Introduction: Systolic blood pressure‚ the highest pressure in the cardiac cycle‚ measures the pressure in the arteries as the left ventricle contracts. Diastolic blood pressure‚ the lowest pressure in the cardiac cycle‚ measures the pressure in the arteries as the ventricles relax and refill with blood just before the next ventricular contraction. We measure blood pressure using a sphygmomanometer and a stethoscope. To measure the systolic pressure‚ place the blood pressure cuff on the upper arm
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The Cardiovascular System: Blood Pressure Regulation 1. a. Short term mechanisms for regulating blood pressure include regulating what three things? 1. Vessel diameter 2. Contractibility 3. Heart Rate b. Long term mechanisms will regulate ____blood volume_______. 2. Two major arterial baroreceptors are located where? a. Carotid Sinus b. Aortic Arch 3. Using up and down arrows‚ show the effect of increased blood pressure (BP) on the impulses sent to the brain‚ the effect on the parasympathetic
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DEMENTIA AWARNESS 1.Understand what dementia is 1.1 Explain what is meant by the term ’dementia’ A syndrome due to disease of the brain‚ usually of a chronic progressive nature in which there are multiple disturbances of higher cognitive function. These include impairment of memory‚ thinking and orientation‚ learning ability‚ language and judgement. 1.2 Describe the key functions of the brain that are affected by dementia The key functions of the brain that are affected by dementia are the temporal
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Good Morning Maya Angelou is a stunning writer who has a way of capturing her readers to the core. In her poem “On The Pulse Of Morning” she uses a voice of renewal of hope for mankind. She used this poem in a speech that in the moment‚ introduced a former President of the United States. This poem was used to motivate a nation of hopeless and ungrateful people. Angelou’s tone in this piece is one of power and love. She is very consistent in communicating the truth of peoples destruction
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process of respiration happens in many organisms and species. For the lab study that we are going to conduct I choose Yeast as my organism. First off Yeast is a microscopic fungus consisting of single oval cells that reproduce by budding or fission (is the splitting of an atom)‚ and capable of converting sugar into alcohol and carbon dioxide. When making your own bread‚ you can buy yeast in the grocery store. The yeast contains little brown grains that will carry out cellular respiration and grow when
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oD 4.1 Respiration Why organisms undergo respiration What is respiration and why do we need it? Respiration is the process whereby energy is released from food molecules (most usually glucose). It takes place inside living cells‚ both eukaryotic and prokaryotic. The process takes place inside the cytoplasm and the mitochondria. Energy is used to synthesise adenosine triphosphate (ATP)‚ which acts as a short-term energy store in cells. All living organisms need energy to drive their
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History of Pulse Oximetry Before the Pulse-Oximeter the only way to measure SpO2 was by using a painful arterial blood gas which took a minimum of 20-30 minutes to view the result. In 1974 Takuo Aoyagi a Niigata University student disclosed his first Pulse-Oximeter for the use of pilots in World War 2. He set about searching for a non-invasive way of monitoring arterial blood oxygen saturation. Nellcor’s pulse oximeter was put on the market in 1983 and this used his theory developed in 1974. By
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project demonstrates a technique to measure the heart rate by sensing the change in blood volume in a finger artery while the heart is pumping the blood. It consists of an infrared LED that transmits an IR signal through the fingertip of the subject‚ a part of which is reflected by the blood cells. The reflected signal is detected by a photo diode sensor. The changing blood volume with heartbeat results in a train of pulses at the output of the photo diode‚ the magnitude of which is too small to be detected
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Effect of Exercise on Pulse Rate and Blood Pressure Purpose: To determine the effect of jogging on pulse rate and blood pressure. Hypothesis: If you jog then your heart rate and blood pressure will increase. Materials: Tape Measure Blood Pressure Cuff Procedure: 1. Record resting blood pressure and heart rate. 2. Measure out 100m. 3. Jog 100m (same speed every time) 4. When finished jogging 100m record heart rate and blood pressure. 5. Repeat steps 3&4‚ 3 more times 6. Calculate average
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Page 1 of 2 "On the Pulse of Morning" By: Maya Angelou "On the Pulse of Morning‚" is a poem written by Maya Angelou. In this poem‚ Angelou depicts personification. Personification is an element of literature in which an object or an animal is given human characteristics. Angelou uses personification to give the rock‚ the river‚ and the tree the ability to speak to the reader. In "On the Pulse of Morning"‚ Angelou writes " But today‚ the rock cries out to us
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