Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Lecture Exam #2
Lecture Content Lecture: Exam 2 review
| Term | Definition |
|---|---|
| The heart sits in the | All of the above (Mediastinum, Pericardial cavity, Thoracic cavity) |
| Which of the following happens in arteriosclerosis? | Artery walls are scarred by inflammation |
| The ____ are mucles attached to the chordae tendineae that contract and keep the atrioventricular valves closed. | Papillary |
| The right ventricle pumps blood into the ____________ | Pulmonary arteries |
| Which of the following do not/does not have valves? | Arteries |
| An electrocardiogram can do all of the following, except ____. | Measure blood pressure |
| Cardiac muscle cells are connected by _____. | Intercalated discs |
| Oxygenated blood from the lungs returns to the heart through the ____________. | Pulmonary veins |
| Cells cannot pass through _________. | Continuous capillaries |
| Nerves that control dilation and constriction of the vessels are called ________. | Nervi vasorum |
| Nutrients are exchanged between the ________ and ________. | Capillaries and tissues |
| Which of the following is true of veins? | All of the above (They are more often found to have irregular shapes (noncircular) than arteries, ular shapes (noncircular) than arteries. They have a greater capability to expand than arteries, They have thinner walls than arteries.) |
| Blood pressure is measured in ____. | Millimeters of mercury |
| Leaf-like extensions called auricles can be found on the ____________. | Atria |
| Blood from the head returns to the heart via the _____. | Superior vena cava |
| __________ is the hydrostatic pressure of blood against the walls of the vessels or heart. | Blood pressure |
| Which of the following is correct? | The mitral valve is an atrioventricular valve with 2 cusps. |
| Approximately what percentage of blood is in the systemic veins at any time? | 64% |
| What can be found in the sulci in the heart? | All of the above (Arteries, Fat, Veins) |
| The intermittent fluctuations of blood flow through capillaries due to the constriction and relaxation of the precapillary sphincters is called _______. | Vasomotion |
| Which tunica blends with the connective tissue outside the vessel to keep the vessel in the proper position? | Tunica externa |
| Tunica media is thicker in ________. | Arteries than veins |
| _________ has a lining of endothelial cells. | Tunica intima |
| What is the range for total blood volume for the average person? | 4–6 L |
| ______ are the blood vessels with the thickest walls. | Arteries |
| The smallest ______ are just wide enough for a single erythrocytes to pass. | Capillaries |
| The ____ establishes the sinus rhythm of the heart and is known as the pacemaker. | Sinoatrial node |
| Which of the following lists has the vessels correctly ordered from largest to smallest diameters? | Artery, arteriole, capillaries |
| The large arteries close to the heart _____________________________. | Are elastic arteries. |
| The most superficial membrane surrounding the heart is the _____. | Fibrous pericardium |
| The ________ is the thickest layer of the heart wall. | Myocardium |
| The _____ is at the superior surface of the heart. | Base |
| Which of these membranes forms the first layer of the wall of the heart? | Endocardium |
| The great cardiac vein and the small cardiac vein converge at the _____. | Coronary sinus |
| The coronary arteries are the ____ set of branches from the aorta. | First |
Created by:
mdonovan8742
Popular Science sets