FINAL_05ans

FINAL_05ans - Multiple choice: Choose the best answer. A....

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Unformatted text preview: Multiple choice: Choose the best answer. A. cGMP-gated cation channel B. cAMP-gated cation channel C. acetylcholine-gated cation channel D. GABA-gated chloride channel E. voltage-gated calcium channel 1. ____a_____ Controls the membrane potential of cone photoreceptor neurons 2. _____e____ Links the action potential to neurotransmitter release 3. _____d____ Opening them causes inhibitory postsynaptic potentials (IPSPs) 4. _____a____ Is the target of a signaling pathway involving phosphodiesterase 5. _____c____ Responsible for most excitatory postsynaptic potentials (EPSPs) in skeletal neuromuscular junctions 6. _____e____ Found in all neurons 7. _____b____ Is the target of a signaling pathway involving Golf 8. _____c____ Nicotine activates these channels 9. _____b____ Are responsible for olfactory receptor potentials 10. ____d_____ A drug that blocked this channel would not inhibit neurotransmitter release from affected neurons Choose the best answer A. Epinephrine B. Melatonin C. Insulin D. Oxytocin E. Chorionic gonadotropin 11. ____b_____ Is derived from tryptophan 12. ____a_____ Is derived from tyrosine 13. ____c_____ Regulates glucose levels in the blood 14. ____d_____ Stimulates lactation 15. ____d_____ Can induce contraction of uterine smooth muscles 16. ____e____ Regulates hormome release from the anterior pituitary 17. ____b_____ Regulates circadian (24 hour) rhythms 18. ____b_____ Is released from the pineal gland 19. ____a_____ Is released from the adrenal gland 20. ____e_____ A pregnancy test might measure this hormone 21. Which of the following is the first to form in the development of a mammalian embryo? A. Inner cell mass B. Mesoderm C. Placenta D. Amnion E. Neural tube 22. During a drought, which of the following hormones is released to control transpiration? A. Auxin B. Brassiosteroids C. Cytokinins D. Absicic Acid E. Epinephrine 23. Which of the following structures in plant development are haploid? A. Gametophyte B. Sporophyte C. Spore D. Zygote E. Both A and C 24. Which of the following is used by in plant cell membranes to generate an electrochemical gradient? A. Na+/K+ ATPase B. H+ pump C. voltage-gated K+ channels D. aquaporins E. Both A and B 25. In the human female reproductive cycle, a sudden increase in is required for . A. Progesterone, endometrial thickening. B. LH, the follicular phase C. LH, ovulation. D. Progesterone, ovulation. E. A and B 26. Which of the following cells contribute to innate immunity? A. B-cells B. Macrophages C. Plasma cells D. Helper T-cells E. None of the above. 27. When a ligand binds to an oflactory receptor, cAMP levels , causing the membrane to depolarize because of the opening of channels. A. decrease, cation B. decrease, anion C. increase, cation D. increase, anion E. decrease, onion 28. Put the following structures in order that ingested food would contact them, from first to last: I. Duodenum II. Colon III. Pyloric sphincter IV. Esophogeal sphincter A. III, IV, I, II B. IV, III, I, II C. I, IV, III, II D. IV, I, II, III E. None of the above 29. 29....
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FINAL_05ans - Multiple choice: Choose the best answer. A....

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