The Cardiovascular System 3

16 Questions | By Dmclover73 | Updated: Apr 28, 2023 | Attempts: 44

Questions

Settings

Create your own Quiz

I created these quizzes to help me study for my A&P exams. This quiz is about circulation.

Questions and Answers

1.

The path of blood that goes from the heart to the lungs and back again is known as the _____________.
2.

The path of blood that leaves the heart, flows throughout the body and returns to the heart is known as the __________.
3.

_________ provides the blood supply to the heart muscle itself and consists of the two coronary arteries and their branches.
4.

The right and left coronary arteries take their origins from the ______ just distal to the __________.
5.

The right coronary artery appears on the surface of the heart between the ______ and the _______.
6.

Two branches of the right coronary artery are the ________ and the ______________.
7.

The left coronary artery appears on the surface of the heart between the ________ and the __________ and then branches.
8.

Two branches of the left coronary artery are the __________ and the __________.
9.

The myocardium contains many ___________ that are fed by the branches of the ______________.
10.

The smaller branches of the coronary arteries usuall have __________, which is a connection or joining of vessels.
11.

The function of the many capillaries found in the myocardium that are fed by branches of the coronary arteries is to provide __________ for the flow of blood if one of the vessels becomes __________.
12.

____________ refers to providing alternate pathways for the flow of blood if one of the vessels involved becomes obstructed.
13.

During _____________ the myocardium receives the least amount of blood supply.
- A.
  
  Arterial contraction
- B.
  
  Ventricular contraction
- C.
  
  Arterial relaxation
- D.
  
  Ventricular relaxation
14.

The myocardium receives the least amount of blood supply during ventricular contraction because the openings into the ____________ are partially blocked as the flaps of the ________ open during ventricular contraction and _______ of the myocardium compress nearby blood vessels as they contract.
15.

Most of the blood supplied to the myocardium by the coronary arteries is returned to the ______ by the _________ and they run parallel to those of the ____________.
16.

The _________ is a large vein on the posterior surface of the heart. All of the cardiac veins drain into this vessel which drains into the ___________.