In Class Quiz 4 Flashcards
______ happens when the blood flow to a part of the heart is blocked and cause cardiac muscle cell death
Heart attack
Which of following describes general pathophysiology of chronic heart failure
Activation of parasympathetic nervous system
Increase in preload
Decrease in afterload
Deactivation of RAAS
Increase in preload
When blood pressure is high, _________ sense the mechanical changes of arteries, and send signal to _____; thus, it stimulates ______ to lower heart rate and overall blood pressure back to normal
Baroreceptors
Brain
Parasympathetic nervous system
Right sided heart failure occurs due to back-ups in the area that collects “used” blood
True
The most common cause of chronic heart failure is physical inactivity
False
Cardiac output can be preserved in chronic heart failure
False
Angiotensin II is converted from angiotensin I by ACE
True
Aldosterone is secreted from adrenal gland for water retention in collecting duct
True
Contractility of the heart can be increased from a direct sympathetic stimulation to the heart
True
Weakened heart muscle which cannot squeeze the ventricle well describes the typical characteristic of diastolic heart failure
False
Energy costs of walking are elevated 1.5 to 2 fold due to abnormal biomechanics in stroke patients
True
Heart rate should be used to detect the intensity of the exercise in stroke patients
False
Neurological problems, such as hyperreflexia and spasticity, are commonly observed in stroke patients
True
There will be paralysis on the right side of the body and speech problems if the stroke occurs on the right side of the brain
False
BNP is secreted by atria in response to high blood volume
False
