Kupffer cells are best described as:
a. Natural killer cells that produce interferon-gamma (IFN-?)
b. Contractile and therefore capable of regulating the sinusoid blood flow
c. Bactericidal and therefore central to innate immunity
d. Able to metabolize estrogen, progesterone, and androgens
Ans: c. Bactericidal and therefore central to innate immunity
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An older patient with Alzheimer's disease is experiencing increasing episodes of agitation and wandering. The patient has been prescribed risperidone (Risperdal), an atypical antipsychotic. Why should the nurse question this medication order?
A) Physical restraints should be trialed before using an antipsychotic medication B) It is inappropriate to use antipsychotics to manage the behavior of patients with dementia C) The sensory changes that accompany antipsychotic use exacerbate the symptoms of dementia D) Atypical antipsychotics are preferable to traditional sedatives for the treatment of agitation and delirium
The adequacy of a sample would be primarily based on which of the following criteria?
a. Method chosen for sample selection b. Representativeness of the population c. Size of the total population d. Willingness of subjects to participate
In what way can a nurse differentiate strong research from poor research?
A) By conducting the research B) Through author dialogue C) By critiquing the study D) Through the nurse's own informal investigation
A pregnant woman has a malignant melanoma on her leg, and will need surgery. She is concerned about anesthesia. What is the best response by the nurse?
1. "You will probably have an epidural, and this won't harm your baby." 2. "There are newer general anesthetics available that are safe for your baby." 3. "You will most likely have local anesthesia; this will not affect your baby." 4. "Inhalation anesthetics are safe because they remain in your lungs."