Answers (Latest Update 2026)
endocardium -
correct answer ✅inner lining of the heart
Myocardium -
correct answer ✅muscular, middle layer of the heart
epicardium -
correct answer ✅outer layer of the heart
Pericardium -
correct answer ✅Membrane surrounding the heart
systole -
correct answer ✅Contraction of the heart
Diastole -
correct answer ✅Relaxation of the heart
preload -
correct answer ✅volume of blood in ventricles at end of diastole
, PNR 221 Test 2 Exam Questions and
Answers (Latest Update 2026)
afterload -
correct answer ✅the amount of resistance to ejection of blood
from the ventricle
capillaries -
correct answer ✅Microscopic vessel through which exchanges
take place between the blood and cells of the body
veins -
correct answer ✅Blood vessels that carry blood back to the heart
heaves -
correct answer ✅sustained lifts of the chest wall in the precordial
area that can be seen or palpated.
murmurs -
correct answer ✅sounds created by abnormal, turbulent flow of
blood in the heart
systemic vascular resistance -
correct answer ✅the force opposing the movement of blood
within the blood vessels