dehydration. What else would the nurse expect to find? You Selected: rectal bleeding and a change in bowel habits Correct response: severe abdominal pain with direct palpation or rebound tenderness Explanation: Peritonitis decreases intestinal motility and causes intestinal distention. A classic sign of peritonitis is a sudden, diffuse, severe abdominal pain that intensifies in the area of the underlying causative disorder (i.e., appendicitis, diverticulitis, ulcerative colitis, a strangulated obstruction). The client may also have rebound tenderness. Tenderness and pain in the right upper abdominal quadrant suggest cholecystitis. Jaundice and vomiting are signs of cirrhosis of the liver. Rectal bleeding or a change in bowel habits may indicate colorectal cancer.

A patient diagnosed with IBS is advised to eat a diet that is: You Selected: Low in residue. Correct response: High in fiber. Explanation: A high-fiber diet is prescribed to control diarrhea and constipation and is recommended for patients with IBS.

A patient is suspected to have diverticulosis without symptoms of diverticulitis. What diagnostic test does the nurse anticipate educating the patient about prior to scheduling? You Selected: CT scan Correct response: Colonoscopy Explanation: Diverticulosis is typically diagnosed by colonoscopy, which permits visualization of the extent of diverticular disease and biopsy of tissue to rule out other diseases. In the past, barium enema was the preferred diagnostic test, but it is now used less frequently than colonoscopy. CT with contrast agent is the diagnostic test of choice if the suspected diagnosis is diverticulitis; it can also reveal abscesses.

After teaching a group of students about irritable bowel syndrome and antidiarrheal agents, the instructor determines that the teaching was effective when the students identify which of the following as an example of an opiate-related antidiarrheal agent? You Selected: Loperamide Correct response: Loperamide Explanation: Loperamide and diphenoxylate with atropine sulfate are examples of opiate-related antidiarrheal agents. Bismuth subsalicylate and kaolin and pectin are examples of absorbent antidiarrheal agents. Bisacodyl is a chemical stimulant laxative.

After undergoing a total cystectomy and urinary diversion, a client has a Kock pouch (continent internal reservoir) in place. Which statement by the client indicates a need for further teaching? You Selected: "I'll have to wear an external collection pouch for the rest of my life." Correct response: "I'll have to wear an external collection pouch for the rest of my life." Explanation: The client requires additional teaching if he states that he'll have to wear an external collection pouch for the rest of his life. An internal collection pouch, such as the Kock pouch, allows the client to perform self-catheterization for ileal drainage. This pouch is an internal reservoir, eliminating the need for an external collection pouch. A well-balanced diet is essential for healing; the client need not include or exclude particular foods. The client should drink at least eight glasses of fluid daily to prevent calculi formation and urinary tract infection. Intervals between pouch drainings should be increased gradually until the pouch is emptied two to four times daily.

A nurse is teaching a group of middle-aged men about peptic ulcers. When discussing risk factors for peptic ulcers, the nurse should mention:

Alcohol abuse and smoking.

The nurse caring for an older adult client diagnosed with diarrhea is administering and monitoring the client's medications. Because one of the client's medications is digitalis (digoxin), the nurse monitors the client closely for: You Selected: hypokalemia. Correct response: hypokalemia. Explanation: The older client taking digoxin must be aware of how quickly dehydration and hypokalemia can occur with diarrhea. The nurse teaches the client to recognize the symptoms of hypokalemia because low levels of potassium intensify the action of digitalis, leading to digitalis toxicity.

The nurse is assessing a client for constipation. Which review should the nurse conduct first to identify the cause of constipation? You Selected: Current medications Correct response: Usual pattern of elimination Explanation: Constipation has many possible causes and assessing the client's usual pattern of elimination is the first step in identifying the cause. The nurse should obtain a description of the bowel elimination pattern, asking about the frequency, overall appearance and consistency of stool, blood in the stool, pain, and effort necessary to pass stool. It is also essential for the nurse to review the client's current medications, diet, and activity levels.

The nurse is caring for a client with intussusception of the bowel. What does the nurse understand occurs with this disorder? You Selected: The bowel twists and turns itself and obstructs the intestinal lumen. Correct response: One part of the intestine telescopes into another portion of the intestine. Explanation: In intussusception of the bowel, one part of the intestine telescopes into another portion of the intestine. When the bowel twists and turns itself and obstructs the intestinal lumen, this is known as a volvulus. A hernia is when the bowel protrudes through a weakened area in the abdominal wall. An adhesion is a loop of intestine that adheres to an area that is healing slowly after surgery.

The nurse is performing and documenting the findings of an abdominal assessment. When the nurse hears intestinal rumbling and the client then experiences diarrhea, the nurse documents the presence of which condition? You Selected: Azotorrhea Correct response: Borborygmus Explanation: Borborygmus is the intestinal rumbling caused by the movement of gas through the intestines that accompanies diarrhea. Tenesmus refers to ineffectual straining at stool. Azotorrhea refers to excess of nitrogenous matter in the feces or urine. Diverticulitis refers to inflammation of a diverticulum from obstruction (by fecal matter) resulting in abscess formation.

The presence of mucus and pus in the stools suggests which condition? You Selected: Ulcerative colitis Correct response: Ulcerative colitis Explanation: The presence of mucus and pus in the stools suggests ulcerative colitis. Watery stools are characteristic of small-bowel disease. Loose, semisolid stools are associated more often with disorders of the colon. Voluminous, greasy stools suggest intestinal malabsorption.

When preparing a client for surgery to treat appendicitis, the nurse formulates a nursing diagnosis of Risk for infection related to inflammation, perforation, and surgery. What is the rationale for choosing this nursing diagnosis? You Selected: Infection of the appendix diminishes necrotic arterial blood flow and increases venous drainage. Correct response: Obstruction of the appendix reduces arterial flow, leading to ischemia, inflammation, and rupture of the appendix. Explanation: A client with appendicitis is at Risk for infection related to inflammation, perforation, and surgery because obstruction of the appendix causes mucus fluid to build up, increasing pressure in the appendix and compressing venous outflow drainage. The pressure continues to rise with venous obstruction; arterial blood flow then decreases, leading to ischemia from lack of perfusion. Inflammation and bacterial growth follow, and swelling continues to raise pressure within the appendix, resulting in gangrene and rupture. Elderly, not middle-aged, clients are especially susceptible to appendix rupture.

Exam 2--Ch 47: Management of Patients With Intestinal and Rectal Disorders

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