The nurse is preparing to administer a medication to a patient on a medical-surgical unit. The median lethal dose of the drug is 40 mg, and the median effective dose is 10 mg. The nurse calculates the therapeutic index to be _____
What will be an ideal response?
Correct Answer: 4
Rationale : The therapeutic index is calculated by dividing the median lethal dose (LD50) by the median effective dose (ED50).
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The nurse recognizes that the interpretation of human genome
a. allows for scientists to predict the occurrence of disease in an individual b. raises problems related to ethics and client confidentiality c. will allow for the prevention of most diseases d. will eradicate diseases such as heart disease and cancer
Which parenteral antihistamines have sedative effects that are classified as low to none? (Select all that apply.)
a. Cetirizine (Zyrtec) b. Clemastine (Tavist Allergy) c. Desloratadine (Clarinex) d. Fexofenadine (Allegra) e. Loratadine (Claritin)
Which of the following is correct regarding prognostic factors for determining survival for a child newly diagnosed with ALL?
1. The initial white blood cell count on diagnosis. 2. The race of the child. 3. The amount of time needed to initiate treatment. 4. Children aged 12 to 15 years.
The nurse is caring for an adolescent who survived a tornado and is diagnosed with posttraumatic stress disorder (PTSD). What therapy might be used to emphasize positive outcomes of trauma?
1. Somatic experiencing 2. Posttraumatic growth (PTG) 3. Cognitive-behavioral therapy (CBT) 4. Eye movement desensitization and reprocessing (EMDR)