A nurse is assessing a client who has asthma and signs of central cyanosis. Which of the following is a reliable indicator of cyanosis?
Oral mucosa
Tip of the nose
Ear lobes
Eye lids
The Correct Answer is A
A. Oral mucosa:
The oral mucosa, including the inside of the mouth, tongue, and lips, is a reliable indicator of cyanosis. Cyanosis appears as a bluish discoloration of these tissues due to decreased oxygen saturation in the arterial blood. Assessing the oral mucosa is an essential component of clinical examination, especially in patients with respiratory conditions like asthma, as it provides valuable information about oxygenation status.
B. Tip of the nose:
While the tip of the nose may exhibit cyanosis in some cases, it is not considered as reliable of an indicator as the oral mucosa. The nasal tip is more susceptible to external factors such as cold temperatures or poor circulation, which can cause temporary discoloration. Therefore, it may not always accurately reflect the oxygenation status of the patient compared to the oral mucosa.
C. Ear lobes:
Cyanosis may be observed in the ear lobes in cases of severe hypoxemia, but it is not as reliable of an indicator as the oral mucosa. The ear lobes are less commonly assessed for cyanosis compared to other areas such as the lips, nail beds, or oral mucosa. While cyanosis may be present in the ear lobes, it is not typically the primary site assessed for oxygenation status.
D. Eyelids:
Cyanosis is not typically observed in the eyelids and is not considered a reliable indicator of hypoxemia. The eyelids are not commonly assessed for cyanosis during clinical examinations. While the conjunctiva (the lining inside the eyelids) may appear pale in cases of severe anemia, it is not a specific sign of hypoxemia. Assessment of the oral mucosa, lips, and nail beds is preferred for evaluating oxygenation status in patients with respiratory conditions like asthma.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Offer small frequent meals
Offering small, frequent meals is beneficial for patients with COPD because it helps overcome the challenges associated with dyspnea and fatigue. Large meals can cause discomfort and increase the effort required for breathing, which can exacerbate respiratory symptoms. By providing smaller, more manageable portions of food throughout the day, patients with COPD can maintain their energy levels and meet their nutritional needs without experiencing excessive respiratory distress.
B. Encourage extra liquids with meals
Encouraging extra liquids with meals can help prevent dehydration and thin respiratory secretions, making it easier for patients with COPD to manage their respiratory symptoms. However, excessive fluid intake can also lead to feelings of fullness and discomfort, especially in patients with compromised lung function. Therefore, while it's important to encourage adequate hydration, particularly during meals, it's also essential to balance fluid intake to avoid exacerbating respiratory symptoms.
C. Assist the patient to exercise before meals
While regular exercise is beneficial for overall health and can help improve respiratory function in patients with COPD, exercising immediately before meals may not be practical or advisable for all patients. Patients with COPD may experience fatigue and dyspnea during physical activity, which can affect their ability to eat and digest food effectively. Additionally, exercising before meals may increase energy expenditure and exacerbate respiratory symptoms, making it more challenging for patients to consume an adequate amount of nutrients. Instead, patients with COPD may benefit from engaging in light physical activity or respiratory exercises at a different time of day to improve their respiratory function and overall well-being.
D. Supply information about nutrition
Providing information about nutrition is essential for patients with COPD to help them make healthy dietary choices and manage their condition effectively. However, simply supplying information may not be sufficient to enhance the nutritional status of patients with COPD. It's important to offer practical guidance and support, such as meal planning tips, dietary modifications, and strategies for overcoming barriers to healthy eating. Additionally, individualized dietary counseling from a registered dietitian can be beneficial for patients with COPD to address specific nutritional needs and preferences.
Correct Answer is D
Explanation
A. Treatment is not needed if the client is asymptomatic.
Even asymptomatic pulmonary embolisms can lead to complications such as progression to symptomatic PE or development of chronic thromboembolic pulmonary hypertension. Therefore, treatment is necessary to prevent these complications.
B. Treatment is not needed if the pulmonary embolism is intermediate.
The severity of a pulmonary embolism is determined by various factors, including the size and location of the clot and the degree of obstruction in the pulmonary arteries. Intermediate-risk pulmonary embolisms still require treatment to prevent complications and reduce the risk of progression to a more severe or life-threatening condition.
C. Treatment is not needed if the client is hemodynamically stable.
Hemodynamic stability refers to the client's circulatory status and whether they are maintaining adequate blood flow to vital organs. While hemodynamically stable clients may not require aggressive interventions such as thrombolytic therapy or surgical embolectomy, they still require anticoagulant therapy to prevent further clot formation and reduce the risk of complications.
D. Treatment is needed for all clients who have a pulmonary embolism.
Pulmonary embolism (PE) is a serious and potentially life-threatening condition that requires prompt treatment. Regardless of the severity of symptoms or the client's hemodynamic stability, treatment is necessary to prevent complications and reduce the risk of recurrence. Treatment typically includes anticoagulant therapy to prevent further clot formation and may include additional interventions such as thrombolytic therapy or surgical interventions in certain cases.
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