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Bachelor of Pharmacy
British Pharmacopoeia (Medspeak-UK)
BPAbbrev. for British Pharmacopoeia. This is an official list of drugs with their properties, functions, side effects and dosage.
bpsee BASE PAIR.
BPabbrev. Before Present, a term used in GEOLOGICAL TIME scales to denote any time before the present.
bloodconnective tissue, consisting of fluid plasma in which is suspended cells (e.g. erythrocytes, leukocytes, platelets), soluble proteins (e.g. immunoglobulins, enzymes) and salts (e.g. calcium ions) circulating the body through arteries, capillaries and veins, transporting oxygen, nutrients and drugs to tissues and removing carbon dioxide and metabolic byproducts from the tissues for excretion
pressureforce per unit area exerted by a gas/liquid against the walls of its container, or a solid (e.g. foot) against the contact/support surface
blood pressure; BP pressure/tension of arterial blood, maintained by ventricular contraction, arteriolar and capillary resistance, arterial wall elasticity and circulating blood viscosity and volume; recorded (using sphygmomanometer and stethoscope or automated blood pressure recorder) by occluding the brachial artery at heart level; as cuff pressure is reduced, blood flow gradually restores; systolic and diastolic BP are noted (Korotkoff's sounds) in mmHg, and expressed as a ratio (systolic/diastolic); normal adult BP = 120/80mmHg; BP is often raised in older people and in diabetes (see antihypertensive agents; hypertension)
diastolic BP lowest value (in mmHg) of recorded BP and minimum pressure at which the arterial system operates; occurs at the point of heart muscle relaxation; noted as the last audible arterial bruit (when impedance to blood flow [imposed by the deflating sphygmomanometer cuff] has fully reduced), and arterial blood flow is no longer restricted, and therefore silent; see pressure, systolic BP
partial pressure pressure exerted by a gas in a liquid, e.g. pressure of oxygen in blood (P O2); see pulse oximeter
systolic BP highest value (in mmHg) of recorded BP and maximum pressure at which the arterial system operates; occurs at the point of heart muscle contraction; noted as the first audible arterial bruit (when impedance to blood flow [imposed by the fully inflated sphygmomanometer cuff] has reduced [following opening of the pressure valve screw]) and arterial flow can just occur, at maximal cardiac contraction