A nurse conducts a study to examine the effects of a new intervention on FEV1 levels in patients with COPD and uses all patients admitted to a hospital during a 2-month period. This is an example of which type of sampling method?

A patient with severe environmental allergies is scheduled for an immunotherapy injection. What should be included in teaching the patient about this treatment?

A) The patient will be given a low dose of epinephrine before the treatment. B) The patient will remain in the clinic to be monitored for 30 minutes following the injection. C) Therapeutic failure occurs if the symptoms to the allergen do not decrease after 3 months. D) The allergen will be administered by the peripheral intravenous route.

Which of the following is worrisome in Melissa, a woman in her 26th week of pregnancy?

A) Generalized hair loss B) A hyperpigmented rash over the maxillary region bilaterally C) Nosebleeds D) Facial edema

Which two ethical principles come into question when community health research projects involve health screening?

A) Autonomy and nonmaleficence B) Fidelity and veracity C) Respect for persons and beneficence D) Beneficence and justice

A client has had a sudden 5-kg weight gain. The nurse calculates the client's fluid retention as being:

1. 2.5 L. 2. 5 L. 3. 10 L. 4. 15 L.