Grade 12 Homeostasis Practice Test

Are you preparing for an upcoming biology test? If so, you might want to test your knowledge on homeostasis by taking this quiz. It's time to put your knowledge of nephrons, neural circuits, and more to the test!

Do you have what it takes to ace this test on homeostasis at the grade 12 level? Time to put on your thinking cap and get ready to answer some questions about this notoriously difficult biology unit!

Created by: Avery
  1. What is the correct order of events in a negative feedback loop?
  2. True or False: Homeostasis is constant
  3. What major body systems are the most involved with maintaining homeostasis?
  4. What toxins do the kidneys remove from the body?
  5. What occurs in the Bowman's Capsule and Glomerulus?
  6. True or False: The Distal Convoluted Tubule in the nephron is hypoosmotic to isoosmotic.
  7. True or False: The Ascending Loop of Henle acts as a sodium pump.
  8. Why is it important that the Loop of Henle passes into the kidney's medulla?
  9. If the adrenal cortex is removed,what will happen to the body?
  10. True or False: In the kidneys, fluid moves in through the renal vein.
  11. What would happen if ions (Na+, K+, and Cl- were not reabsorbed).
  12. What amount of a hormone is needed to make a change?
  13. Patient X has decreased insulin levels and increased blood glucose levels. What disease do they have?
  14. True or False: Na+ crystals cause kidney stones.
  15. What is the role of afferent neurons?
  16. Why does neural signaling only proceed in one direction?
  17. After an action potential is sent through the pre-synaptic membrane, what activates the release of a neurotransmitter?
  18. True or False: Electrical synapse involves sending an electrical impulse across gap junctions.
  19. During resting potential, which ions are outside/inside the membrane?
  20. Which ion moves during depolarization, and where?
  21. Which ion moves during repolarization, and where?
  22. Why is the action potential threshold called "all or nothing"?
  23. True or False: Summation is when two inputs create one action potential.
  24. What hormone inhibits neurons?
  25. In the ADH feedback loop, what happens if water consumption is increased?
  26. If you can see far, but not near, what condition do you have?
  27. Why is there a "blind spot" in each eye?
  28. What is the function of the olfactory nerve?
  29. What is the function of the corpus collosum?
  30. What is the function of the frontal lobe?
  31. What is the function of the pons?
  32. True or False: The gyri in the brain are "hills" and the suculi are "valleys"

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