Invited Guest Speaker: Dr. Tim Gilbertson Nov. 11 Thursday 11 AM Olin Theater Sensory Cues for Fat and their Role in Fat Intake Dr. Gilbertson is Professor & Associate Department Head of Biology and serves as the Associate Director of the Center for Advanced Nutrition at Utah State University. Dr. Gilbertson's research is focused on the investigation of the mechanisms the body uses to recognize nutrients & how this process is regulated by nutritional need. His lab studies the way nutrients including fats, carbohydrates and minerals are detected by chemosensory cells in the oral cavity and in several nutrient-sensitive, post- ingestive organs. The research spans from genes through behavior with expertise in molecular biology, proteomics, electrophysiology, imaging, biochemistry and analysis of behavior.
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Invited Guest Speaker: Dr. Tim Gilbertson Nov. 11 Thursday 11 AM Olin Theater Sensory Cues for Fat and their Role in Fat Intake Dr. Gilbertson is Professor.
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Invited Guest Speaker: Dr. Tim Gilbertson Nov. 11Thursday11 AMOlin Theater
Sensory Cues for Fat and their Role in Fat Intake
Dr. Gilbertson is Professor & Associate Department Head of Biology and serves as the Associate Director of the Center for Advanced Nutrition at Utah State University. Dr. Gilbertson's research is focused on the investigation of the mechanisms the body uses to recognize nutrients & how this process is regulated by nutritional need. His lab studies the way nutrients including fats, carbohydrates and minerals are detected by chemosensory cells in the oral cavity and in several nutrient-sensitive, post-ingestive organs. The research spans from genes through behavior with expertise in molecular biology, proteomics, electrophysiology, imaging, biochemistry and analysis of behavior.
10 November 2010Cardiovascular Physiology
The Cardiac Cycle
Control of HR and SV
MAP and TPR
Blood Vessels
Lab this week: Frog Heart PhysiologyArrive early if you want to pith.
1QQ # 26 for 8:30 am1.How do action potentials in cardiac myofibers
differ from action potentials in skeletal myofibers?a) Cardiac APs are shorterb) Cardiac APs involve Ca++ influxc) Cardiac APs permit summationd) Cardiac APs do not rely on Na+ influxe) Cardiac APs are conducted from myofiber to myofiber via gap junctions of intercalated disks.
2.As blood passes from the left atrium to the left ventricle, it passes througha) the tricuspid valveb) an atrioventricular valvec) a semilunar valve
1QQ # 26 for 9:30 am1.How do action potentials in cardiac myofibers
differ from action potentials in skeletal myofibers?a) Cardiac APs are longerb) Cardiac APs involve Ca++ influxc) Cardiac APs prevent summationd) Cardiac APs do not rely on Na+ influxe) Cardiac APs are conducted from cell to cell via gap junctions of intercalated disks.
2.As blood passes from the right atrium to the right ventricle, it passes througha) the tricuspid valveb) an atrioventricular valvec) a semilunar valve
Figure 12.14
Pacemaker Cells in
Conducting System:
SA Node andBundle of His
Ectopic Pacemaker
Locations other than SA Node
S 1
Figure 12.22Intrinsic Rate = 100 beat/min
S 2
Figure 12.23
Effect of “Beta blockers”
NE EPI ACh
mAChR
Effect of atropine
Beta-adrenergic receptors
S 3
Figure 12.181st Heart Sound = Closure of Atrioventricular (AV) valves at beginning of Ventricular Systole
2nd Heart Sound = Closure of Semilunar valves at beginning of Ventricular Diastole