CardioLab
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MERLOT II




        

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CardioLab

        

CardioLab

Logo for CardioLab
Explores the concept of homeostasis via manipulation of heart rate, arterial pressure, blood flow, and stroke volume. Students can examine realistic case studies to see how these variables interact to maintain homeostasis.
Material Type: Learning Material
Technical Format: Java Applet
Date Added to MERLOT: April 12, 2000
Date Modified in MERLOT: September 18, 2011
Author:

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About

Primary Audience: College General Ed
Mobile Compatibility: Not specified at this time
Technical Requirements: Java-enabled browser (Netscape 4.x or IE 4.x)
Language: English
Cost Involved: yes
Source Code Available: no
Accessiblity Information Available: no
Creative Commons: unsure

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Avatar for Nancy J. Pelaez
14 years ago

Nancy J. Pelaez (Faculty)

Sorry - forgot to put the score - this should be at least a 4!

Avatar for Nancy J. Pelaez
14 years ago

Nancy J. Pelaez (Faculty)

I used this lab simulation in a class session for a non-majors Human
Physiology class that was held in a computer studio classroom. The
simulation is very effective and engages students with the VARIABLES that
play a role in determining hemodynamics. The problems presented are
interesting and relevant to the students. Conceptually, this activity
incorporates deep and inter-related concepts that range from
pressure/volume/flow relationships to responses due to sympathetic input.
PROBLEMS:
1) It was necessary for me to steer the students away from activities that
involved sympathetic input until they mastered pressure/volume/flows
concepts. Otherwise, too many variables were confusing to students. I should
have returned and tried the activity once again AFTER we had then focused on
sympathetic responses (but we had only access to a one week demo - so I have
not yet done this!)
2) While, as a physiologist, I found the data tracings to be accurate and
very realistic, my students who had no experience in the lab needed EXPLICIT
instructions on the graph tracings - defined axes - and I am NOT confident
that all my students can extract information by reading the graphs.
3) I was suprised that this activity did NOT result in a classroom full of
students having mastered cardiovascular hemodynamics concepts. Exam results were disappointing. I will look for ways to encourage
individual accountability so that the students will LEARN the concepts from these
activities. I believe that one solution might be UCLA's Calibrated Peer
Review (CPR) at http://molsci.ucla.edu/cpr/ so please contact me if you want to
help create a writing assignment around this lab.

Technical Remarks:

Very polished presentation - easy to use, even by adult students with limited computer expertise.