A nurse is caring for a client who is using a non-rebreather mask for oxygen delivery. The nurse should identify which of the following as an indication that the equipment is functioning properly?
Air is heard escaping from around the mask.
The flow control meter dial is at the correct setting.
The attached reservoir bag is inflated.
The exhalation ports are covered during inspiration and expiration.
The Correct Answer is C
A. Air escaping from around the mask indicates a poor mask seal, which would lead to inadequate oxygen delivery and is not an indication of proper equipment function.
B. The flow control meter dial being at the correct setting ensures the appropriate flow rate of oxygen but does not directly indicate the functionality of the mask and reservoir system. C. The attached reservoir bag should be inflated with oxygen when the mask is properly connected and functioning, indicating the delivery of high-concentration oxygen to the client.
D. The non-rebreather mask should not have exhalation ports that are covered during inspiration and expiration; rather, it should allow exhaled air to escape to prevent carbon dioxide buildup within the mask.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Constipation is not a common or serious adverse effect of cefazolin and typically does not require provider notification.
B. Elevated skin patches may indicate an allergic reaction or a more severe hypersensitivity response, such as a rash or urticaria. This requires prompt reporting to the provider to prevent progression to more serious reactions like anaphylaxis.
C. Ringing in the ears (tinnitus) is associated with ototoxic medications, not cefazolin, and is not a typical adverse effect of this antibiotic.
D. Depression is not linked to cefazolin use and is not a side effect the adolescent needs to monitor in this context.
Correct Answer is B
Explanation
- A: The formula infusion rate being too slow typically does not cause diarrhea; instead, it could lead to inadequate nutritional intake.
- B: Administering formula that is too cold can cause diarrhea because the cold temperature can stimulate gastrointestinal motility, leading to increased bowel movements.
- C: A partially obstructed feeding tube is more likely to cause reduced or stopped flow of the formula, potentially leading to inadequate nutrition, rather than diarrhea.
- D: Delayed gastric emptying would typically cause symptoms such as nausea and vomiting, not diarrhea. Diarrhea is more likely when substances pass too quickly through the digestive system.
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