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|Description||Due to the societal prevalence of diabetes and lack of simple, but also realistic, endocrine physiology experiments, a laboratory protocol was developed to increase student knowledge of the disease and diabetic testing process. This protocol provides a hands-on, student-centered activity; is inexpensive; can be performed in under an hour using commercially available glucose meters; and maintains realism by using blood rather than artificial plasma. Ringer's solution and glucose were added to bovine blood to create six test samples representing three hypothetical “patients” (pre-prandial and postprandial, normal; pre-prandial and postprandial, pre-diabetic; pre-prandial and postprandial, diabetic). Students in Human Anatomy and Physiology II at the University of Mississippi during the Spring 2014 semester “field-tested” the experiment and were surveyed for their pre- and post-experiment knowledge of diabetes as well as subjective responses to the experiment. Throughout the laboratory sessions, blood glucose readings were consistently within projected ranges for the three hypothetical patients. Upon completion of the experimental protocol, the majority of students reported a self-assessed increase in knowledge concerning diabetes (164 of 209) and enjoyed the laboratory exercise (190 of 209). Bovine blood was used in the experiment to increase realism, and 194 of the students believed that this experiment was realistic given the constraints of laboratory safety, expense, and ease of testing. Due to student results and survey answers, we concluded that this laboratory exercise was successful. Suggested modifications to the protocol are included for use in advanced, inquiry-based laboratory exercises.|
|Type of Resource||Laboratory or Hands-On Activity|
|Format||Portable Document Format - PDF|
Carol Britson, University of Mississippi
Hollie Ables, University of Mississippi
|Development Date||May 15, 2014|
Undergraduate lower division (Grades 13-14)
|Learning Time||<=1 hour|
|Type of Review||Reviewed By LifeSciTRC Board|
|Review Date||May 17, 2016|