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Bio 169 (Cardiology and immunity); Questions & Answers 100% Correct $11.49   Add to cart

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Bio 169 (Cardiology and immunity); Questions & Answers 100% Correct

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Bio 169 (Cardiology and immunity); Questions & Answers 100% Correct papillary muscles Correct answer-extend from the endocardium of both ventricles and are attached to the cusps of the right and left valves right bundle branch Correct answer-is a bifurcation of conduction myofibrils at the i...

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  • August 9, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Bio 169
  • Bio 169
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GOLDTUTORS
Bio 169 (Cardiology and immunity); Questions
& Answers 100% Correct
papillary muscles Correct answer-extend from the endocardium of both ventricles and
are attached to the cusps of the right and left valves




right bundle branch Correct answer-is a bifurcation of conduction myofibrils at the
interventricular septum that distributes the impulses from the AV bundle to the right ventricle




Atrial Tachycardia Correct answer-arrhythmia that usually has a rate between 150-250
bpm and consist of rapid heart rates that result from a regular succession of ectopic beats in the
atria or from a reentry pathway within the AV node




An electrocardiogram is a surface measurement of the electrical potential generated by
electrical activity in Correct answer-purkinge fibers




the heart comprises_______% of the body weight and uses ______% of the body's oxygen
Correct answer-.5%; 5%




the ________ returns 20% of the coronary circuit venous return to the __________
Correct answer-small coronary veins; right ventricle




the ________ valve prevents backflow from the RV into the RA during RV _______
Correct answer-tricuspid; systole

, Bio 169 (Cardiology and immunity); Questions
& Answers 100% Correct
specialized muscle structures in the ventricles called ____________ contribute to the structure
of the chambers Correct answer-trabeculae carnae




the epicardium and the parietal pericardium secrete ___________ fluid into the ___________
sac Correct answer-serous; pericardial




the LAV along with the RAV form the _________ heart sound known as __________
Correct answer-first; lubb




NSR is the abbreviation for Correct answer-normal sinus rhythm




composed of auto-rhythmic cells located at the junction of the four chambers of the heart, this
acts as the secondary pacemaker_________ Correct answer-atrio-ventricular node




the ______ wave is the first positive deflection that represents atrial _________ as it spreads
from the _____ node and across both atria Correct answer-P; depolarization; SA




known as the flat line or asystole, this point denotes neither a negative nor positive deflection
Correct answer-isoelectric trace line




the period when all heart muscle of the chambers is at rest is known as the Correct
answer-quiescent

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