The nurse reviews the client's arterial blood gas and finds the pH is 7.31, pCO2 is 50, and HCO3 is 23. The nurse attributes these results to which of the following?
1. Inadequate kidney function
2. Inadequate respiratory function
3. Excessive intake of alkaline foods
4. Diarrhea and vomiting
2
Rationale: The acidic level of the pH in combination with an elevated carbon dioxide level indicates that the client's breathing is inadequate to meet gas exchange needs of the body. Inadequate kidney function would have an impact on bicarbonate levels. Bicarbonate levels would be increased if excessive intake of alkaline foods were to blame, and diarrhea and vomiting would cause a metabolic, not a respiratory, picture.
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The nurse counsels the 16-year-old boy that playing his music at high volume can result in impairment in hearing related to:
a. damaged tympanic membrane. b. protective buildup of cerumen. c. damage of the fine hair cells in the organ of Corti. d. rupture of the oval window.
When preparing a client care assignment, what is the most important factor for the nurse to consider first?
a. Number of clients in the assignment b. Scope of practice of each employee c. Acuity level of the client d. Number of scheduled discharges on the unit
The nurse could maximize patient teaching for an individual with an identified auditory learning style preference by
a. providing an audiotape of important information that the patient could replay. b. allowing the patient to handle equipment before practicing a self-care technique. c. playing a videotape to demonstrate a self-care technique to the patient. d. drawing diagrams of important concepts the patient needs to learn.
Sensitivity and specificity are important criteria for screening and diagnostic instruments. What is sensitivity?
A) Different method of measuring the same attributes yielding similar results B) Ability to differentiate the construct being measured from other similar concepts C) Instrument's ability to identify a case correctly D) Instrument's ability to identify noncases correctly.