Nokea
A client with chronic obstructive pulmonary disease (COPD) is prescribed tiotropium (Spiriva). Which instruction should the nurse include in the client's teaching?
- A. Use this medication only during acute exacerbations.
- B. Rinse your mouth after using the inhaler.
- C. Take this medication with food.
- D. Increase your fluid intake to at least 3 liters per day.
Correct Answer: B
Rationale: The correct answer is B: Rinse your mouth after using the inhaler. This instruction is important because tiotropium is an inhaled medication that can cause dry mouth and increase the risk of oral thrush. Rinsing the mouth after each use helps reduce these side effects.
A: Using the medication only during acute exacerbations is incorrect because tiotropium is a maintenance medication for COPD to improve lung function and reduce symptoms.
C: Taking the medication with food is unnecessary as tiotropium can be taken with or without food.
D: Increasing fluid intake to at least 3 liters per day is not specifically related to tiotropium use and is not necessary for all COPD patients.
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A 68-year-old man with a history of diabetes, hypertension, and coronary artery disease (s/p coronary artery bypass graft two years ago) presents to the emergency room with fevers and left-sided abdominal pain. His physical examination reveals a temperature of 101.5°F, pulse 96, and blood pressure of 135/80. His abdomen is soft with moderate left lower quadrant tenderness. There is no rebound or guarding. Bowel sounds are present. A CT scan is done which reveals inflammation around an area of the left colon. The next step in his workup/management should be
- A. Antibiotic therapy with ciprofloxacin and metronidazole
- B. Referral for urgent colonoscopy
- C. Referral to a surgeon for immediate hemicolectomy
- D. Barium enema
Correct Answer: A
Rationale: The correct answer is A: Antibiotic therapy with ciprofloxacin and metronidazole. This patient likely has diverticulitis given his age, comorbidities, symptoms, and imaging findings. Antibiotic therapy is the initial management for uncomplicated diverticulitis to cover for common pathogens. Surgical intervention is not indicated in the absence of complications like perforation or abscess. Urgent colonoscopy or barium enema are contraindicated during an acute episode of diverticulitis due to the risk of perforation. Antibiotic therapy aims to resolve the infection and prevent complications.
A 56-year-old woman with rheumatoid arthritis has severe joint pain and swelling in her hands. She has a history of peptic ulcer disease five years ago but presently has no GI symptoms. You elect to start her on an NSAID. Which of the following is correct?
- A. Proton-pump inhibitors and H2-blockers are equally effective in prophylaxis against NSAID-related GI toxicity.
- B. Misoprostol is superior to an H2-blocker in prophylaxis against NSAID-related GI toxicity.
- C. Sucralfate is not the drug of choice for prophylaxis in this patient.
- D. H. pylori infection can alter the risk for an NSAID-induced ulcer.
Correct Answer: B
Rationale: Step 1: Misoprostol is a prostaglandin analog that helps protect the gastric mucosa by increasing mucus production. This mechanism of action makes it effective in preventing NSAID-related GI toxicity.
Step 2: H2-blockers (Choice A) and PPIs are not as effective as misoprostol in preventing NSAID-related GI toxicity.
Step 3: Sucralfate (Choice C) is not as effective as misoprostol in preventing NSAID-related GI toxicity due to its different mechanism of action.
Step 4: H. pylori infection (Choice D) can increase the risk of NSAID-induced ulcers but is not directly related to the prophylactic treatment with misoprostol.
Which of the following statements about Helicobacter pylori (H. pylori) is false?
- A. H. pylori does not invade the gastric or duodenal epithelium
- B. H. pylori stimulates gastric acid secretion
- C. Eradication of H. pylori prevents adenocarcinoma of the stomach
- D. H. pylori produces a urease that splits urea into ammonia and CO2
Correct Answer: C
Rationale: Rationale:
C is false because eradication of H. pylori does not completely prevent adenocarcinoma of the stomach, although it reduces the risk. A is true as H. pylori can invade epithelium. B is true as it can stimulate acid secretion. D is true as H. pylori produces urease. Thus, C is the only false statement.
A 28-year-old woman presents with abdominal pain, diarrhea, and rectal bleeding. She has a history of similar episodes in the past. What is the most likely diagnosis?
- A. Ulcerative colitis
- B. Irritable bowel syndrome
- C. Celiac disease
- D. Diverticulitis
Correct Answer: A
Rationale: The correct answer is A: Ulcerative colitis. This chronic inflammatory condition affects the colon and rectum, leading to symptoms like abdominal pain, diarrhea, and rectal bleeding. The patient's recurrent episodes and history of similar symptoms point towards ulcerative colitis. Irritable bowel syndrome (choice B) typically presents with abdominal pain, bloating, and changes in bowel habits but not rectal bleeding. Celiac disease (choice C) presents with gastrointestinal symptoms after consuming gluten. Diverticulitis (choice D) presents with localized abdominal pain and fever due to inflammation or infection of the diverticula, not typically with rectal bleeding.
A 70-year-old woman presents with fatigue, anorexia, and weight loss. She has noticed darkening of her skin, particularly in sun-exposed areas. Laboratory tests reveal hyponatremia, hyperkalemia, and low cortisol levels. What is the most likely diagnosis?
- A. Cushing's syndrome
- B. Addison's disease
- C. Hypothyroidism
- D. Pheochromocytoma
Correct Answer: B
Rationale: The most likely diagnosis for the 70-year-old woman is Addison's disease. The symptoms of fatigue, anorexia, weight loss, darkened skin, along with hyponatremia, hyperkalemia, and low cortisol levels indicate adrenal insufficiency. Addison's disease is characterized by inadequate production of cortisol and aldosterone by the adrenal glands. The darkening of the skin, known as hyperpigmentation, is a classic sign of Addison's due to increased ACTH levels stimulating melanin production. In contrast, Cushing's syndrome presents with weight gain, hypertension, and high cortisol levels. Hypothyroidism typically presents with weight gain, cold intolerance, and constipation. Pheochromocytoma presents with hypertension, palpitations, and headaches due to excess catecholamine production. Therefore, the correct diagnosis in this case is Addison's disease.