Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
|
Heart |
a hollow muscular organ approximately the size of the patient's clenched fist. Made up of cardiac muscle. |
|
|
Myocardium |
Cardiac muscle |
|
|
Atrium |
The upper chamber of the heart |
|
|
Ventricle |
The lower chamber of the heart. |
|
|
Left Side of the Heart |
Pumps blood to the body. A high-pressure pump. |
|
|
Right Side of the Heart |
Pumps blood to the lungs. A low-pressure pump. |
|
|
Veins |
The right side of the heart receives blood from the ___________ of the body. |
|
|
Lungs; Pulmonary Veins |
The left side receives oxygenated blood from the ___________ through the ____________ ________. |
|
|
Chordae Tendineae |
Thin bands of fibrous tissue that attach to the valves in the heart and prevent them from inverting. |
|
|
Systole |
Ventricle contraction. |
|
|
Diastole |
When a ventricle relaxes. |
|
|
Normal Resting Heartbeat |
60 to 100 beats/minute. |
|
|
70;80 |
At each beat, ____to___ mL of blood is ejected from the adult heart. |
|
|
Stroke Volume (SV) |
The amount of blood moved in one beat. |
|
|
Cardiac Output (CO) |
The amount of blood moved in 1 minute. Found by HR x SV. |
|
|
Heart Rate (HR) |
The amount of beats per minute. |
|
|
Depolarization |
The electrical process during which the electrical charges on the surface of the muscle cell change from positive to negative. |
|
|
Repolarization |
The electrical process during which the heart returns to its resting state and the positive charge is restored to the surface. |
|
|
Arteries |
Carry blood from the heart to all body tissues. |
|
|
Tunica Media |
The middle layer of the artery. |
|
|
Aorta |
The principal artery leaving the back left side of the heart. |
|
|
Pulmonary Artery |
Begins at the right side of the heart and carries oxygen-depleted blood to the lungs. |
|
|
Arterioles |
The smallest branches of an artery leading to the vast network of capillaries. |
|
|
Pulse |
Created by the forceful pumping of blood out of the left ventricle and into the major arteries. |
|
|
Carotid Artery Pulse |
At the upper portion of the neck. |
|
|
Femoral Artery Pulse
|
Felt in the groin area. |
|
|
Radial Artery Pulse |
Felt at the wrist and the base of the thumb. |
|
|
Brachial Artery Pulse |
Felt on the medial aspect of the arm, midway between the elbow and shoulder. |
|
|
Posterior Tibial Artery Pulse |
Felt posterior to the medial malleolus |
|
|
Dorsalis Pedis Artery Pulse |
Felt on the top of the foot. |
|
|
Superior Vena Cava |
Carries blood returning from the head, neck, shoulders, and upper extremities. |
|
|
Inferior Vena Cava |
Carries blood from the abdomen, pelvis, and lower extremities. |
