(Some questions have more than one right answer)

  1. What hormone is released from follicle cells (A) and corpus luteum (B)?
  2. A: Testosterone B: Progesterone
  3. A: Progesterone B: Estrogen
  4. A: Estrogen B: Progesterone
  5. A: LH B: FSH
  6. When a receptor cell depolarizes in response to stimulus, what happens to membrane potential?
  7. Increases
  8. Decreases
  9. Stays the same
  10. Becomes too large to measure
  11. Stereocilia touch the tectorial membrane. When tectorial membrane moves, stereocilia bend
  12. True
  13. False
  14. Which ion moves into hair cells when stereocilia bend, depolarizing the membrane?
  15. Na+
  16. Ca2+
  17. K+
  18. I-
  19. The retina contains the ______.
  20. Rods; Cones
  21. Ganglion cells
  22. Photoreceptor cells
  23. Bipolar cells
  24. What are the two pigments located in photoreceptor cells?
  25. Cone pigments and photopsins
  26. Rhodopsins and photopsins
  27. Vitamin A and opsins
  28. Opsins and retinal
  29. Photoreceptors are different from other sensory cells because they:
  30. Respond to external stimulus
  31. Become hyperpolarized on receipt of stimulus
  32. Become depolarized on receipt of stimulus
  33. Do not have a nucleous
  34. Which of the following is not involved in the myotatic spinal reflex?
  35. The brain
  36. Interneuron
  37. Sensory neuron
  38. Motor neuron
  1. One fascicle contains many ______.
  2. Myofibrils
  3. Blood vessels
  4. Nerves
  5. Muscle fibers
  6. One muscle fiber contains many ______.
  7. Myofibrils
  8. Fascicles
  9. Tendon
  10. Sarcoplasmic reticuli
  11. Thin filaments are myosins and thick filaments are actins.
  12. True
  13. False
  14. In the image, the blue lines represent ______and the red lines represent ______

  1. Thick filaments; thin filaments
  2. Myosin; actin
  3. Sarcomere; myofibrils
  4. Myofibrils; actin filaments
  1. What has to happen before cross-bridge formation?
  2. Calcium has to bind troponin
  3. Calcium has to bind tropomyosin
  4. ATP has to be hydrolyzed
  5. ATP has to be released
  1. Which hormone does the hypothalamus release?
  2. hCG
  3. GnRH
  4. LH
  5. FSH
  6. Primary oocytes are surrounded and nourished by follicle cells.
  7. True
  8. False
  9. What event happens when FSH and LH are at the highest concentration in the body?
  10. Follicular phase ends
  11. Ovulation
  12. Luteal phase ends
  13. GnRH is released
  14. The ruptured follicle develops into ______
  15. Ovary
  16. Primary oocyte
  17. Secondary oocyte
  18. Corpus luteum
  19. Benzo(a)pyrene is metabolized in our body to form a carcinogen.
  20. True
  21. False
  22. Which mutation leads to the formation of a stop codon instead of a regular amino acid?
  23. Silent
  24. Nonsense
  25. Missense
  26. Frameshift
  27. Which of the below does not participate in regulating cell cycle checkpoints?
  28. Cyclins
  29. Cyclin dependent kinases
  30. p53
  31. BPDE