What indicates partially compensated respiratory acidosis in Max's final ICU ABG prior to intubation? (PaO2 58 mmHg [7.7 kPa], pH 7.33, PaCO2 68.3 mmHg [9.1 kPa], BE 7.8)
What will be an ideal response?
Suggested response: Max has a pH lower than 7.35 meaning he is acidotic. His PaCO2 is greater than 45 mmHg (6 kPa) suggesting the acidosis has a respiratory cause (CO2 becomes carbonic acid in the blood). His base excess is greater than +3 meaning his kidneys are attempting to compensate for the acidosis. It is only partial compensation as the pH has not returned to normal parameters.3
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A researcher must select a sample that is representative of the population. Which of the following venues would be most practical for recruitment of patients with primary hypertension?
A) Prenatal clinic B) High school clinic C) Primary care clinic D) Acute care hospital
In which way is the independent variable handled differently in a study with a true experimental design compared with a study with a quasi-experimental design?
a. An experimental design requires an independent variable, whereas a quasi-experimental design neither identifies nor requires an independent variable. b. Although both designs identify an independent variable, the nature of the groups (randomized versus nonrandomized) means that manipulation may result in different results. c. Experimental designs demonstrate that the independent variable is related to the outcome, and quasi-experimental studies allow for independent variables that stand alone. d. Although both designs identify an independent variable, experimental designs identify it before the research is initiated, whereas quasi-experimental designs identify it after the data are analyzed.
When reviewing a client's laboratory results, the nurse is aware that the normal life span of a platelet is:
a. a few hours to days c. 120 days b. 10 days d. 10 years
The nurse admits the client, who has chest pain, from the emergency department. Which should the nurse implement to gain client cooperation during a physical assessment?
1. Explain the procedure and its purpose. 2. Perform assessment in stages over the day. 3. Complete assessment within 3 to 5 minutes. 4. Assess painful areas before nontender areas.