ASU BIO 202 Exam 1 (cardiac) Questions and Answers.

ASU BIO 202 Exam 1 (cardiac) Questions and
Answers
exercise and cardiac output



muscular activity causes_____ in venous return and causes SV to _____ -

✔️increase



Exercise produces -

✔️ventricular hypertrophy



the heart is located in the -

✔️thorax



the heart sits in the _____ area between lungs -

✔️mediastinum



superior= -

✔️base



inferior= -

✔️apex



enclosed in a sac called the -

✔️pericardium



list heart wall's 3 layers from superficial to deep -

✔️epicardium/visceral pericardium

myocardium

endocardium

,external membrane (parietal and visceral pericardium) -

✔️epicardium



cardiac muscle -

✔️myocardium



endothelium -

✔️endocardium



a _____ separates the right and left sides of heart -

✔️septum



2 septums -

✔️atrial

ventricular



_____ separate the atria from the ventricle -

✔️valves



Right A-V valve -

✔️tricuspid



Left A-V valve -

✔️bicuspid



opening into Pulmonary artery -

✔️pulmonary valve



opening into the aorta -

✔️aortic valve

, The heart gets its metabolic blood supply from: -

✔️The left and right coronary arteries, which are the first branches off the aorta as it leaves the
heart.



compromise of metabolic blood supply (from coronary arteries) is called -

✔️coronary artery disease (CAD)



The heart is a 4 chambered muscular pump -

✔️Right Atrium

Left Atrium

Right Ventricle

Left Ventricle



right and left atria -

✔️two superior, posterior chambers

receive blood returning to heart



right and left ventricles -

✔️two inferior chambers

pump blood into arteries



separates atria, ventricles -

✔️Atrioventricular sulcus (tricuspid/bicuspid)



grooves separate ventricles -

✔️Anterior and posterior sulci



Pumps venous blood to the lungs -

✔️Pulmonary circuit