Impulses in heart conduction originate in the:
sinoatrial node
Impulses originate in the ___X____ , then travels through the atria to the __________ . From there, the impulse travels through the __________ , the ________ , and ___________- causing _________ contraction.
Sinoatrial (SA) node
Impulses originate in the _______ , then travels through the atria to the _____X____ . From there, the impulse travels through the __________ , the ________ , and ___________- causing _________ contraction.
Atriaventricular (AV) node
Impulses originate in the _______ , then travels through the atria to the __________ . From there, the impulse travels through the ____X_____ , the ________ , and ___________- causing _________ contraction.
Bundle of His
Impulses originate in the _______ , then travels through the atria to the __________ . From there, the impulse travels through the __________ , the ____X___ , and ___________- causing _________ contraction.
right and left bundle branches
Impulses originate in the _______ , then travels through the atria to the __________ . From there, the impulse travels through the __________ , the ________ , and ___X_____- causing _________ contraction.
Purkinje Fibers
Impulses originate in the _______ , then travels through the atria to the __________ . From there, the impulse travels through the __________ , the ________ , and ___________- causing ____X____ contraction.
ventricle
A display of a heart rhythm on electrocardiogram displaying "normal" conduction of electricity through the heart is referred to as:
sinus rhythm
The umbrella term used to describe diseases of the heart muscle is:
cardiomyopathy
Normal arteriole blood pressure is:
120/80mmHg
Stroke Volume (SV) x Heart Rate (HR) =
Cardiac Output
How do the kidneys play a role in the regulation of blood pressure?
by releasing renin and activating the renin-angiotensin- aldosterone system and increasing or decreasing urine production
A septal defect resulting in a right to left heart shunt will:
result in hypoxia as oxygen deficient blood will be sent systemically
The weakening of a blood vessel, resulting in a bulge, is a life-threatening condition referred to as ___________.
aneurysm
Accumulation of fluid and inflammation in the space between the pericardial sac and the heart is called:
pericarditis
A major complication of endocarditis is:
formation of thrombi which can lead to an embolism
Which of the following is common is iv drug users?
endocarditis
All of the following are valuable tests for examining cardiac disorders except:
electrocardiogram
echocardiogram
lab values including cardiac enzymes
nuclear stress test
chest xray
all of these are non-invasive valuable tests for the heart
Which of the following is the primary factor to the development of arteriosclerosis?
accumulation of plaque in the arteries
Deposition of lipids and serum proteins in the arterial wall can be caused by: (choose all that apply)
mechanical injury
hypertension
Hyperlipidemia
Which of the following types of shock results from the heart inability to adequately pump blood from the heart?
cardiogenic
Right-sided heart failure can cause to pulmonary disease.
true
Which of the following is marked by deposits of amyloid in the heart muscle?
cardiac amyloidosis
Cardiac amyloidosis is a common type of which disease?
restrictive cardiomyopathy