PORTAGE LEARNING CHEM 210 MODULE 4
CERTIFICATION EVALUATION EXAMS 2026
BUNDLED EXAMS FULL SOLUTION
◉ The layers of the heart wall from superficial to deep are; Answer:
pericardium, myocardium, endocardium
◉ Functions of the cardiovascular system. Answer: transport, protect,
prevent (blood loss)
◉ layers of blood vessels. Answer: tunica intima, tunica media, tunica
externa
◉ contraction of arterioles does what to blood pressure? Answer:
increases blood pressure
◉ 2 main artery systems. Answer: left and right coronary artery
◉ Left coronary artery branches. Answer: circumflex artery and anterior
interventricular artery
, ◉ right coronary artery branches. Answer: posterior interventricular
artery and marginal artery
◉ circumflex artery supplies. Answer: left atrium and ventricle
◉ anterior interventricular artery supplies. Answer: both ventricles
◉ posterior interventricular artery supplies. Answer: both ventricles
◉ 3 phases of cardiac cycle. Answer: atrial systole, ventricular systole,
atrial and ventricular diastole
◉ what is the "lub" sound? Answer: the atrioventricular valves closing
◉ what is the "dub" sound? Answer: semilunar valves closing
◉ systolic pressure. Answer: Blood pressure in the arteries during
contraction of the ventricles.
◉ diastolic pressure. Answer: the pressure in the arteries when the heart
is at rest
CERTIFICATION EVALUATION EXAMS 2026
BUNDLED EXAMS FULL SOLUTION
◉ The layers of the heart wall from superficial to deep are; Answer:
pericardium, myocardium, endocardium
◉ Functions of the cardiovascular system. Answer: transport, protect,
prevent (blood loss)
◉ layers of blood vessels. Answer: tunica intima, tunica media, tunica
externa
◉ contraction of arterioles does what to blood pressure? Answer:
increases blood pressure
◉ 2 main artery systems. Answer: left and right coronary artery
◉ Left coronary artery branches. Answer: circumflex artery and anterior
interventricular artery
, ◉ right coronary artery branches. Answer: posterior interventricular
artery and marginal artery
◉ circumflex artery supplies. Answer: left atrium and ventricle
◉ anterior interventricular artery supplies. Answer: both ventricles
◉ posterior interventricular artery supplies. Answer: both ventricles
◉ 3 phases of cardiac cycle. Answer: atrial systole, ventricular systole,
atrial and ventricular diastole
◉ what is the "lub" sound? Answer: the atrioventricular valves closing
◉ what is the "dub" sound? Answer: semilunar valves closing
◉ systolic pressure. Answer: Blood pressure in the arteries during
contraction of the ventricles.
◉ diastolic pressure. Answer: the pressure in the arteries when the heart
is at rest
