A nurse is assisting with the care of a client in a PACU.
Which of the following actions should the nurse take during the management of oxygenation for this client? Select all that apply.
Add a humidifier to the oxygen device.
Place the client in the supine position.
Examine the client's nail beds.
Encourage client to perform deep breathing exercises.
Prepare to administer oxygen via Venturi face mask.
Correct Answer : A,C,D
A. Add a humidifier to the oxygen device: Oxygen delivered at higher flow rates via nasal cannula can dry the mucous membranes, leading to discomfort and potential mucosal irritation. Adding a humidifier maintains mucosal moisture and improves tolerance of oxygen therapy.
B. Place the client in the supine position: Supine positioning can reduce lung expansion and promote atelectasis, especially in a post-sedation client. Encouraging upright or semi-Fowler’s positioning enhances ventilation and oxygenation.
C. Examine the client's nail beds: Assessing nail beds provides a quick visual indicator of tissue oxygenation and perfusion, allowing the nurse to evaluate the effectiveness of oxygen therapy and detect early hypoxemia.
D. Encourage client to perform deep breathing exercises: Deep breathing and incentive spirometry help prevent atelectasis, promote alveolar expansion, and improve oxygenation, particularly important after sedation and colonoscopy.
E. Prepare to administer oxygen via Venturi face mask: A Venturi mask is typically used for precise oxygen delivery in chronic respiratory disease. For a post-procedure client requiring 2–5 L/min to maintain SpO₂ > 92%, nasal cannula is appropriate, and escalation to a Venturi mask is not indicated at this stage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"A"},"D":{"answers":"A"}}
Explanation
Rationale:
• Weigh the adolescent each morning after voiding and before any intake: Daily weight monitoring is a standard intervention in inpatient treatment for anorexia nervosa. Weighing after voiding and before eating ensures accurate, consistent measurement of body weight trends, which is critical for assessing treatment progress and detecting rapid weight loss or gain.
• Monitor the adolescent for 1 hr after each meal: Post-meal monitoring is essential in anorexia nervosa care to prevent purging behaviors, such as vomiting or laxative use. Observation ensures the adolescent consumes the prescribed meals and supports safe refeeding, which is a core component of inpatient treatment protocols.
• Allow the adolescent to exercise for up to 1 hr per day: Exercise is generally restricted in the early phase of treatment for anorexia nervosa to prevent further energy depletion and cardiovascular strain. Permitting exercise could exacerbate malnutrition, weight loss, and electrolyte imbalance.
• Obtain an electrocardiogram: The adolescent exhibits bradycardia (heart rate 48/min), hypotension (80/50 mm Hg), and irregular heart rhythm, which increases the risk of cardiac complications. ECG monitoring is a routine intervention to assess cardiac status and detect arrhythmias associated with severe malnutrition.
Correct Answer is A
Explanation
A. Urticaria: The appearance of hives (urticaria) is a classic sign of an allergic reaction to medications, including vancomycin. It reflects histamine release and immune hypersensitivity, requiring prompt assessment and possible intervention.
B. Hypertension: Vancomycin does not typically cause elevated blood pressure as an allergic response. Blood pressure changes are more likely related to underlying conditions or infusion-related hemodynamic effects, not allergy.
C. Headache: Headache is not a typical manifestation of an allergic reaction to vancomycin. It may occur as a nonspecific adverse effect but does not indicate immune-mediated hypersensitivity.
D. Tinnitus: Tinnitus is associated with vancomycin ototoxicity at high doses or with prolonged therapy, not an immediate allergic reaction. It reflects potential auditory nerve or cochlear involvement rather than histamine-mediated responses.
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