ATI RN
Pathophysiology Final Exam
1. The registered nurse is teaching a class on inflammation and explains that which cell is the predominant phagocyte arriving early at inflammatory and infection sites?
- A. Macrophages
- B. Mast cells
- C. Monocytes
- D. Neutrophils
Correct answer: D
Rationale: Neutrophils are the correct answer as they are the predominant phagocytes arriving early at inflammatory and infection sites. Neutrophils are part of the body's innate immune system and are among the first responders to sites of inflammation or infection. They play a crucial role in engulfing and destroying pathogens. Macrophages, although important phagocytes, usually arrive later at the site. Mast cells are involved in allergic reactions and not primarily phagocytes. Monocytes are precursors to macrophages and are not the predominant phagocytes arriving early at inflammatory sites.
2. Which action would break sterile technique while preparing a sterile field for a dressing change?
- A. Using sterile forceps instead of sterile gloves to handle a sterile item
- B. Touching the outside wrapper of sterilized material without sterile gloves
- C. Placing a sterile object at the edge of the sterile field
- D. Pouring out a small amount of solution (15 to 30 ml) before pouring it into a sterile container
Correct answer: B
Rationale: Touching the outside wrapper of sterilized material without sterile gloves can introduce contaminants and compromise the sterility of the item. It is crucial to maintain strict adherence to sterile technique to prevent infections and ensure patient safety during procedures.
3. The clinical nurse educator is presenting health promotion education to a patient who will be treated for non-Hodgkin lymphoma on an outpatient basis. The nurse should recommend which of the following actions?
- A. Avoiding direct sun exposure in excess of 15 minutes daily
- B. Avoiding grapefruit juice and fresh grapefruit
- C. Avoiding highly crowded public places
- D. Using an electric shaver rather than a razor
Correct answer: C
Rationale: Patients with non-Hodgkin lymphoma (NHL) often experience a compromised immune system due to both the disease itself and the effects of treatments like chemotherapy and radiation, which cause myelosuppression (decreased production of blood cells, including white blood cells). This puts them at significant risk for infections. Avoiding crowded places is a crucial preventive measure, as it reduces the patient's exposure to pathogens that could lead to infections, which can be particularly severe due to their weakened immune system.
4. What is the conversion of genetic information in RNA into a sequence of amino acids?
- A. translation
- B. transcription
- C.
- D.
Correct answer: A
Rationale: The correct answer is 'translation.' Translation is the process where the genetic information in messenger RNA (mRNA) is decoded to produce a specific sequence of amino acids, forming a protein. This process occurs at ribosomes within the cell. Option B, 'transcription,' is incorrect as transcription is the process of synthesizing mRNA from a DNA template. Options C and D are irrelevant as they are not related to the conversion of genetic information into amino acids.
5. A healthcare professional is reviewing the medical record of a client with schizophrenia. Which of the following findings should the professional report to the provider?
- A. Blood pressure: 102/56 mm Hg.
- B. Heart rate: 95/min.
- C. Sore throat.
- D. WBC count 14,000/mm^3.
Correct answer: D
Rationale: An elevated WBC count should be reported to the provider as it may indicate an infection. Elevated white blood cell counts can be a sign of an underlying infection or inflammation. Monitoring and reporting abnormal laboratory values are essential for timely interventions. The other options, such as blood pressure, heart rate, and a sore throat, while important for overall assessment, are not directly related to the potential medical urgency indicated by an elevated WBC count.
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