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| 5437243667 | veins | What type of blood vessel carries blood back to the heart? | 0 | |
| 5437243668 | venules | What is the smallest type of vein? | 1 | |
| 5437243669 | less smooth muscle & valves | How do veins differ structurally from arteries? | 2 | |
| 5437243670 | pulmonary vein | What type of vein carries oxygenated blood? | 3 | |
| 5437243671 | pulmonary veins | What blood vessels carry blood from the lungs to the heart? | 4 | |
| 5437243672 | inferior vena cava | What blood vessel returns blood from the lower limbs, pelvis and perineum, and abdominal structures to the right atrium of the heart? | 5 | |
| 5437243673 | superior vena cava | Vessels formed by the merging of veins draining the head, neck, and upper limbs themselves merge to form what vessel, which then drains into the right atrium of the heart? | 6 | |
| 5437243674 | coronary sinus | What coronary blood vessel empties into the right atrium of the heart? |  | 7 |
| 5437243675 | dural venous sinuses | What structures collect venous blood from within the cranial cavity and are formed by the two layers of the dura mater? | 8 | |
| 5437243676 | internal jugular vein | What deep vein draining the cranial cavity begins at the jugular foramen of the skull? |  | 9 |
| 5437243677 | vertebral veins | What veins drain the cranial cavity and extend through the transverse foramina of the cervical vertebrae? | 10 | |
| 5437243678 | external jugular vein | What vein draining the head can often be seen superficial to the sternocleidomastoid? |  | 11 |
| 5437243679 | superficial and deep | What are the two groups of veins in the upper extremity? | 12 | |
| 5437243680 | dorsal venous arch (or network) | What superficial network of veins lies on the dorsum of the hand? | 13 | |
| 5437243681 | basilic vein | What superficial vein runs adjacent to the medial surface of the upper extremity? | 14 | |
| 5437243682 | cephalic vein | What superficial vein runs alongside the lateral aspect of the upper limb? | 15 | |
| 5437243683 | axillary vein | The cephalic vein drains into what vein? |  | 16 |
| 5437243684 | median cubital vein | What vein unites the cephalic and basilic veins in the cubital fossa? | 17 | |
| 5437243685 | palmar venous arches | What network of deep veins drains the hand? |  | 18 |
| 5437243686 | radial and ulnar veins | What deep veins run parallel to the main arteries of the forearm? | 19 | |
| 5437243687 | brachial vein | The deep veins of the forearm converge to form what vein? |  | 20 |
| 5437243688 | axillary vein | What deep vein is formed by the convergence of the brachial and basilic veins? | 21 | |
| 5437243689 | subclavian vein | What vein has the lateral border of the first rib as its lateral border? |  | 22 |
| 5437243690 | subclavian vein | The external jugular vein drains into what vein? | 23 | |
| 5437243691 | left and right brachiocephalic veins | Veins that drain the head, neck, and upper limbs merge to form what vessels? | 24 | |
| 5437243692 | brachiocephalic vein | The convergence of the internal jugular vein and the subclavian vein forms what vein? | 25 | |
| 5437243693 | superior vena cava | The convergence of the brachiocephalic veins forms what vein? | 26 | |
| 5437243694 | great saphenous vein | What superficial vein originates on the medial side of the ankle and extends from there along the medial surface of the lower extremity to the femoral triangle where it drains into the femoral vein? |  | 27 |
| 5437243695 | small saphenous vein | What superficial vein extends from the lateral ankle to the popliteal region where it drains into the popliteal vein? |  | 28 |
| 5437243696 | anterior tibial veins, posterior tibial veins, fibular veins | What deep veins of the leg run parallel to the main arteries in this region? | 29 | |
| 5437243697 | popliteal vein | The anterior tibial vein and the posterior tibial vein converge to form what vein? |  | 30 |
| 5437243698 | the hiatus of the adductor magnus | What is the proximal border of the popliteal vein? | 31 | |
| 5437243699 | femoral vein | What vein extends from the hiatus of the adductor magnus to the inguinal ligament? |  | 32 |
| 5437243700 | external iliac vein | What vein extends from the inguinal ligament to the merger of this vein with the internal iliac vein? | 33 | |
| 5437243701 | common iliac vein | What vein is formed by the convergence of the external and internal iliac veins? | 34 | |
| 5437243702 | inferior vena cava | The common iliac veins merge to form what vein? |  | 35 |
| 5437243703 | gonadal veins — testicular or ovarian veins | What veins drain the gonads? | 36 | |
