Select the direct mechanism by which adrenergic agonists activate adrenergic receptors
1. Direct receptor binding
2. Inhibition of norepinephrine release
3. Promotion of norepinephrine reuptake
4. Facilitation of norepinephrine inactivation
Correct Answer: 1
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Which patient assessment indicates the most severe respiratory distress?
a. Nasal flaring, symmetrical chest wall expansion, SaO2 88% b. Abdominal breathing, SaO2 97% c. Substernal retraction, SaO2 84% d. Substernal retraction, SaO2 90%
The nurse receives this order: "Administer Ativan (lorazepam) 0.1 mg IV whenever seizure occurs." The nurse recognizes this as which type of medication order?
1. Stat order 2. Single order 3. Routine order 4. PRN order
The nurse is providing care in a community clinic that serves members of vulnerable populations. The best definition of a vulnerable population is:
a. clients with chronic diseases such as AIDS or heart failure. b. women and children. c. people living in rural areas. d. clients who are unable to gain access to health care when needed.
The nurse speaking with a student about immunocompetence correctly defines it as occurring when:
a. there has been an overwhelming allergic reaction. b. the immune system cannot differentiate between foreign cells and the body's own cells. c. the individual is exposed to a disease from which he has no immunity. d. physiologic responses protect the body against invasion from microorganisms or toxins.