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PCAT Biology Vascular Systems In Animals And Plants

Subjects : pcat, biology
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Cardiac muscle contracts rhythmically without stimulation from the nervous system - producing impulses that spread through its internal conducting system






2. Released by injured cells - which causes blood vessels to dilate - thereby increasing blood flow to the damaged region






3. Water entering the root hairs exerts a pressure that pushes water up the stem






4. Leukocytes involved in immune response and the production of antibodies (B cells) or cytolysis of infected cells (T cells)






5. Liquid portion of the blood -aqueous mixture of nutrients - salts - respiratory gases - wastes - hormones - and blood proteins -components are erythrocytes - leukocytes - and platelets






6. When hemoglobin bind to oxygen






7. Leukocytes that phagocytize foreign matter and organisms such as bacteria






8. Cell fragments that lack nuclei and are involved in clot formation -involved in injury repair






9. Universal donor since it will not elicit a response from the recipient's immune system because it does not possess any surface antigens






10. Blood is confined to blood vessel






11. Located between the atria and ventricles on both sides of the heart - prevent backflow of blood into the atria






12. Thin walled cells on the outside of the vascular bundle that transport nutrients down the stem -are living and include sieve tube cells and companion cells






13. Two upper chambers of the heart -thin walled






14. Severe anemia for the fetus caused by Rh+ fetus






15. The driving force of the circulatory system






16. Produced by cells under viral attack and diffuse to other cells - where they help prevent the spread of the virus






17. Blood transports nutrients and O2 to tissue and wastes and CO2 from tissue -transport of gases - transport of nutrients and wste - and clotting






18. Initiated by the body in response to physical damage and often accompanied by fever






19. Have three cusps and are located between the left ventricle and the aorta and between the right ventricle and the pumonary artery (the pulmonic valve)






20. Defined as the total volume of blood the left ventricle pumps out per minute = heart rate (number of BPM) x stroke volume (volume of blood pumped out of the left ventricle per contraction)






21. Heterotrophic cells that generally consume other cells or food particles -movement of gases and nutrients is a ccomplished by simple diffusion within the cell






22. Universal recipient as it has neither anti-A nor anti-B antibodies






23. Secondary circulatory system distinct from the cardiovascular circulation - =vessels transport lymph to the cardiovascular system - thereby keeping fluid levels in the body constant






24. Systole and diastole - which together make a heartbeat






25. Valve on the left side of the heart that has two cusps






26. Innervates the heart via the vagus nerve and causes a decrease in the heart rate






27. Supply plant cells with nutrients and remove waste products






28. Involves the production of antibodies and cell-mediated immunity






29. Valve on the right side of the heart has three cusps






30. Thick-walled - muscular - elastic vessels that transport oxygenated blood away from the heart






31. Have open circulatory systems in which blood (interstitial fluid) is in direct contact with the body tissues -blood is circulated primarily by body movements






32. Epidermis (outer-bark) - cortex - phloem - cambium - xylem - and pith






33. Serve protective functions -aka WBC






34. Transport deoxygenated blood from the heart to the lungs






35. Two layers thick and are the actively dividing - undifferentiated cells that give rise to xylem and phloem cell layers; as they divide - the cells near the phloem differentiate into phloem cells - and the cells near the xylem differentiate into xylem






36. Used to lower the immune response to transplants and decrease the likelihood of rejection






37. Innervates the heart via the cervical and upper thoracic ganglia and causes an increase in the ehart rate






38. Fluid left after blood clotting






39. Cells that are thick walled - often hollow cells located on the inside of the vascular bundle that carry water and minerals up the plant - and their thick walls give the plant its rigid support






40. Involves cells that combat fungal and viral infection






41. Carry oxygenated blood from the lungs to the heart






42. Include arteries - veins - and capilleries






43. Functions as the main heart by coordinated contractions in annelids






44. Leukocytes that migrate from the blood to tissue - where they mature into stationary cells






45. Branches into a series of arteries






46. Excess interstitial fluid






47. Swellins along lyph vessels containing phagocytic cells that filter the lymph - removing and destroying foreign particles and pathogens






48. Branch into arterioles






49. Located at the tips of roots and stems where division leads to increase in length






50. Fetal red blood cells (which will have the Rh factor) enter maternal circulation during birth which cause the anti-Rh antibodies she produced when sensitized by the first birth may cross the placenta and destroy fetal red blood cells







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