Answer to Question 1
A
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A The nurse caring for the patient with a nasal cannula should plan to assess the patient's nares and superior surface of both ears for skin breakdown every 6 hours.
B The nurse should check patency of the cannula every 8 hours; he or she should not need to check every 2 hours.
C The nurse does not need to check the patient's mouth in relation to the patient's use of a nasal cannula. The nurse should continue providing oral hygiene and may assess the mouth (i.e., tongue) for cyanosis, along with other assessment measures.
D Oxygen flow should be monitored continuously, not every 24 hours.
Answer to Question 2
D
The tolerable upper intake level (UL) is the highest level that likely poses no risk of adverse health events. It is not a recommended level of intake. The EAR is the recommended amount of a nutrient that appears sufficient to maintain a specific body function for 50 of the population based on age and gender. The RDA reflects the average needs of 98 of the population, not the exact needs of the individual. AI is the suggested intake for individuals based on observed or experimentally determined estimates of nutrient intakes and is used when evidence is insufficient for setting of the RDA.
The patient interview often requires note taking.
Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
The physician uses auscultation to listen to a patient’s heart.
When the exhaust is rich, the output of a zirconia oxygen sensor is above 450 mV.
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