Identify an accurate statement about cocaine.
A. Cocaine is absorbed from the intestinal tract and from all mucous membranes.
B. Cocaine has a longer duration of action than amphetamines.
C. Cocaine is least effective when administered intranasally.
D. Cocaine is ineffective when taken orally.
Answer: A
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A nursing student is learning the difference between theoretical and conceptual frameworks. Which statement, if made by the student, indicates the need for further teaching?
1. A theoretical framework presents a broad, general explanation of the relationships between the concepts of interest in a research study. 2. A conceptual framework helps to explain the relationship between concepts. 3. A conceptual framework is a less well-developed structure than a theoretical framework but may serve as the impetus for the formulation of a theory. 4. A theoretical framework is based on many existing theories.
The placenta allows exchange of oxygen, nutrients, and waste products between the mother and fetus by
a. Contact between maternal blood and fetal capillaries within the chorionic villi b. Interaction of maternal and fetal pH levels within the endometrial vessels c. A mixture of maternal and fetal blood within the intervillous spaces d. Passive diffusion of maternal carbon dioxide and oxygen into the fetal capillaries
According to a 2010 report from the Institute of Medicine (IOM), by 2045 half of the people in the United States will be:
a. Hispanic Americans. b. African Americans. c. Asian Americans. d. Members of racial minority population groups.
A patient has complained several times of minor gastrointestinal pain, flatulence, and diarrhea after meals. A nurse identifies that this is most likely caused by
1. Anaphylaxis. 2. Food intolerance. 3. A food allergy. 4. Food poisoning.