| 5437243705 | The right drains into the inferior vena cava" The left drains into the left renal vein. | How do the left and right gonadal veins differ? | 37 | |
| 5437243706 | internal iliac vein | What vein drains blood from the pelvis and perineum? |  | 38 |
| 5437243707 | renal veins | What veins drain the kidneys? | 39 | |
| 5437243708 | a portal system | What is a system of veins that begins and ends in capillaries? | 40 | |
| 5437243709 | hepatic portal vein | What large vein receives oxygen-poor blood but nutrient-rich blood from the GI tract and delivers it directly to the liver? |  | 41 |
| 5437243710 | inferior mesenteric vein, splenic vein, superior mesenteric vein | What are the three main tributaries of the hepatic portal vein? | 42 | |
| 5437243711 | hepatic veins | What veins carry blood from the liver into the inferior vena cava? | 43 | |
| 5437243712 | azygos system | What system of veins drains the posterior abdominal and thoracic walls? |  | 44 |
| 5437243713 | azygos vein | What vein carries blood from the posterior abdominal and thoracic walls into the superior vena cava? |  | 45 |
| 5437243714 | placenta | What is the organ of exchange between a mother and her fetus? |  | 46 |
| 5437243715 | umbilical cord | What structure carries blood between the fetus and the placenta? | 47 | |
| 5437243716 | umbilical arteries | What blood vessels carry blood from the fetus to the placenta? | 48 | |
| 5437243717 | umbilical vein | What structure carries blood from the placenta to the fetus? |  | 49 |
| 5437243718 | ductus venosus | What structure shunts blood away from the liver and toward the inferior vena cava of the fetus? |  | 50 |
| 5437243719 | foramen ovale | What structure allows blood to be shunted from the right atrium to the left atrium of the fetus? | 51 | |
| 5437243720 | ductus arteriosus | What structure shunts blood from the pulmonary trunk to the aorta of the fetus? |  | 52 |
| 5437243722 | round ligament of the liver (ligamentum teres) | The umbilical vein of the fetus becomes what structure after birth? |  | 53 |
| 5437243723 | medial umbilical ligaments | The umbilical arteries of the fetus become what structures after birth? |  | 54 |
| 5437243724 | ligamentum arteriosum | The ductus arteriosus becomes what structure after birth? |  | 55 |
| 5437243725 | fossa ovalis | The foramen ovale becomes what structure after birth? |  | 56 |
| 5437243726 | the cardiovascular system & the lymphatic system | The circulatory system has two main components. What are they? | 57 | |
| 5437243727 | Absorbs and transports excess interstitial fluid back to the bloodstream. Absorbs and transports dietary lipids. Houses lymphocytes. Generates an immune response. | List the general functions of the lymphatic system. | 58 | |
| 5437243728 | lymphatic capillaries | What are the closed-ended tubes which are found among blood capillary networks and which work to collect excess interstitial fluid? | 59 | |
| 5437243729 | lymphatic vessels | What structures of the lymphatic system resemble veins in that they have three tunics and valves? | 60 | |
| 5437243730 | lymph nodes | What lymphatic organs are connected to lymph vessels and work to filter foreign or pathogenic material from lymph? | 61 | |
| 5437243731 | right lymphatic duct | What structure collects lymph from the right upper extremity, the right side of the head and neck, and the right side of the thorax and returns it to the blood at the junction of the right internal jugular vein and the right subclavian vein? |  | 62 |
| 5437243732 | thoracic duct | What structure collects lymph from the left side of the head and neck, left upper extremity, left thorax, and all body regions inferior to the diaphragm? | 63 | |
| 5437243733 | cisterna chyli | What rounded, saclike structure lies at the base of the thoracic duct? |  | 64 |
| 5437243734 | tonsils | What are large clusters of lymphatic cells and extracellular matrix that are not completely surrounded by a connective tissue capsule and form a ring of lymphatic tissue around the pharynx? |  | 65 |
| 5437243735 | thymus | What lymphatic organ lies posterior to the manubrium and anterior to the aorta in the superior mediastinum? |  | 66 |
| 5437243736 | lymph nodes | What are small, round or oval structures that are located along the pathways of lymph vessels? | 67 | |
| 5437243737 | axillary lymph nodes, inguinal lymph nodes, cervical lymph nodes, cubital lymph nodes. | List some clusters of lymph nodes that are palpable from the surface of the body? | 68 | |
| 5437243738 | spleen | What lymphatic organ is located in the left upper quadrant of the abdomen, inferior to the diaphragm and adjacent to ribs 9-11? |  | 69 |
