madge1

:) Thanks for the site address.

let me rephrase that; can anyone tell me if im on the right track with these questions please. 1. describe where the systemic blood pressure is the highest in the body? why is it highest in this location? systolic pressure is the highest in the ventricles. when the pressure exceeds that of the pressure in the aortic and pulmonary artery the aortic and pulmonary valves open to eject the oxygenated blood out to supply the remainder of the body. systolic pressure is at its highest here, due to the full contraction of the left ventricle pushing the blood up into the aorta for distribution the entire body. 2. describe where the systemic blood pressure is the lowest in the body? why is it lowest in this location? the systemic blood pressure is lowest in the atria ???? 3. describe how blood moves between these two points in the body, referring in your answer to pressure differences throughout the system and the anatomy of the blood vessels & physiology of associated structures. 4. describe the difference between systolic & diastolic blood pressures. the systolic blood pressure is a measure of the pressure exerted on the inside of the blood vessels when your heart muscle is contracting and pumping blood. this is the maximum pressure in the blood vessels.[color=#1183c9] [color=#1183c9][color=#1183c9] the diastolic blood pressure is the pressure between heart beats when the heart is resting and filling with blood. this is the minimum pressure in the blood vessels. 5. what is peripheral resistance and which factors which will influence it? peripheral resistance is a force against blood flow in the arteries. an increase in peripheral resistance would be caused by an increase in vasoconstriction; (narrowing of the blood vessels caused by some medications such as antihistamines cough and cold syrups and even caffeine, drugs such as cocaine). an increase in blood pressure will also be caused by vasoconstriction. 6. what are the two main factors affecting arterial blood pressure? arterial pressure exists in the aorta and its major branches, and is the average pressure during a cardiac cycle. therefore; it is dependent on, 1) cardiac output and 2) peripheral resistance. 7. define: cardiac output, stroke volume and heart rate. what is the relationship between sv & hr in relation to co? [color=#333333]cardiac output[color=#333333]: is the amount of blood pumped by the ventricles. stroke volume: the amount of blood pumped by the left ventricle in one contraction. heart rate: is the number of heart beats per minute. it can also be defined as the number of times the ventricles contract per minute.

Hi all; can some one help me with my assignment, i have a few sticky questions. Im in my first year of EEN nursing in Australia. Q; Describe where the systemic BP is the highest and why is it the highest here ? Q; Describe where the systemic BP is the lowest and why is it the lowest here ? Q; Describe how blood moves between these two points in the body, referring in your answer to pressure differences throughout the system and the anatomy of the blood vessels & physiology of associated structures Q; Describe the difference between systolic & diastolic blood pressures. Q; What is peripheral resistance and which factors which will influence it? Q;What are the two main factors affecting arterial blood pressure? Q; Define: cardiac output, stroke volume and heart rate. What is the relationship between SV & HR in relation to CO?