In a research study, ambulatory clinic nurses teach children with asthma how to monitor peak expiratory flow volumes and how to use metered-dose inhalers to determine
whether asthma control scores improve. The researcher discovers inconsistencies in how these measures were taught and how well the children understood the concepts. This represents a lack of:
a. control of extraneous variables.
b. internal validity.
c. intervention fidelity.
d. precision of measurement.
ANS: C
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Individuals who are trained to help the registered nurse in the provision of patient-client care activities as delegated by and under the supervision of the registered professional nurse are known as ____
a. Certified assistive personnel b. Health care assistive personnel c. Medical assistive personnel d. Unlicensed assistive personnel
An ED nurse is triaging patients according to the Emergency Severity Index (ESI). When assigning patients to a triage level, the nurse will consider the patients' acuity as well as what other variable?
A) The likelihood of a repeat visit to the ED in the next 7 days B) The resources that the patient is likely to require C) The patient's or insurer's ability to pay for care D) Whether the patient is known to ED staff from previous visits
All of the following statements about quasi-experimental design are true EXCEPT
a. it is more robust than a true experimental design b. control is not possible c. randomization is not possible d. all subjects have some exposure to the independent variable
An elderly client diagnosed with cardiomyopathy reports having to rest between activities during the day. The nurse realizes the reason for this client's fatigue would be:
1. Decreased cardiac output. 2. Increased blood pressure. 3. An elongated and dilated aorta. 4. Increased stroke volume.