Test your basic knowledge |

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. Leukocytes that phagocytize foreign matter and organisms such as bacteria






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






3. 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)






4. Inappropriate response to certain foods and pollen that cause the body to form antibodies and release histamine






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






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






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






8. Prevent extensive blood loss while the damaged vessel heals itself






9. Composed of nonspecific and specific defense mechanisms






10. Blood is confined to blood vessel






11. Lined in passages - which filter and trap foreign particles






12. Involves cells that combat fungal and viral infection






13. Oxygen carrying components of blood -formed from stem cells in the bone marrow where they lose their nuclei - mitochodnria - and membranous organelles






14. When platelets come into contact with the exposed collagen of a damaged vessel - they release a chemical chemical that causes neighboring platelets to adherer to one another






15. In annelids - five pairs of vessels that connect the dorsal vessel to the ventral vessel and function as additional pumps






16. Skin - mucous-coated epithelia - macrophages - inflammatory - interferons






17. Two lower chambers of the heart -extremely muscular






18. Include arteries - veins - and capilleries






19. Phloem - cambium - and xylem layers






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






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






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






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






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






25. The driving force of the circulatory system






26. 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






27. Responsible for both of these immune mechanisms






28. Modifies the rate of heart contraction






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






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






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






32. Exchange of gases - nutrients - and cellular waste products occurs via diffusion across this






33. Another antigen that may be present on the surface of red blood cells






34. Coat the damaged area and trap blood cells to form a clot






35. Relatively thinly walled - inelastic vessels that conduct deoxygenated blood toward the heart






36. Cardiac muscle contracts rhythmically without stimulation from the nervous system - producing impulses that spread through its internal conducting system






37. Phagocytic cells that filter the lymph - removing and destroying foreign particles and pathogens






38. Engulf and detroy foreign particles






39. Attracted to the injury site phagocytize antigenic material






40. Smallest diameter of all three types of vessels; red blood cells must often travel through them single file






41. Excess interstitial fluid






42. Where blood flows through in arthropods






43. Systole and diastole - which together make a heartbeat






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






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






46. Fraction of the blood containing a wide variety of antibodies - that can be used to confer temporary protection against hepatitis and other diseases by passive immunity






47. Exerts hormonal control via epinepherine (adrenaline) secretion - which causes an increase in heart rate






48. Fluid left after blood clotting






49. AKA immunoglobulins (Igs) -defense mechanism that are complex proteins that recognize and bind to specific antigens and trigger the immune system to remove them -either attract other cells to phagocytize the antigen or cause the antigens to clump tog






50. Carry oxygenated blood from the lungs to the heart