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PCAT Biology Vascular Systems In Animals And Plants

Subjects : pcat, biology
Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. Exchange of gases - nutrients - and cellular waste products occurs via diffusion across this






2. Lying between the phloem and xylem - is a type of meristem called lateral meristem that provides for lateral growth of the stem by adding to the phloem or xylem






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






4. With the aid of its cofactors calcium and Vitamin K - converts the inactive plasma protein prothrombin to its active form - thrombin






5. Systole and diastole - which together make a heartbeat






6. Transport deoxygenated blood from the heart to the lungs






7. Two upper chambers of the heart -thin walled






8. Converge into venules and eventually into veins - leading deoxygenated blood back toward the heart






9. As water evaporates from the leaves of plants - a vacuum is created pulls water up the stem






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






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






12. Composed of nonspecific and specific defense mechanisms






13. Excess interstitial fluid






14. Pumps oxygenated blood into systemic circulation (throughout the body)






15. (earthworm) uses a closed circulatory system to deliver materials to cells that are not in direct contact with the external environment






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






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






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






19. The period of cardiac muscle relaxation during which blood drains into all four chambers






20. Conducts impulse slowly - allowing enough time for atrial contraction and for the ventricles to fill with blood






21. Branch into arterioles






22. Outer layer of xylem that is alive






23. Branches into a series of arteries






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






25. 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






26. Attracted to the injury site phagocytize antigenic material






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






28. Engulf and detroy foreign particles






29. Primary organ of transport in the plant






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






31. 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)






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






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






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






35. 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






36. The production of antibodies during an immune response -can be conferred by vaccination






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






38. When hemoglobin bind to oxygen






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






40. 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






41. Secrete sweat - which contains an enzyme that attacks bacterial cell walls






42. Branch into microscopic capillaries






43. Include arteries - veins - and capilleries






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






45. Carry oxygenated blood from the lungs to the heart






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






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






48. Specialized of the root epidermis with thin-walled projections increase the surface area for absorption of water and minerals from the soil






49. Carries impuls of AV node which branches into the right and left bundle branches - and through the Purkinje fibers in the walls of ventircles - generating a strong contraction






50. 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







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