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A client with chronic kidney disease (CKD) is scheduled for hemodialysis. Which pre-dialysis assessment finding should the nurse report to the healthcare provider?
- A. Serum potassium of 5.5 mEq/L.
- B. Blood pressure of 180/90 mm Hg.
- C. Heart rate of 80 beats per minute.
- D. Serum sodium of 140 mEq/L.
Correct Answer: B
Rationale: The correct answer is B: Blood pressure of 180/90 mm Hg. High blood pressure can worsen kidney function and increase the risk of cardiovascular complications during hemodialysis. The nurse should report this finding to the healthcare provider for prompt management.
A: Serum potassium of 5.5 mEq/L is slightly elevated but not an immediate concern before hemodialysis.
C: Heart rate of 80 beats per minute is within normal range and not a priority assessment for pre-dialysis.
D: Serum sodium of 140 mEq/L is within normal limits and does not require immediate attention before hemodialysis.
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A 60-year-old woman presents with fatigue, pruritus, and jaundice. Laboratory tests reveal elevated bilirubin and alkaline phosphatase levels. What is the most likely diagnosis?
- A. Hepatitis C
- B. Primary biliary cirrhosis
- C. Hemochromatosis
- D. Wilson's disease
Correct Answer: B
Rationale: The most likely diagnosis is B: Primary biliary cirrhosis. This condition commonly presents with fatigue, pruritus, jaundice, elevated bilirubin, and alkaline phosphatase levels in older women. Primary biliary cirrhosis is an autoimmune liver disease that leads to destruction of bile ducts. The other choices are less likely because Hepatitis C typically presents with acute symptoms, Hemochromatosis presents with iron overload symptoms, and Wilson's disease presents with copper accumulation symptoms, which do not match the patient's clinical presentation.
A 56-year-old woman presents to discuss the results of her recent upper endoscopy. She was having some mild abdominal pain, so she underwent the procedure, which revealed an ulcer in the antrum of the stomach. Biopsy of the lesion revealed the presence of H. pylori. All of the following statements regarding her condition are correct except
- A. H. pylori has been associated with gastric MALT (mucosa-associated lymphoid tissue)
- B. Reinfection is rare despite adequate treatment
- C. Triple drug therapy has been shown to be more effective than dual drug therapy
- D. If her H. pylori IgG antibody titer was elevated prior to therapy, it can be used to monitor treatment efficacy
Correct Answer: B
Rationale: The correct answer is B: Reinfection is rare despite adequate treatment. H. pylori reinfection can occur, especially in high-prevalence areas or due to poor hygiene. A: Correct - H. pylori is associated with gastric MALT lymphoma. C: Correct - Triple therapy (usually with a proton pump inhibitor, clarithromycin, and amoxicillin) is more effective than dual therapy. D: Correct - H. pylori IgG antibody titer can be used to assess treatment response. Reinfection is not rare and can happen, making option B incorrect.
A client with a history of deep vein thrombosis (DVT) is receiving warfarin (Coumadin). Which instruction should the nurse provide?
- A. Avoid green leafy vegetables.
- B. Take aspirin for headaches.
- C. Use a soft-bristled toothbrush.
- D. Limit fluid intake to 1 liter per day.
Correct Answer: C
Rationale: The correct answer is C: Use a soft-bristled toothbrush. Patients on warfarin are at risk for bleeding due to its anticoagulant effect. Using a soft-bristled toothbrush helps prevent gum bleeding and injury to the gums, reducing the risk of bleeding complications. Avoiding green leafy vegetables (choice A) is not necessary, as consistent intake is key for warfarin dosing. Taking aspirin (choice B) can increase the risk of bleeding. Limiting fluid intake (choice D) is not indicated in this case.
A 28-year-old woman presents with abdominal pain, diarrhea, and weight loss. She has a history of recurrent mouth ulcers and a perianal fistula. What is the most likely diagnosis?
- A. Ulcerative colitis
- B. Irritable bowel syndrome
- C. Crohn's disease
- D. Diverticulitis
Correct Answer: C
Rationale: The most likely diagnosis for the 28-year-old woman with abdominal pain, diarrhea, weight loss, mouth ulcers, and perianal fistula is Crohn's disease. Crohn's disease is characterized by inflammation that can occur anywhere in the digestive tract, leading to symptoms like abdominal pain, diarrhea, weight loss, mouth ulcers, and fistulas. Ulcerative colitis primarily affects the colon, not the entire digestive tract like in this case. Irritable bowel syndrome typically presents with abdominal pain and changes in bowel habits but not with fistulas. Diverticulitis is inflammation of pouches that can develop in the colon, but it does not typically present with mouth ulcers or fistulas.
A client with a history of myocardial infarction (MI) is prescribed nitroglycerin (Nitrostat) for chest pain. Which instruction should the nurse provide?
- A. Take the medication with food.
- B. Swallow the tablet whole.
- C. Take the medication at bedtime.
- D. Place the tablet under your tongue.
Correct Answer: D
Rationale: The correct answer is D: Place the tablet under your tongue. Nitroglycerin is a vasodilator used to relieve chest pain in patients with MI. Placing the tablet under the tongue allows for rapid absorption through the oral mucosa, providing quick relief. Taking it with food (A) may delay absorption. Swallowing the tablet whole (B) would result in slower absorption through the GI tract. Taking it at bedtime (C) is not necessary for immediate relief of chest pain.