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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. Attracted to the injury site phagocytize antigenic material






2. Have body walls that are two cells thick -all cels are direct contact with either the internal or external environments so there is no need for a specialized circulatory system






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






4. 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






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






6. 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






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






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






9. 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)






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






11. 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






12. Branches into a series of arteries






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






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






15. Actively dividing - undifferentiated cells of a plant






16. Engulf and detroy foreign particles






17. Where blood flows through in arthropods






18. Run up and down the stem at the center and contains xylem - phloem - and cambium cells






19. Primary organ of transport in the plant






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






21. Involves cells that combat fungal and viral infection






22. Branch into microscopic capillaries






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






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






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






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






27. The period during which the ventricles contract






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






29. When hemoglobin bind to oxygen






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






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






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






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






34. Converts fibrinogen (another plasma protein) into fibrin






35. Two lower chambers of the heart -extremely muscular






36. Carry oxygenated blood from the lungs to the heart






37. Composed of nonspecific and specific defense mechanisms






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






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






40. 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






41. Two upper chambers of the heart -thin walled






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






43. Outer layer of xylem that is alive






44. A small mass of specialized tissue located in the wall of the right atrium regulates/originates an ordinary cardiac contraction -spreads impulses through both atria - stimulating them to contract simultaneously






45. An individual is injected witha weakened - inactive - or related form of a particular antigen - which stimulates the immune system to produce specific antibodies against it






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






47. Fluid left after blood clotting






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






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






50. Where exchange occurs in arthropods