Which assessment finding indicates to the practical nurse that a Venturi face mask is producing the desired effect?
Increased oxygen saturation.
Increased cough productivity.
Decreased cough frequency.
Decreased breath sounds.
The Correct Answer is A
A. Increased oxygen saturation indicates that the Venturi face mask is effectively delivering the specified concentration of oxygen. This is the primary goal of using a Venturi mask, which provides precise oxygen delivery to improve oxygen saturation levels.
B. Increased cough productivity is not a direct indicator of the effectiveness of a Venturi face mask. The mask's purpose is to deliver oxygen, not to alter cough patterns.
C. Decreased cough frequency is unrelated to the function of the Venturi face mask. The mask's effectiveness is measured by oxygen delivery rather than changes in cough frequency.
D. Decreased breath sounds are not a direct measure of the effectiveness of a Venturi face mask. Breath sounds could indicate other respiratory issues but do not specifically reflect the effectiveness of oxygen therapy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A preschooler who had an emergency appendectomy should be checked first. Children are at higher risk for complications due to their size and the stress of emergency surgery, so close monitoring is essential.
B. An adult with osteomyelitis post-surgery is important to monitor but is generally at lower immediate risk compared to a young child following emergency surgery.
C. A post-menopausal client with breast cancer who had a lumpectomy is also a priority, but the immediate postoperative period for a child in emergency surgery takes precedence.
D. An adolescent with type 1 diabetes who had cholecystectomy requires careful monitoring, but the child’s higher risk in the immediate postoperative phase makes them the priority.
Correct Answer is C
Explanation
A. Performing an arterial stick to obtain a PaO2 level is important for diagnostic purposes but does not address the immediate need to improve oxygenation.
B. Obtaining vital signs, including oxygen saturation, is important but should follow the initiation of oxygen therapy to address the immediate threat to the client’s respiratory status.
C. Starting oxygen at 2 liters nasal cannula is the highest priority intervention to immediately improve the client’s oxygenation status and address the acute symptoms of tachypnea and altered mental status.
D. Assessing pain level and last pain medication given is important but secondary to addressing the client's acute respiratory symptoms.
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