While working in the Emergency department a Rapid response nurse is evaluating a patient in acute respiratory failure after a motor vehicle crash. Which of the following areas should the nurse evaluate as the most reliable indicator of central cyanosis?
Soles of the feet
Oral mucosa
Ear lobes
Conjunctivae
The Correct Answer is B
(a) Soles of the feet:
The soles of the feet are not considered the most reliable indicator of central cyanosis because peripheral areas can be affected by various factors, including temperature and circulation. Changes in color here might not accurately reflect central oxygenation status.
(b) Oral mucosa:
The oral mucosa is the most reliable indicator of central cyanosis because it reflects the oxygenation status of the central circulatory system. Cyanosis in this area indicates a significant drop in arterial oxygen saturation and is a more direct indicator of hypoxemia compared to peripheral sites.
(c) Ear lobes:
Ear lobes, like the soles of the feet, can be influenced by peripheral circulation and environmental factors. While cyanosis can be observed here, it is not as reliable as central sites like the oral mucosa for assessing systemic oxygenation.
(d) Conjunctivae:
The conjunctivae can show signs of cyanosis, but the oral mucosa is still a more sensitive and reliable indicator for central cyanosis. The oral mucosa provides a clear and consistent site to assess oxygenation in emergency situations.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D","E"]
Explanation
A) Location: Documenting the exact location of lesions is crucial for monitoring changes over time, assessing potential spread or resolution, and providing accurate information for future reference. This information helps in the diagnosis and in tracking the effectiveness of treatments.
B) Color: The color of lesions can provide important clues about their nature and cause. For example, red or inflamed lesions might indicate infection or irritation, while darker lesions could suggest malignancy or chronicity. Color changes can also signify healing or worsening of the lesion.
C) Condition of surrounding skin: Noting the condition of the skin around the lesions helps assess whether there is additional inflammation, infection, or other skin conditions that may be related to the primary lesion. This provides a more comprehensive understanding of the patient’s skin health and any secondary complications.
D) Elevation: Elevation refers to whether the lesion is raised, flat, or depressed compared to the surrounding skin. This characteristic helps in identifying the type of lesion, such as a papule, plaque, or ulcer. Elevated lesions might suggest certain dermatological conditions, while depressed lesions might indicate scarring or loss of tissue.
E) Distribution pattern: The pattern of how lesions are distributed on the body can provide diagnostic clues. For example, a linear distribution might suggest contact dermatitis, while a symmetrical distribution could indicate a systemic condition. Understanding the distribution pattern helps in identifying the underlying cause and planning appropriate treatment.
Correct Answer is C
Explanation
(a) Inquire about family history of headaches:
While understanding the client's family history of headaches can be important for a comprehensive assessment, it is not the immediate priority. The description of "the worst headache" ever experienced could indicate a serious condition that needs urgent attention.
(b) Review the client's medical record:
Reviewing the client's medical record provides valuable information about their history and potential underlying conditions. However, given the severity of the reported headache, it is crucial to perform a more immediate physical assessment to rule out life-threatening conditions.
(c) Assess the client's blood pressure:
Assessing the client's blood pressure is a critical initial action. A severe headache can be a symptom of hypertensive crisis, stroke, or other serious conditions. High blood pressure could provide an immediate clue to the severity and cause of the headache, allowing for quicker intervention.
(d) Provide medication for pain relief:
Providing pain relief is important, but it should not be the first action without determining the cause of the headache. Administering medication without assessing the client's condition could mask symptoms of a potentially serious underlying issue such as a stroke or hypertensive emergency.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.