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Full-Text Articles in Medicine and Health Sciences

Entry-Level Competencies Needed By Bsns In Acute Healthcare Agencies In Tennessee In The Next Ten Years, Marjorie S. King Dec 1998

Entry-Level Competencies Needed By Bsns In Acute Healthcare Agencies In Tennessee In The Next Ten Years, Marjorie S. King

Electronic Theses and Dissertations

The research focused on the identification of entry-level competencies needed by Bachelor of Science in Nursing (BSN) graduates who will begin employment in acute healthcare agencies in the next 10 years in Tennessee. The purpose of the study was to gain increased awareness of the competencies needed by graduates of BSN programs in Tennessee in order to meet the demands of the acute healthcare agencies, in light of present and anticipated changes in the healthcare delivery system. The opinions of nurse educators, nurse administrators, recently graduated BSNs, and experienced BSN graduates were solicited to assess congruency of perceptions. In addition, …


The Nature, Scope, And Consequences Of Drug And Alcohol Use Of Students Enrolled At Three Southern Appalachian Community Colleges, Jewel D. Morgan Dec 1998

The Nature, Scope, And Consequences Of Drug And Alcohol Use Of Students Enrolled At Three Southern Appalachian Community Colleges, Jewel D. Morgan

Electronic Theses and Dissertations

The primary purpose of this study was to determine the nature, scope, and consequences of drug and alcohol use by students enrolled at three southern Appalachian community colleges: Mountain Empire Community College (MECC) in Virginia, Northeast State Technical Community College (NSTCC) in Tennessee, and Southwestern Community College (SCC) in North Carolina. An additional purpose was to use this information to formulate recommendations for new and improved preventive substance-abuse programs. The design for this study was descriptive research. The Core Alcohol and Drug Survey (CORE) was selected as the appropriate instrument for use in this study. The 23-item questionnaire was designed …


In Vitro Assessment Of The Toxicity Of Cocaine And Its Metabolites In The Human Umbilical Artery, Tessa L. Long Aug 1998

In Vitro Assessment Of The Toxicity Of Cocaine And Its Metabolites In The Human Umbilical Artery, Tessa L. Long

Electronic Theses and Dissertations

An in vitro model was used to assess the effect of cocaine and its metabolites on the umbilical artery. Objectives were to pharmacologically confirm the presence of adrenergic innervation using tyramine, evaluate the ability of cocaine, benzoylecgonine, norcocaine and cocaethylene to potentiate vasoconstriction by serotonin and norepinephrine, examine the ability of ketanserin to block the enhanced vasoconstriction produced by cocaine, and determine displacement of 3 H-ketanserin by serotonin, norepinephrine, tyramine and mianserin. The vasoconstrictive effect of tyramine (100 μM) was enhanced in the presence of cocaine by 257%. Vasoconstrictive effects of serotonin and norepinephrine were significantly enhanced by cocaine by …


Quantal Mechanisms Underlying Stimulation-Induced Augmentation And Potentiation, Hong Cheng May 1998

Quantal Mechanisms Underlying Stimulation-Induced Augmentation And Potentiation, Hong Cheng

Electronic Theses and Dissertations

Repetitive stimulation of motor nerves causes an increase in the number of packets of transmitter ("quanta") that can be released in the ensuing period. This represents a type of conditioning, in which synaptic transmission may be enhanced by prior activity. Despite many studies of this phenomenon, there have been no investigations of the quantal mechanisms underlying these events, due to the rapid changes in transmitter output and the short time periods involved. To examine this problem, a method was developed in which estimates of the quantal release parameters could be obtained over very brief periods (3 s). Conventional microelectrode techniques …


The Relationship Between Rural Low-Income Women's Knowledge And Short-Term Duration Of Breastfeeding, Jefferey J.A. Enstad Jan 1998

The Relationship Between Rural Low-Income Women's Knowledge And Short-Term Duration Of Breastfeeding, Jefferey J.A. Enstad

Electronic Theses and Dissertations

Although patterns of breastfeeding initiation and duration among American women have made dramatic changes over the past 100 years, these patterns have not been studied in rural, low-income women. Furthermore, even less is known about the characteristics of rural low-income women who practice short-term breastfeeding. Therefore, the problem under investigation was to explore the relationship between rural low-income women's knowledge and short-term duration of breastfeeding. The objectives of the study were to: 1) describe what are the characteristics of rural low-income women who breastfeed for four or more weeks postpartum, 2) describe what sources did they receive breastfeeding instruction and …


Differences In Body Image And Depression Scores In Postmenopausal Women Who Do And Do Not Take Hormone Replacement Therapy, Doreen M. Boomsma Jan 1998

Differences In Body Image And Depression Scores In Postmenopausal Women Who Do And Do Not Take Hormone Replacement Therapy, Doreen M. Boomsma

Electronic Theses and Dissertations

The purpose of this descriptive study was to examine differences in depressive symptomology and perceived body image in postmenopausal women who currently used HRT with women who never used HRT and women who had previously used HRT but were currently not. Few medical treatments presently available for postmenopausal and menopausal women have such substantial benefits, and risks, as hormone replacement therapy (HRT). The study is based on findings that document the use of HRT in preventing chronic illnesses that afflict elderly women. Chronic illness and disability has been shown to increase the incidence of depression in the general population. Chronic …