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BIO 117 – EXAM 3 | 412 2026 ACTUAL EXAM PAPER QUESTIONS WITH SOLUTIONS GRADED A+

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BIO 117 – EXAM 3 | 412 2026 ACTUAL EXAM PAPER QUESTIONS WITH SOLUTIONS GRADED A+

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BIO 117 – EXAM 3 | 412 2026 ACTUAL EXAM
PAPER QUESTIONS WITH SOLUTIONS GRADED
A+

◉ CARDIAC OUTPUT.
Answer: amount of blood ejected by the heart in one minute


◉ HEART RATE.
Answer: number of beats per minute


◉ BRADYCARDIA.
Answer: <60 bpm


◉ TACHYCARDIA.
Answer: >100 bpm


◉ EPINEPHRINE.
Answer: increases heart rate, bronchodilator


◉ PULMONARY ARTERIES.
Answer: 2, carry deoxygenated blood to lungs

,◉ PULMONARY VEINS.
Answer: 4, carry oxygenated blood to the left atrium


◉ VALVES.
Answer: atrioventricular and semilunar


◉ ATRIOVENTRICULAR.
Answer: right-tricuspid, left-mitral


◉ SEMILUNAR.
Answer: pulmonary, aortic


◉ HEART SOUNDS.
Answer: represent closure of AV valves and semilunar valves


◉ FORAMEN OVALE.
Answer: in fetus opening between right and left atrium,
nonfunctional lungs


◉ LAYERS OF THE HEART.
Answer: endocardium-innermost

, myocardium-middle muscle layer
epicardium-outermost


◉ CONDUCTION SYSTEM OF THE HEART.
Answer: SA node, AV node, AV Bundle, Rt & Lt Bundle branches,
Purkinje fibers


◉ ELECTROCARDIOGRAM EKG.
Answer: P wave~atrial contraction


QRS~ventricular contraction, atrial relaxation


T wave~ventricular relaxation


◉ ARTERIES.
Answer: high pressure


◉ VEINS.
Answer: low pressure


◉ CAPILLARIES.
Answer: microscopic vessels

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