What are the actions of alpha-beta blocker drugs? (Select all that apply.)
a. Decrease myocardial contractility
b. Work on the central nervous system
c. Slow the heart rate
d. Increase arterial relaxation
e. Decrease venous vasoconstriction
A, C, D
Alpha-beta blockers combine the effects of alpha and beta blockers. They increase arterial relax-ation and dilation, decrease the heart rate, and decrease the force of heart contraction. This re-sults in decreased workload on the heart and decreased blood pressure.
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Which cerebral structure should a nursing instructor describe to students as the "emotional brain"?
1. The cerebellum2. The limbic system3. The cortex4. The left temporal lobe
The recommended children's dosage of Keflex is 25 to 50 mg/kg/day in divided doses. The safe dosage range for a child weighing 42 lb is _______________
a. 500 to 1,000 mg/day b. 1,050 to 2,100 mg/day c. 262.5 to 525 mg/day d. 477.5 to 955 mg/day
Trends in health care delivery have moved medical interventions into which of the following?
a. Research centers c. Long-term care facilities b. Large hospitals d. Community-based settings
The Social Security Administration ultimately determines individual status for disability. According to that agency, which of the following individuals would be considered disabled?
1. A wheelchair-bound person 2. A person unable to engage in substantial, gainful activity by reason of medically determinable physical or mental impairment 3. A handicapped person 4. A person who has had a stroke or has lost the use of a lower extremity