The layers of the wall of the heart beginning with the outermost layer are: - ANSWERepicardium, myocardium, endocardium
collateral circulation - ANSWERcirculation formed by smaller blood vessels branching off from or near larger, occluded blood vessels
arterial lumen - ANSWERLayer of blood ve...
The layers of the wall of the heart beginning with the outermost layer are: - ANSWERepicardium,
myocardium, endocardium
collateral circulation - ANSWERcirculation formed by smaller blood vessels branching off from or near
larger, occluded blood vessels
arterial lumen - ANSWERLayer of blood vessel that is made up of elastic fibers and muscle to provide
strength and contractility
Cardiac Output is influence by - ANSWERHR and/or Stroke Volume
Automaticity is most accurately defined as the ability of the heart to: - ANSWERGenerate its own
electrical impulses without stimulation from nerves
In an ECG, the P wave represents... - ANSWERAtrial Depolarisation
A cardiac patient with respiratory distress should be assumed to be experiencing? - ANSWERHeart
failure with pulmonary edema.
Atherosclerosis is a process in which - ANSWERplaque infiltrates the arterial wall, decreasing its
elasticity and narrowing its lumen.
ACS is a term used to describe - ANSWERAny group of clinical conditions consistent with acute
myocardial ischemia
, In contrast to stable angina, unstable angina: - ANSWERoften awakens the patient from his or her
sleep.
The pain associated with an acute myocardial infarction - ANSWERis not influenced by deep
breathing or body movement.
Haemoglobin functions by - ANSWERBinding to oxygen that is absorbed in the lungs and transporting
it to the tissues
hypoperfusion (shock) can result from all of the following EXCEPT - ANSWERIncreased systemic
vascular resistance
What aggregates in a clump and forms much of the foundation of a blood clot during the process of
coagulation? - ANSWERplatelets
The heart's anatomic location is MOST accurately described as being:
a. retrosternal.
b. hemithoracic.
c. submediastinal.
d. supradiaphragmatic. - ANSWERretrosternal
What prevents the backflow of blood during ventricular contractions? - ANSWERThe atrioventricular
valves
approximately 70% of ventricular filling occurs - ANSWERDuring diastole
Which of the following statements regarding the right side of the heart is most correct - ANSWERThe
right side of the heart is a low pressure pump
In contrast to arteries, veins: - ANSWERare more likely to distend when exposed to backpressure.
The amount of blood that is pumped out by either ventricle per minute is called: - ANSWERcardiac
output
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