Abstract:
:We used the following multiple-choice question after a series of lectures in cardiovascular physiology in the first year of an undergraduate medical curriculum (n = 66) to assess whether students had understood the neural regulation of cardiovascular function. In health, neural cardiovascular mechanisms are geared toward maintaining A) cardiac output, B) total peripheral resistance (TPR), C) arterial blood pressure (BP), D) tissue blood flow. The same question was administered to 275 graduates preparing for postgraduate exams (but not following the same series of lectures as the undergraduates). In both groups, we found a large proportion of incorrect answers (70% in undergraduates and 85% in graduates) and sorted this out by offering a step-by-step explanation and two examples and found it successful: 1) What happens to BP and heart rate (HR) when a person loses 500 ml of blood ( approximately 10% of blood volume) in one minute? 2) What happens to your BP and HR as you get out of bed after a night's sleep? Flow = perfusion pressure/resistance to flow; cardiac output = BP/TPR; BP = cardiac output x TPR = [stroke volume (SV) x HR] x TPR. In both examples, BP decreases and is rapidly brought into the normal range by the arterial baroreflex mechanism. TBF is regulated chiefly by varying local vascular resistance (autoregulation). In summary, the ultimate goal of all neural cardiovascular reflex mechanisms is to maintain arterial BP within a range in which tissues can regulate their own blood flows. Cardiovascular control during exercise was used as an example to emphasize these facts. A discussion of this kind triggered interest in the minds of students and graduates, helping them get rid of a major misconception in about 20-40 minutes.
journal_name
Adv Physiol Educjournal_title
Advances in physiology educationauthors
Prakash ES,Madanmohan,Pal GKdoi
10.1152/advan.00013.2004keywords:
subject
Has Abstractpub_date
2004-12-01 00:00:00pages
100-1issue
1-4eissn
1043-4046issn
1522-1229pii
28/3/100journal_volume
28pub_type
杂志文章,评审abstract::Many medical schools offer pre-professional programs to undergraduate students. The main purpose of the university pre-professional program (UPPP) is to equip students with the necessary knowledge and skills required to successfully cope with the academic demands of further education provided by professional colleges....
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abstract::Physiology education was well represented at the 2nd Pan American Congress of Physiological Sciences in Havana, Cuba, with two symposia, a workshop, and a poster session. ...
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abstract::Both estrogen and testosterone are present in males and females. Both hormones contribute to the well being of skeletal muscle and bone in men and women, and there is evidence that the loss of sex hormones is associated with the age-related decline in bone and skeletal muscle mass. Hormonal supplementation of older ad...
journal_title:Advances in physiology education
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journal_title:Advances in physiology education
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abstract::The flipped classroom was utilized in a two-semester, high-content science course that enrolled between 50 and 80 students at a small liberal arts college. With the flipped model, students watched ~20-min lectures 2 days/wk outside of class. These videos were recorded via screen capture and included a detailed note ou...
journal_title:Advances in physiology education
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journal_title:Advances in physiology education
pub_type: 杂志文章
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journal_title:Advances in physiology education
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doi:10.1152/advan.00068.2016
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journal_title:Advances in physiology education
pub_type: 杂志文章
doi:10.1152/advan.00089.2010
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abstract::Student self-assessment using computer-based quizzes has been shown to increase subject memory and engagement. Some types of self-assessment quizzes can be associated with a dilemma between 1) medical students who want the self-assessment quiz to be clearly related to upcoming summative assessments or curated by the e...
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journal_title:Advances in physiology education
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doi:10.1152/advan.00095.2012
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abstract::The United States Army Research Institute of Environmental Medicine (USARIEM) celebrated its 50th anniversary on July 1, 2011. This article reviews its history, evolution, and transition of its research programs as well as its scientific and military accomplishments, emphasizing the past 25 yr. During the 1990s, USARI...
journal_title:Advances in physiology education
pub_type: 历史文章,杂志文章,评审
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abstract::Didactic lectures are prevalent in physiology courses within veterinary medicine programs, but more active learning methods have also been utilized. Our goal was to identify the most appropriate learning method to augment the lecture component of our physiology course. We hypothesized that case-based learning would be...
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abstract::The B. P. Koirala Institute of Health Sciences, Dharan, is following an innovative hybrid curriculum. Conventional lectures are replaced by "structured interactive sessions" (SIS). SIS involves increased interchange between teachers, students, and lecture contents by proper planning and organized efforts. It can promo...
journal_title:Advances in physiology education
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journal_title:Advances in physiology education
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abstract::Classroom discussion of scientific articles can be an effective means of teaching scientific principles and methodology to both undergraduate and graduate science students. The availability of classic papers from the American Physiological Society Legacy Project has made it possible to access articles dating back to t...
journal_title:Advances in physiology education
pub_type: 传,历史文章,杂志文章
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abstract::The relationship between pH, pKa, and degree of local anesthetic ionization is quantified by the Henderson-Hasselbalch equation. As presented in standard textbooks, the effect of pH on the degree of ionization of any particular local anesthetic is not immediately clear due to the x-axis displaying pH - pKa, which requ...
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abstract::Atomic force microscopy (AFM) is a useful and powerful tool to study molecular interactions applied to nanomedicine. The aim of the present study was to implement a hands-on atomic AFM course for graduated biosciences and medical students. The course comprises two distinct practical sessions, where students get in tou...
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journal_title:Advances in physiology education
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abstract::To systematically investigate whether the inclusion of a bioethical discussion improves the learning and retention of biological content, students in two sections of an introductory zoology class were taught the biology behind emergency contraception and RU-486. Students in one section of the course participated in a ...
journal_title:Advances in physiology education
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abstract::The Department of Physiology of Pramukhswami Medical College at Anand, Gujarat, India, started using problem-based learning in a modified way along with didactic lectures to improve students' understanding and motivate them toward self-directed study. After the didactic lectures were taken for a particular system, cle...
journal_title:Advances in physiology education
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abstract::Twenty-one biology teachers from a variety of disciplines (genetics, ecology, physiology, biochemistry, etc.) met at the University of Colorado to begin discussions about approaches to assessing students' conceptual understanding of biology. We considered what is meant by a "concept" in biology, what the important bio...
journal_title:Advances in physiology education
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doi:10.1152/advan.00047.2007
更新日期:2007-12-01 00:00:00
abstract::A simple "stop think" approach was developed to encourage the self-assessment of learning. A key element was the requirement for students to rate their feeling of difficulty before [FOD(pre)] and after [FOD(post)] completing each of three authentic anatomy and physiology concept map exercises. The cohort was divided i...
journal_title:Advances in physiology education
pub_type: 杂志文章
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journal_title:Advances in physiology education
pub_type: 杂志文章
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journal_title:Advances in physiology education
pub_type: 杂志文章
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更新日期:2001-12-01 00:00:00