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






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






3. Outer layer of xylem that is alive






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






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






6. Responsible for both of these immune mechanisms






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






8. Primary organ of transport in the plant






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






10. Pumps deoxygenated blood into pulmonary circulation (toward the lungs)






11. 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






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






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






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






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






16. Any liquid in a thin tube will rise becaUse of the surface tension of the liquid and interactions between the liquid and the tube






17. 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)






18. Serve protective functions -aka WBC






19. Responsible for generating the force that propels systematic circulation and pumps against a higher resistance






20. 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






21. Composed of nonspecific and specific defense mechanisms






22. Excess interstitial fluid






23. Functions to absorb materials through the root hairs and anchor the plant -provide storage for energy reserves






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






25. The driving force of the circulatory system






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






27. Supply plant cells with nutrients and remove waste products






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






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






30. Carry oxygenated blood from the lungs to the heart






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






32. Branch into arterioles






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






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






35. Branches into a series of arteries






36. Modifies the rate of heart contraction






37. When hemoglobin bind to oxygen






38. Cell-surface proteins that are macromolecules that are foreign to the host organism and trigger an immune response ex: ABO group and the Rh factor






39. Transport deoxygenated blood from the heart to the lungs






40. Converts fibrinogen (another plasma protein) into fibrin






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






42. Actively dividing - undifferentiated cells of a plant






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






44. 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






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






46. Tissue involved in storage of nutrients and plant support






47. Where blood flows through in arthropods






48. Responsible for the proliferationof antibodies after exposure to antigens






49. Fluid left after blood clotting






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







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