James, a health care professional, states that the drug morphine is an agonist. Which of the following supports his statement?
A. Morphine binds to specific sites in the body and signals surrounding drug molecules to the area.
B. Morphine binds to specific receptor sites in the body and inhibits certain cellular functions.
C. Morphine binds to specific receptor sites in the body and triggers a series of cellular changes.
D. Morphine is immediately absorbed by the cells of the body and metabolized.
Answer: C
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Which of the following should the nurse keep in mind when caring for a patient receiving a cyproheptadine (CYP) inducer, such as phenytoin, and also glucocorticoid therapy?
A) Blood levels of prednisone will increase B) Hepatic biotransformation of glucocorticoids is accelerated C) Hepatic metabolism is decreased D) Moderate absorption occurs when administered via the synovial and the conjunctival spaces
The emergency department nurse is assessing a client in shock. The nurse understands that shock can be caused by which conditions? Select all that apply.
A) Psychological distress B) Obstruction of blood flow C) Failure of the heart to pump D) Inflammatory vascular disease E) Low blood volume
Fat deposits in the circulatory system of an older adult can lead to:
a. diffuse conduction disturbances. b. exaggerated contractility. c. heart failure. d. thinning of the ventricles.
A patient planning to have genetic testing prior to having children tells the nurse that she is fearful that people will learn about the testing and the results. How should the nurse respond to this concern?
1. "The results of the tests are confidential, and no one can see them without your permission.". 2. "Most insurance companies will want the results before paying for the tests.". 3. "The results will be available to anyone who reviews your medical record.". 4. "The doctor will most likely use the results when planning care and treatment for other patients with the same genetic disorder.".