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UM BIOH 370 - Alpha Blockers
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BIOH 370 1st Edition Lecture 14 Outline of Last Lecture Blood Vessels Day 2I. Hormonal Regulation of Blood PressureII. Shocka. Symptoms of Shockb. A Few Types of Shockc. Regulation of Hypovolemic ShockIII. Hypotensiona. Orthostatic Hypotensionb. Chronic Hyoptensionc. Acute HypotensionIV. Hypertensiona. Two Types- Primary/Essential Hypertension- Secondary Hypertensiono Cushing’s Syndromeb. Treatments for Hypertension- Lifestyle Modifications- MedicationsThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- Diuretics- Beta BlockersOutline of Current Lecture Blood Vessels Day 3I. Alpha Blockers: II. Calcium Channel BlockersIII. AngiogenesisIV. Development of Blood VesselsV. Aging and the CV SystemVI. HomeostasisCurrent LectureBlood Vessels Day 3I. Alpha Blockers: prevent vasoconstriction in peripheral veins –bind and prevent other molecules to be able to bind to that receptorII. Calcium Channel Blockers: - Targets smooth muscle cellso Smooth muscle in blood vesseels contracts lesso Dilation of arterieso Lower blood pressureo Smooth muscle contracts by binding to calcium so when block calcium, no smooth muscle contractionIII. Angiogenesis: Occurs when short-term autoregulation cannot meet tissue nutrient requirements- The number of vessels to a region increases and existing vessels enlarge- Common in the heart when a coronary vessel is occluded, or throughout the body in people in high-altitude areas- Can change organization of vessels when occluded vessels at a tissue- can reorganize- never as good as the originalIV. Devolopment of Blood Vessels:V. Aging and the CV System- Loss of compliance of the aorta- Reduction in cardiac muscle fiber size- Progressive loss of cardiac muscular strength- Decline in maximum heart rate- Increased systolic blood pressureVI.


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