ATI RN
WGU Pathophysiology Final Exam
1. A patient with an 18 pack per year history presents to a family practice clinic complaining of painless hoarseness and inability to clear mucus. A biopsy of respiratory tract cells is taken and shows that these cells have been replaced by less mature squamous epithelium cells. The nurse knows this type of change is referred to as:
- A. Dysplasia
- B. Metaplasia
- C. Hyperplasia
- D. Coagulation
Correct answer: B
Rationale: Metaplasia is the replacement of one type of cell with another, which can occur in response to chronic irritation, such as from smoking. In this case, the respiratory tract cells being replaced by less mature squamous epithelium cells indicate metaplasia. Dysplasia refers to abnormal development or growth of cells, not replacement; hyperplasia is an increase in the number of cells, not a replacement; and coagulation is a process related to blood clotting, not cell replacement.
2. In which of the following patients may the administration of a live vaccine be contraindicated?
- A. Patient with renal insufficiency
- B. Patient with hepatic failure
- C. Patient taking steroid therapy
- D. Patient over the age of 65 years
Correct answer: C
Rationale: The correct answer is C. The administration of live vaccines may be contraindicated in patients taking steroid therapy. Steroids can suppress the immune system, reducing the effectiveness of live vaccines. Patients with renal insufficiency or hepatic failure can typically receive live vaccines as these conditions are not direct contraindications. Age alone, such as being over 65 years old, is not a contraindication for live vaccines unless there are other specific health considerations. Therefore, the patient taking steroid therapy is the most likely candidate for whom the administration of a live vaccine would be contraindicated.
3. Peritonitis is a condition that can result in serious complications. Identify one of the complications.
- A. Increased peristalsis
- B. Dizziness and malaise
- C. Sepsis and shock
- D. Nausea and vomiting
Correct answer: C
Rationale: Corrected Rationale: Peritonitis can lead to severe complications such as sepsis and shock due to the infection spreading in the abdominal cavity. Sepsis is a systemic inflammatory response to infection, and shock is a life-threatening condition where the body's organs are not receiving enough blood flow. Choices A, B, and D are incorrect. Increased peristalsis is not a typical complication of peritonitis; dizziness and malaise, as well as nausea and vomiting, are symptoms rather than complications of the condition.
4. A patient is starting on alendronate (Fosamax) for osteoporosis. What instructions should the nurse provide to ensure the effectiveness of the medication?
- A. Take the medication with a full glass of water and remain upright for at least 30 minutes.
- B. Take the medication at bedtime to ensure absorption during sleep.
- C. Take the medication with milk to enhance calcium absorption.
- D. Take the medication with food to prevent gastrointestinal upset.
Correct answer: A
Rationale: The correct answer is to take alendronate with a full glass of water and remain upright for at least 30 minutes. This is essential to prevent esophageal irritation and ensure proper absorption. Choice B is incorrect because taking alendronate at bedtime can increase the risk of esophageal irritation due to lying down. Choice C is incorrect as taking alendronate with milk can reduce its absorption. Choice D is incorrect because alendronate should be taken on an empty stomach to enhance its effectiveness.
5. During the cellular stage of acute inflammation, which type of cells arrive first and in great numbers?
- A. Basophils
- B. Lymphocytes
- C. Neutrophils
- D. Platelets
Correct answer: C
Rationale: During the cellular stage of acute inflammation, neutrophils are the first responders. Neutrophils arrive at the site of injury in large numbers to combat pathogens and remove debris. Basophils and lymphocytes are also involved in the inflammatory response, but they are not the first to arrive. Platelets play a role in hemostasis and blood clotting, rather than being the primary cells involved in the initial inflammatory response.
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