Flashcards in Michelle Summary Deck (64)
(heart and lungs)
M2 (in SAN)
A2 (in heart)
Parasympathetic = short preganglionic fibres and sympathetic = long, true or false?
false, other way around
go into chains then go to eyes, heart, lungs etc
what is heamethonium?
non-competitive antagonist that sits in the nicotinic ganglionic channel and blocks it
fetrtilization > week 3
week 4 > 8
week 9 > birth
what are the 6 stages of development?
forms oocyte or spermatozoa
fusion to form zygote in ampulla
rapid cell division
germ layers form
- exoderm = outer - becomes skin and NS
- mesoderm = middle - becomes organs
- endoderm - becomes all tubes (gut and lungs etc)
cluster forms a 3D shape
formation of organs and structures
protective layer around oocyte
primary bronchial buds?
bifurcation of rachea produces left and right bronchi
2ndary bronchial buds?
further bifurcation into 3 right and 2 left bronchi
what happens to foramen ovale in adults?
closes due to increased pressure and becomes the fossa ovalis
what gives rise to the heart?
develops during week 4
heart tube from cranial > caudal?
truncus arteriosus (R aorta and pulm trunk)
bulbus cordus (R ventricle)
ventricle (left ventricle)
atrium (both atria)
sinus venosus (R. atria and coronary sinus)
what is septation?
division from folds into 4 heart chambers
what is churg strauss?
vasculitis with eosinophilic granulomatosis
assoc. with allergic airway hypersensitivity (asthma)
vasculitis of nose, lungs, kidneys and throat
causes sinusitis, renal failure etc
assoc. with epistaxis or haemoptysis
what is kussmaul breathing?
deep laboured breathing in attempt to blow off CO2 to reduce metabolic acidosis
normal waist circumference?
components of med. diet?
swap dairy for soya
pressure in atria and ventricles during passive filling?
when are korotkoff sounds heard?
when cuff pressure between syst and dias