dura mater -correct answer--Outer layer of meninges, tough, fibrous, double layered.
dural sinuses -correct answer--Formed by spits in dura mater.
... [Show More] Collect venous blood and CSF for return to general circulation.
mediastinum (what is it) -correct answer--Area of thoracic cavity between lungs. Location of trachea, esophagus, heart & large vessels
pericardial sac -correct answer--Fibrous sac, holds heart, double-walled, anchors heart to diaphragm.
endocardium -correct answer--inner layer of heart, forms 4 heart valves
septum in heart -correct answer--separtes L & R sides of heart
SA node - other name -correct answer--pacemaker
sinus rhythm -correct answer--basic rate of impulses generated by SA node (70 beats per minute)
location of sinoatrial node -correct answer--right atrium
Where does impulse go to after SA node -correct answer--Spreads through atrial conduction pathways, resulting in contraction of both atria
AV node - what is it -correct answer--Atrioventricular node. Impulse arrives here after SA node sent it through atria
AV node - where is it -correct answer--Floor of R atrium near septum. Is the only anatomical connection between atrial and ventricular portions of conduction system.
AV bundle - other name -correct answer--Bundle of His - other name
ECG - what does it do -correct answer--Records electrical changes sent by conduction impulses as picked up by electrodes
apoptosis -correct answer--normal programmed cell death in tissues
endogenous -correct answer--originating from within the body
exogenous -correct answer--originating from outside the body
gangrene -correct answer--necrotic tissue infected by bacteria
hypoxia -correct answer--decreased or insufficient level of oxygen in the tissues
iatrogenic -correct answer--caused by a treatment, procedure or error
idiopathic -correct answer--no known cause
ischemia -correct answer--decreased blood supply to an organ or tissue
lysis -correct answer--destruction of a cell
lysosomal enzymes -correct answer--released into tissues undergoing lysis; cause inflammation and damage to nearby cells and reduced function
morphologic -correct answer--structural
pathogenesis -correct answer--development of the disease or sequence of events involved in the tissue changes related to the specific disease process
insidious -correct answer--Proceeding in a gradual, subtle way, with only vague or mild signs, but with harmful effects. Ex: "the xx effects of stress"; hepatitis
subclinical -correct answer--pathologic changes occur but no obvious manifestations exhibited, perhaps because of great reserve capacity of some organs. Ex: kidney damage may progress to an advanced stage of renal failure before symptoms are manifested. [Show Less]