WGU – D313 – Anatomy and Physiology 2
Cardiovascular System-2025
Where is the heart positioned? Choose 2 answers – Answer ☑️it is superior to the
diaphragm
It is medial to the lungs
What is the cardiac muscle of the heart? – Answer ☑️myocardium
Which chamber of the heart receives oxygenated blood from the lungs? – Answer ☑️left
atrium
The mitral (bicuspid) valve is between which chambers of the heart? – Answer ☑️left
atrium and left ventricle
Which of the following valves is not found in the heart? – Answer ☑️ileocecal valve
Semilunar valves have 2 crescent-shaped cusps (T/F) – Answer ☑️False
Which valve lies between the left ventricle and left aorta? – Answer ☑️aortic valve
The four heart valves prevents the backflow of blood (T/F) – Answer ☑️True
,Which structure prevents blood from flowing back into the atria on each side? –
Answer ☑️tricuspid and bicuspid valve
Which structure is responsible for the sound of the human heartbeat? – Answer ☑️valves
Which blood vessel carries oxygenated blood from the lungs to the left atrium? –
Answer ☑️pulmonary veins
Where are the elastic arteries located? – Answer ☑️near the heart
Medium veins do not have internal or elastic laminae and, therefore, are not able to
withstand high pressure (T/F) – Answer ☑️True
Which of the following types of veins contain valves? – Answer ☑️medium veins
Veins generally have very thick walls in relation to their diameter, with large lumen (T/F) –
Answer ☑️False
Which statements are true about veins? Choose 2 answers – Answer ☑️they are more
numerous than arteries
They lack smooth muscle
Using this equation NFP = (BHP + IFOP) – (BCOP + IFHP), what change in the net filtration
would one expect with an increase of blood hydrostatic pressure? – Answer ☑️increase
When would an active transport mechanism be necessary? – Answer ☑️when a
substance must be moved against its concentration gradient
,Which blood vessel has a very small diameter and is involved in the circulation of blood to
the capillaries? – Answer ☑️arteriole
Which blood vessel has the structural characteristics of both an arteriole and a capillary? –
Answer ☑️metarteriole
Which type of artery has more smooth muscle content and less elastic fibers? –
Answer ☑️muscular artery
Which type of capillaries has small pores present within them? – Answer ☑️fenestrated
capillaries
How are arteries different than veins? – Answer ☑️arteries carry blood away from the
heart
From which part of the aorta does the coronary arteries branch off? –
Answer ☑️ascending aorta
What is unique about the pulmonary veins? – Answer ☑️they are the only veins that
contain oxygenated blood
Which blood vessel brings blood that is filtered through the hepatic portal system back to
the heart? – Answer ☑️inferior vena cava
Blood from the digestive organs is transported to the liver by which vessel? –
Answer ☑️the portal vein
, The liver has many functions – Answer ☑️removes bacteria
Removes many toxins from the blood
Uses blood from digestive system for nutrient metabolism
The ductus venosus is a shunt that allows mostly oxygenated blood from the placenta to
flow into the fetal heart by bypassing which organ? – Answer ☑️the liver
Which structures carry blood to the heart? – Answer ☑️veins
What is the function of superior vena cava? – Answer ☑️it helps in collecting all the
deoxygenated blood
Which structure carries deoxygenated blood from the heart to the lungs? –
Answer ☑️pulmonary artery
How is the portal vein different from the hepatic vein? – Answer ☑️the portal vein enters
the liver
What is the ductus venosus? Choose 2 answers – Answer ☑️it is a small vessel
It connects the umbilical vein to the fetal inferior vena cava
What are the three branches of the aorta? – Answer ☑️ascending, descending, and aortic
arch
The right and left common carotid arteries both branch from the brachiocephalic trunk?
(T/F) – Answer ☑️false
Cardiovascular System-2025
Where is the heart positioned? Choose 2 answers – Answer ☑️it is superior to the
diaphragm
It is medial to the lungs
What is the cardiac muscle of the heart? – Answer ☑️myocardium
Which chamber of the heart receives oxygenated blood from the lungs? – Answer ☑️left
atrium
The mitral (bicuspid) valve is between which chambers of the heart? – Answer ☑️left
atrium and left ventricle
Which of the following valves is not found in the heart? – Answer ☑️ileocecal valve
Semilunar valves have 2 crescent-shaped cusps (T/F) – Answer ☑️False
Which valve lies between the left ventricle and left aorta? – Answer ☑️aortic valve
The four heart valves prevents the backflow of blood (T/F) – Answer ☑️True
,Which structure prevents blood from flowing back into the atria on each side? –
Answer ☑️tricuspid and bicuspid valve
Which structure is responsible for the sound of the human heartbeat? – Answer ☑️valves
Which blood vessel carries oxygenated blood from the lungs to the left atrium? –
Answer ☑️pulmonary veins
Where are the elastic arteries located? – Answer ☑️near the heart
Medium veins do not have internal or elastic laminae and, therefore, are not able to
withstand high pressure (T/F) – Answer ☑️True
Which of the following types of veins contain valves? – Answer ☑️medium veins
Veins generally have very thick walls in relation to their diameter, with large lumen (T/F) –
Answer ☑️False
Which statements are true about veins? Choose 2 answers – Answer ☑️they are more
numerous than arteries
They lack smooth muscle
Using this equation NFP = (BHP + IFOP) – (BCOP + IFHP), what change in the net filtration
would one expect with an increase of blood hydrostatic pressure? – Answer ☑️increase
When would an active transport mechanism be necessary? – Answer ☑️when a
substance must be moved against its concentration gradient
,Which blood vessel has a very small diameter and is involved in the circulation of blood to
the capillaries? – Answer ☑️arteriole
Which blood vessel has the structural characteristics of both an arteriole and a capillary? –
Answer ☑️metarteriole
Which type of artery has more smooth muscle content and less elastic fibers? –
Answer ☑️muscular artery
Which type of capillaries has small pores present within them? – Answer ☑️fenestrated
capillaries
How are arteries different than veins? – Answer ☑️arteries carry blood away from the
heart
From which part of the aorta does the coronary arteries branch off? –
Answer ☑️ascending aorta
What is unique about the pulmonary veins? – Answer ☑️they are the only veins that
contain oxygenated blood
Which blood vessel brings blood that is filtered through the hepatic portal system back to
the heart? – Answer ☑️inferior vena cava
Blood from the digestive organs is transported to the liver by which vessel? –
Answer ☑️the portal vein
, The liver has many functions – Answer ☑️removes bacteria
Removes many toxins from the blood
Uses blood from digestive system for nutrient metabolism
The ductus venosus is a shunt that allows mostly oxygenated blood from the placenta to
flow into the fetal heart by bypassing which organ? – Answer ☑️the liver
Which structures carry blood to the heart? – Answer ☑️veins
What is the function of superior vena cava? – Answer ☑️it helps in collecting all the
deoxygenated blood
Which structure carries deoxygenated blood from the heart to the lungs? –
Answer ☑️pulmonary artery
How is the portal vein different from the hepatic vein? – Answer ☑️the portal vein enters
the liver
What is the ductus venosus? Choose 2 answers – Answer ☑️it is a small vessel
It connects the umbilical vein to the fetal inferior vena cava
What are the three branches of the aorta? – Answer ☑️ascending, descending, and aortic
arch
The right and left common carotid arteries both branch from the brachiocephalic trunk?
(T/F) – Answer ☑️false
