List the values and units expected for all of the following. Calculate from memo

Question

List the values and units expected for all of the following. Calculate from memory values for each if given reasonable data using normal relations between variables. Subject is a 70 kg representative person weight kilograms, grams, from weight pounds and vice versa. liters or milliliters total body water, extracellular fluid volume, intracellular fluid volume, interstitial volume and plasma volume from total body weight pounds or kilograms cardiac output from stroke volume and heart rate stroke volume from end diastolic volume and end systolic volume ejection fraction from stroke volume and end diastolic volume mean arterial pressure from systolic pressure and diastolic pressure minute ventilation from tidal volume and respiratory rate alveolar ventilation from tidal volume, dead space, and respiratory rate total blood oxygen content given hemoglobin concentration, percent saturation and pO2

Explanation / Answer

1. Converting Kilograms to pounds: There are 2.204pounds in 1 kilograms. So, to convert your kilogram weight into pounds, multiply the weight with 2.2. So, foo a 70 kg man, the weight in pounds will be 2.2 X 70= 154 pounds.

Also, a kilogram is 1000 gram. So, to convert a number from kilogram to gram, multiply it with 1000.

If you want to convert grams into pounds, multiply number of pounds by 453. 592.

2. The total amount of water in our body is found in three main location: intracellular (within our cells), in the space between our cells and in blood and extracellular. A 70 kg of man has 42 L of total water. 28 litres of intracellular water, 14 L in extracellular fluid, 3 L is blood plasma, 1 L is transcellular fluid, 10 L is intersitial fluid.

3. Cardiac output is the total volume of blood pumped by heart per minute. It is the product of blood pumped by each heart beat (Stroke volume) X Number of beats (heart rate). Its units are L/min. The stroke volume of 70 kg person is approx. 70 ml.

4. In a typical heart the End diastolic volume is about 120 ml and end systolic volume is 50ml of blood.

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