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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. Blood is confined to blood vessel






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






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






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






5. Physical barier against bacterial invasion






6. Systole and diastole - which together make a heartbeat






7. The period during which the ventricles contract






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






9. Branch into arterioles






10. The driving force of the circulatory system






11. 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)






12. 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






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






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






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






17. 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






18. 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






19. Responsible for the proliferationof antibodies after exposure to antigens






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






21. Excess interstitial fluid






22. Where blood flows through in arthropods






23. 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






24. Supply plant cells with nutrients and remove waste products






25. Where exchange occurs in arthropods






26. Transport deoxygenated blood from the heart to the lungs






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






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






29. Responsible for both of these immune mechanisms






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






31. Attracted to the injury site phagocytize antigenic material






32. Engulf and detroy foreign particles






33. Primary organ of transport in the plant






34. Branch into microscopic capillaries






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






36. Serve protective functions -aka WBC






37. Modifies the rate of heart contraction






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






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






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






41. Composed of nonspecific and specific defense mechanisms






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






43. 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






44. Outer layer of xylem that is alive






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






46. Carry oxygenated blood from the lungs to the heart






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






48. Tissue involved in storage of nutrients and plant support






49. Two upper chambers of the heart -thin walled






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







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