Physics & Clinical Measurement
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Anaesthesia · Exam preparation
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FCA Part 1Question & explanation
Boyle's law
At a constant temperature, the volume occupied by a fixed mass of an ideal gas relates to its pressure in which way?
A
Volume is directly proportional to pressure
B
Volume is proportional to the square root of pressure
C
Volume is inversely proportional to pressure · Correct
D
Volume is independent of pressure
Understand why.
Boyle's law states that for a fixed mass of gas held at constant temperature the volume varies inversely with the absolute pressure, so the product of pressure and volume is constant. This underlies the use of pressure changes to predict volume changes in cylinders and breathing systems.
Davis & Kenny · The Gas Laws
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11 topic sections
Physics · Basic Principles
SI units · Work of ventilation · Boyle's law · Dalton's law · Alveolar partial pressure · Avogadro's hypothesis · and more
Source references: Davis & Kenny · Work, Energy and Power
Practice this topicClinical Measurement
Polarographic oxygen electrode · Fuel cell · Fuel cell limitations · Paramagnetic oxygen analysis · Oxygen electrode interference · pH electrode · and more
Source references: Davis & Kenny · Measurement of oxygen tension
Practice this topicAnaesthetic Apparatus
Pressure regulators · Pressure relief valves · Oxygen failure warning · Gauge and absolute pressure · Flowmeters (rotameter) · Hypoxia prevention · and more
Source references: Davis & Kenny · Pressure-reducing valves
Practice this topicStatistics
Normal distribution · Standard deviation · Confidence limits · Variance · Standard error of the mean · p value · and more
Source references: Davis & Kenny · Normal distribution curve
Practice this topicPharmacology · General Principles
Volume of distribution · Clearance definition · Clearance vs elimination rate · Hepatic extraction ratio · Extraction ratio calculation · First-order kinetics · and more
Source references: Miller · Basic principles of pharmacology
Practice this topicPharmacology · Anaesthetic Agents
MAC definition · Blood:gas partition coefficient · Agent solubility ranking · Second gas effect · Concentration effect · Oil:gas coefficient and potency · and more
Source references: Miller · Inhaled anaesthetic uptake and MAC
Practice this topicPharmacology · Systematic
Opioid receptor pharmacology · Remifentanil metabolism · Morphine active metabolite · Naloxone · Tramadol mechanism · Fentanyl pharmacokinetics · and more
Source references: Miller · Opioids
Practice this topicPhysiology · Basic Principles
Body fluid compartments · Electrolytes · Calcium homeostasis · Membrane transport · Osmosis · Osmolality and osmolarity · and more
Source references: Miller · Perioperative Fluid and Electrolyte Therapy
Practice this topicPhysiology · Neuro, CVS & Respiratory
Resting membrane potential · Action potential · Refractory period · Saltatory conduction · Neuromuscular transmission · Postjunctional receptor · and more
Source references: Miller · Membrane potentials and neuronal excitability
Practice this topicPhysiology · Renal, Acid-Base, GI & Endocrine
Glomerular filtration barrier · Renal blood flow distribution · Tubular reabsorption capacity · Tubuloglomerular feedback · Efferent arteriolar tone and GFR · Countercurrent multiplier · and more
Source references: Miller · Renal anatomy and physiology
Practice this topicPhysiology · Blood, Reproduction & Special
ABO blood group antibodies · Universal donor red cells · Acute haemolytic transfusion reaction · Rh(D) sensitisation · Crossmatch immediate spin phase · Coagulation extrinsic pathway · and more
Source references: Miller · Blood typing and compatibility
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Pharmacology
Included in your passGeneral principles and systematic pharmacology. One uninterrupted, timed paper.
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Physiology & Chemical Pathology
Included in your passBasic principles and every body system. One uninterrupted, timed paper.
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