Cardiovascular Test
62 Questions
| Total Attempts: 107
Questions on the Cardiovascular System.
Questions and Answers
- 1.Cardio is from the Greek word kardia, meaning _________ .
- 2.Vascular is from the Latin word vasculum, meaning _______.
- 3.The heart that provides the motive force to move blood through the _______ system.
- 4.The human heart is a ________ muscular pump
- A.
Heart-shaped
- B.
Cone-shaped
- C.
Round
- 5.The heart is located in the mediastinal cavity of the _____ between the lungs and beneath the sternum.
- 6.The cone-shaped heart lies on its side on the diaphragm, with its base (the widest part) upward and leaning toward the left shoulder, and its apex pointing down and to the right.
- A.
True
- B.
False
- 7.In this biological pump, the muscles of the _______ walls provide the motive force,
- 8.The ______ of the heart direct the flow of blood.
- 9.The ______ vessels of the heart convey blood to and from body tissues.
- 10.Most of the great vessels, the pulmonary trunk, the _____, and the superior vena cava, emerge upward from the base of the heart.
- 11.The chambers of the heart alternately contract and relax in a rhythmic cycle.
- A.
True
- B.
False
- 12.The period of contraction is known as _______.
- 13.During systole, the heart pumps blood out through the _______.
- 14.The period of relaxation is known as ________.
- 15.During the period of relaxation (diastole), the heart fills with blood.
- A.
True
- B.
False
- 16.One complete sequence of filling and pumping blood is called a ______ cycle, or heartbeat.
- 17.The heart's rhythm of contraction is controlled by the sinoatrial node (SA node), often called the _________.
- 18.This node is part of the heart's intrinsic conduction system, which is made up of specialized myocardial cells called ______ cells.
- 19.The heart will not beat without input from the nervous system.
- A.
True
- B.
False
- 20.The heart will continue to beat, even outside the body, as long as its cells are alive.
- A.
True
- B.
False
- 21.The automatic nature of the heartbeat is referred to as _______.
- 22.Automaticity is due to the spontaneous _______ activity of the SA node.
- 23.Electrical impulses generated from the SA node spread through the heart via a nodal tissue pathway that coordinates the events of the cardiac cycle.
- A.
True
- B.
False
- 24.The ________ system initiates and coordinates the muscular activity of the heart.
- 25.Pressure differentials that result from muscle activity actuate the opening and closing of the arteries.
- A.
True
- B.
False
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