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Janssen-Circulatory
Circulatory System Test
| Question | Answer |
|---|---|
| What is a minute artery? | Arteriole |
| What vessels carry blood away from the heart? | Arteries |
| What vessels carry blood to the heart? | Veins |
| What are small veins called? | Venules |
| What are the small blood vessels that connect arterioles & venules? | Capillaries |
| What are the upper chambers of the heart called? | Atria |
| What are the lower chambers of the heart called? | Ventricles |
| One complete contraction & relaxation of the atria & ventricles is known as a ____. | Cardiac Cycle |
| The amount of blood pumped per minute by the left ventricle. | Cardiac Output |
| The muscle layer of the heart. | Myocardium |
| The innermost layer of the heart. | Endocardium |
| The outer sac that encloses the heart. | Pericardium |
| The system of blood vessels that carries blood between the heart and lungs. | Pulmonary circulation |
| The heartbeat that is felt at different points on the outside of the body. | Pulse |
| Which side of the body is the apex of the heart pointed? | Left |
| What allows blood to move between the atria and ventricles? | Valves |
| The amount of blood pumped by a ventricle in a single contraction. | Stroke Volume |
| The contraction of the heart | Systole |
| The relaxation of the heart | Diastole |
| Closure of the ________________ produces the heart beat we hear. | Valves |
| Squamous epithelial layer of artery and vein walls that reduces friction in the lining. | Tunic Intima |
| Muslce layer of artery and vein walls that stretches and recoils. | Tunic Media |
| Fibrous connective tissue that supports & protects arteries and veins. | Tunic Externa |
| How thick are capillary walls? | 1 cell |
| Which type of vessel has the thickest walls? | Arteries |
| Normally arteries carry O2 rich blood and veins carry CO2 rich blood. Pulmonary arteries & veins are an exception to this rule. What is one other exception? | Umbilical or Portal |
| The vertebral arteries and what other arteries supply blood to the brain? | Internal carotids |
| What is the communication between the arteries that supply blood to the brain? | Circle of Willis |
| Which type of circulation has a capillary bed that is both fed and drained by veins? | Portal |
| What is the vessel that bypasses the liver in fetal circulation? | Ductus Venosus |
| There are 2 vessels that bypass the lungs in fetal circulation. One is the Ductus Arteriosis. What is the other? | Foramen Ovale. |
| Which umbilical cord vessel carries O2 & nutrient rich blood? | Umbilical Vein |
| Which artery is located in the wrist and is used for taking pulses? | Radial |
| Which arteries are located lateral to the eyes? | Temporal |
| Which arteries are located in the groin? | Femoral |
| Which arteries are located in the back of the knee? | Popliteal |
| What force maintains circulation throughout the entire body? | Blood pressure |
| What is the most important function of the lymph vessels? | Collect excess fluid |
| What kind of cells does the spleen destroy? | RBC's |
| What kind of cells does the spleen produce? | Lymphocytes |
| What are veins that have twisted & dilated due to incompetent valves? | Varicose Veins |
| What separates the right and left sides of the heart? | Septum |
| Which chambers of the heart receive blood? | Atria |
| Which chambers of the heart pump blood? | Ventricles |
| What artery comes out of the left ventricle and supplies blood to all body tissues? | Aorta |
| The left atrioventricular valve is also known as the ___________valve. | Bicuspid |
| The right atrioventricular valve is also known as the ______________ valve. | Tricuspid |
| What is the name of the tiny white cords that anchor the valves? | Chordae Tendineae |
| The valves that guard the bases of the two large arteries leaving the ventricles are known as _____________________ valves. | Semilunar |
| What is the medical term for heart valves that have become stiff (usually due to infection)? | Valvular stenosis. |
| Which set of arteries supply the heart directly with blood and nutrients? | Coronary |
| What is the medical term for heart attack? | Myocardial Infarction |
| What is the medical term for chest pain? | Angina Pectoris |
| A rapid uncoordinated shuddering of the heart muscle is known as _________________. | Fibrillation |
| Rapid heart rate is known as __________________. | Tachycardia |
| Slow heart rate is known as _________________. | Bradycardia |
| The sinoatrial node of the heart is also known as the _________________ because it starts the heartbeat and sets the rate. | Pacemaker |
| What disease is characterized by a decreased pumping efficiency of the heart, which decreases circulation so that tissues are not getting the oxygen & nutrients they need? | Congestive Heart Failure |
| The amount of friction encountered by the blood as it flows through the blood vessels is known as _______________________. | Peripheral resistance |
| Low blood pressure is known as ___________________. | Hypotension |
| High blood pressure is known as ___________________. | Hypertension |
Created by:
jjanssen33
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