ANATOMY: CV AND RESP Flashcards
Define the term origin when referring to muscle morphology.
Where the muscle starts - usually it does not move when the muscle contracts.
Define the term insertion when referring to muscle morphology.
Where the muscle ends - usually it does move when the muscle contracts.
Why is it helpful to learn about the actions of a muscle?
To understand how to detect the muscle injuries by clinical examination.
How does expiration take place?
Passively by elastic recoil
Where is the apex beat of the heart felt?
Left midclavicular 5th intercostal space
Where is the tracheal carina located?
T5 - same plane as sternal angle/angle of Louis
Where is the sternal notch located?
T3
Which nerve supplies the pectoralis major?
Medial and lateral pectoral nerves
Where do lymphatics from the breast drain?
Lateral half to the axillary lymph nodes and medial half to the internal mammary lymph nodes (in the chest).
Name the organs the lungs overlap.
Liver, spleen, upper poles of kidneys, adrenal glands and stomach
What is the pleural effusion?
Fluid in the pleural space
What is a pneumothorax?
Air in the pleural space