Question 1

The __________ drains blood from the wall of the heart into the right atrium.

Accepted Answer

The answer of The __________ drains blood from the wall...

Question 2

Which of the events below would increase the pressure of blood against the blood vessel walls? Choose all that apply.
an increase in peripheral resistance
__
a decrease in blood viscosity
an increase in stroke volume
vasoconstriction

Accepted Answer

The answer of Which of the events below would increase...

Question 3

The descending aorta divides near the brim of the pelvis to form the right and left ________.

Accepted Answer

The answer of The descending aorta divides near the brim...

Question 4

The ________ vein is the longest vein in the body.

Accepted Answer

The answer of The ________ vein is the longest vein...

Question 5

How do respiratory movements and skeletal muscle contraction affect circulation?

Accepted Answer

Respiratory movements and skeletal muscle contraction are synergistic because both assist circulation by squeezing and "pumping" venous blood. The movements of the skeletal muscles around veins help move blood towards the heart, while respiratory movements create negative pressure in the thorax which helps draw venous blood towards the heart. The combined effect of both synergistically aids in venous return, which assists in maintaining proper circulation.

Question 6

What is the longest vein in the body?

Accepted Answer

The great saphenous vein is the longest vein in the body, typically measuring around 38-42 cm in length. It runs from the foot all the way up to the groin and is commonly used as a graft in various surgical procedures.

Question 7

A mass of interconnected cardiac muscle cells that act as a group constitutes a(an)________.

Accepted Answer

The answer of A mass of interconnected cardiac muscle cells...

Question 8

The ___________ is the potential space between the parietal and visceral pericardial membranes.

Accepted Answer

The answer of The ___________ is the potential space between...

Question 9

There is/are ________ brachiocephalic arteries and ________ brachiocephalic veins.

Accepted Answer

There is one brachiocephalic artery, which is on the right side, and two brachiocephalic veins, one on each side of the body.

Question 10

When the left ventricle contracts,blood passes into the ________.

Accepted Answer

The answer of When the left ventricle contracts,blood passes into...

Question 11

The blood vessel that supplies blood to the coronary arteries is _________.

Accepted Answer

The aorta is the major blood vessel that supplies oxygenated blood to the body, including the coronary arteries that supply the heart itself.

Question 12

The T wave of an ECG pattern represents the repolarization of the ________.

Accepted Answer

The answer of The T wave of an ECG pattern...

Question 13

Blood is supplied to the myocardium by means of the __________ arteries.

Accepted Answer

The answer of Blood is supplied to the myocardium by...

Question 14

What region of the body receives its blood supply from the vertebral arteries?

Accepted Answer

The vertebral arteries supply blood to the cranial region, including the brainstem, cerebellum, and occipital lobes of the brain.

Question 15

The blood vessels whose walls are thin enough to allow exchange of gases between the blood and tissue fluid are ________.

Accepted Answer

The answer of The blood vessels whose walls are thin...

Question 16

What large blood vessel is formed by veins leaving digestive organs such as the stomach,spleen and intestines?

Accepted Answer

The hepatic portal vein is formed by veins leaving the digestive organs such as the stomach, spleen, and intestines.

Question 17

This artery has branches called the gastric,hepatic and splenic arteries.

Accepted Answer

The celiac artery is responsible for supplying blood to the stomach, liver, and spleen through its branches: gastric artery, hepatic artery, and splenic artery.

Question 18

The aorta is part of the ________ circuit.

Accepted Answer

The answer of The aorta is part of the ________...

Quiz 13: Cardiovascular System