ANSWERS(RATED A+)
cardiac output - ANSWER volume of blood ejected by the heart each minute
CO is determined by - ANSWER heart rate and stroke volume
heart rate and stroke volume are controlled by - ANSWER autonomic nervous system
The heart is under constant control of the parasympathetic nervous system via -
ANSWER the vagus nerve
The PNS is the - ANSWER "zen" of the ANS, keeping everything mellow
the sympathetic nervous system (SNS) is the - ANSWER "stimulant" of the ANS.
The ANS increases or decreases - ANSWER heart rate and stroke volume based on
physical and chemical demands to ensure adequate cardiac output
SNS Stimulating the Beta 1 (B1) receptors in the heart also - ANSWER stimulates Beta
2 (B2) in the lungs to bronchodilate
Baroreceptors - ANSWER sensory receptors located in the aortic arch and carotid
arteries
Baroreceptors detect changes in - ANSWER BP
Baroreceptors detect changes bp and respond accordingly - ANSWER with either a
parasympathetic or a sympathetic reflex action.
Chemoreceptors located in the - ANSWER aortic arch and carotid arteries
Chemoreceptors respond to - ANSWER changes in oxygen, carbon dioxide, and
hydrogen ion concentration in the blood.
Chemoreceptors what systems will respond - ANSWER sympathetic or parasympathetic
system will respond accordingly.
cardiac medications - ANSWER Control ANS responses by altering either or both heart
rate and stroke volume.
Heart failure (HF) - ANSWER chronic and progressive disorder usually brought on by
hypertension and coronary artery disease.