At 15 ?g/kg/min, dopamine:
A) reduces cardiac contractility.
B) antagonizes alpha-1 receptors.
C) activates beta-2 receptor sites.
D) causes vigorous vasoconstriction.
Answer: D) causes vigorous vasoconstriction.
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A patient with actinic keratoses has received a prescription for fluorouracil [Carac]. Which statement by the patient indicates understanding of this medication?
a. "Healing should occur 6 weeks after be-ginning treatment." b. "I will apply this drug twice daily." c. "Severe inflammation is an indication for stopping treatment." d. "Tissue ulceration and necrosis are desired effects."
An African American youth, growing up in an impoverished neighborhood, presents in the emergency department with bruises to his face, chest, and arms
He appears to be upset, is speaking in a dialect that is difficult for the nurse to understand, and is standing within 6 inches of the nurse's personal space. What cultural consideration should a nurse identify as playing a role in this youth's behavior? A. African Americans frequently speak in different tongues when they are upset. B. Most African Americans have learned to be aggressive when they have to see a health professional. C. African Americans tend to use dialects and invasion of personal space to intimidate others. D. Some African Americans speak in a dialect that is different from standard English and tend toward smaller personal space than that of the dominant culture.
The practice or organ transplantation is associated with several important bioethical issues. The ethics of transplantation primarily surround the fact that
A) organ transplantation does not guarantee positive outcomes. B) only a small number of the organs in the body are amenable to transplantation. C) transplantation is a treatment of last resort. D) the demand for organs greatly exceeds the available supply.
Fetal heart rate bradycardia is defined as
A. FHR <110bpm lasting 10 min or greater B. FHR <110bpm lasting 2 min or greater C. FHR <110bpm lasting 20 min or greater