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Does the right side of the heart pump a greater volume of blood per minute a smaller volume or the same volume as the left?
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What does the VCM represent in a blood sample?
There isn't usually a VCM quantity but there is an MCV quantity. MCV (mean corpuscular volume) represents the average volume of a red blood cell.
When is whole blood necessary for a blood transfusion?
Whole blood is generally used when a person has lost a lot of blood. Such blood loss can be caused by injury or surgical procedures. Whole blood is given to help restore the blood volume, which is essential for maintaining blood pressure.
What is the scientific notation for a humanwhite blood cell?
The answer depends on what aspect of the human white blood cell you are referring to: their number in an average person, their mass, radius, volume, etc.
Clasiffication of acute heamorrage?
Clasiffication of acute heamorrage is as follows: Class IV Hemorrhage - Blood Volume Loss: >40%
Why are cells spherical instead of cubical if a cube has a larger surface area to volume ratio than a sphere does?
The cells of the body have different sizes, shapes and surface area to volume ratios depending on their function, that is, their structure/function relationships. For example, lung alveolar cells are flat or squamous cells that optimize surface area to volume ratio for gas exchange between blood and the atmosphere; neurons have long tubular axons that increase surface area/volume ratio; cuboidal skin cells of the basal layer are cube shaped and optimally shaped for blood gas and nutrient exchange as well as for their function of adherence and skin replicative function; kidney proximal convoluted tubule cells are cuboid, but extend their membrane surface area for maximal reuptake of blood nutrients by the extension of microvilli on the luminal side of the proximal convoluted tuble. Red blood cells are biconcave discs that, thereby, increase surface area for gas exchange. White blood cells are pretty spherical indicating a requirement for maximizing volume, at the expense of surface area, for antibody production or bacterial destruction etc. . Skeletal muscle cells are long and spindle shaped and often fuse together with other muscle cells in development in order to span the distance across a joint, for example. But you are correct in stating that a cube would have greater surface area to volume ratio than a sphere as a function of length of side or radius (in the case of a sphere).
Why does an increase in blood volume result in a decrease in blood pressure?
It doesn't. The opposite is true. Blood pressure is proportional to blood volume. The greater the blood volume is, the higher the blood pressure will be. This is because there will be a greater volume of blood flowing through the blood vessels which means that a greater pressure will be exerted on the walls of the blood vessels, which means increased blood pressure.
Is blood volume in men greater than in women?
Blood volume has more to do with weight than sex.
What is the effect of cardiovascular excerise on cardiac output?
Cardiac output is the total volume of blood that is pumped by the heart per minute. When you exercise, there is a greater demand for oxygen, which is carried in your blood, thus your cardiac output increases.
What is the difference between stroke volume and cardiac output?
Cardiac output is the blood volume pushed out by the left ventricle per minute. Stroke volume is the volume of blood pushed out of the left ventricle per contraction of the heart (each heart beat). So stroke volume into heart rate / minute gives you cardiac output.
Why does stroke volume increase from childhood to adulthood?
Because adults have a greater volume of blood than children do.
What is microplethysmography?
The technique of measuring minute changes in the volume of a part as a result of blood flow into or out of it.
What best describes the volume of blood pumped by each ventricle in 1 minute?
Cardiac output is the amount of blood pumped by each ventricle in one minute. Stroke volume is the amount of blood pumped by each ventricle with each heartbeat. If you need a specific number: stroke volume x heart rate = Cardiac output
Which is greater - the terminal velocity of a small blood droplet or the terminal velocity of a large blood droplet?
The small blood droplet would have a greater terminal velocity. The smaller droplet has a smaller surface area, thus suffers less air resistance.
What are the two factors of cardiac output?
The stroke volume and the heart rate. The stroke volume is the volume of your blood and heart rate is how many beats there are per minute.
Do bigger people have more blood than smaller people?
As a person grows from infancy to adulthood, the total blood volume increases. The larger an individual is, the more total blood volume they have.
What is cardic output?
Cardiac out put is the volume of blood pumped by the heart per minute. Cardiac output is a function of heart rate and stroke volume. The heart rate is simply the number of heart beats per minute. The stroke volume is the volume of blood, in milliliters pumped out of the heart with each beat. Increasing either heart rate or stroke volume increases cardiac output.
What is the amount of blood pump by the ventricles in one minute?
Cardiac output is the amount of blood pumped by each ventricle in one minute. Stroke volume is the amount of blood pumped by each ventricle with each heartbeat. If you need a specific number: stroke volume x heart rate = Cardiac output
