What are pressure receptors in blood vessels and the heart that send impulses to
the brain stem to effect changes in HR, rate of contraction, and vascular smooth
muscle tone?
~ Baroreceptors
What receptors are in the carotid bodies and aorta that monitor oxygen, carbon
dioxide, and hydroge...
NUR 612 Cardio Exam 4
Questions and Answers
Which side of the heart receives blood from the body and sends it to the lungs?
✓~ Right side
Which side of the heart receives blood from the lungs and sends it to the body?
✓~ Left side
In the heart, what are the thin-walled, reservoirs for blood?
✓~ Atria
In the heart, what are thick-walled for pumping blood out of the heart?
✓~ Ventricles
What is the loose fitting sac around the heart holding it in a fixed position and
provides physical protection and a barrier to infection?
✓~ Pericardium
What is the muscular portion of the heart? From the wall of the atria and ventricles
, ✓~ Myocardium
What is the thin, three-layered membrane lining the heart?
✓~ Endocardium
The AV valves and semilunar valves are what type of pressure valves that ensure
one way flow?
✓~ One way valves
What provides structural support and isolating force for electrical impulse of the
heart?
✓~ Fibrous skeleton
Which circulation is made up of the right heart, pulmonary artery, capillaries, and
veins?
✓~ Pulmonary circulation
Which circulation moves blood through the lungs and creates a link with the gas
exchange function of the respiratory system?
✓~ Pulmonary circulation
Which circulation supplies all the other tissues of the body?
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