Anatomy And Physiology Flashcards
What is another term for first set of vitals
Baseline vitals
What is an organ?
Combination of tissues which form a structure in order to carry out a specific or specialised functions
What is the largest organ?
Skin
What is the largest internal organ?
Liver
What is a septum?
Wall of an organ that separates one side from the other
What is the mediastinum?
Where the heart and lungs sit
What is the name of the sac in which the heart sits?
Pericardium
What is the stroke volume of the heart?
70mls per beat
What is the average stroke volume per minute?
4900mls per minute
How is pulse pressure calculated?
Difference between systolic and diastolic pressure
Where is the heart situated?
In the thoracic cavity slightly to the left
Where does the apex rest?
On the diaphragm
What artery carries de-oxygenated blood?
Pulmonary artery
What carries oxygenated blood?
Pulmonary vein
What is the function of arteries?
- transports blood away from the heart
- primarily carries oxygenated blood (exception to pulmonary artery)
What is the purpose of veins?
- transport blood to the heart
- primarily carries de-oxygenated blood (except is pulmonary circulation)
What is the function of carpillaries?
Gas exchange
What are functions of the blood?
- delivery of oxygen
- delivery of nutrients
- removal of waste products
- fight infection
- clotting
What is the composition of blood?
Liquid: 55%
Solid: 45%
What percentage of plasma is water?
90%
What does SpO2 test for?
Amount of haemoglobin in the blood?
What is average blood oxygen SpO2
94-98%
What percentage of SpO2 is considered hypoxic?
85%?
What is the function of white blood cells?
- part of body’s defence against infection
- macrophages remove injured/abnormal cells
- removal of foreign microbes