Bio 1720 Exam3

Bio 1720 Exam3 - Name:_ Signature:_ BIOL 1720 Summer 2000...

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Name:________________________________ SS#:_________________________ Signature:_____________________________ BIOL 1720 Summer 2000 Exam III 1. The hormones of the endocrine system are transmitted to the target organ(s) by way of: a. the blood stream. b. the lymph. c. axonal flow. d. the sarcoplasmic reticulum. e. the autonomic nervous system. 2. Receptors which sense stimuli arriving from the external environment are called: a. baroreceptors. b. interoceptors. c. exteroceptors. d. second messengers. e. compound receptors. 3. The group of hormones derived from cholesterol are the: a. second messengers. b. polypeptide hormones. c. peptide hormones. d. prostaglandins. e. steroid hormones. 4. Macrophage are derived from: a. eosinophils. b. neutrophils. c. B cells. d. T cells. e. monocytes. 5. An example of a hormone or type of hormone which binds to a receptor in the target cell’s plasma membrane is/are: a. polypeptide hormones such as insulin. b. steroid hormones. c. thyroid hormone. d. cortisol. e. None of the above bind receptors in the plasma membrane. 6. The first type of antibody made by an antibody producing cells is always an: a. IgA. b. IgD. c. IgE. d. IgG. e. IgM.
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7. An example of a hormone or type of hormone which binds to a receptor in the target cell’s cytoplasm and which then is transported to the nucleus is/are: a. polypeptide hormones such as insulin. b. steroid hormones. c. thyroid hormone. d. glycoprotein hormones. e. norepinephrine. 8. A mature animals’s immune system normally does not respond to that animal’s own tissues. This is known as: a. immunological tolerance. b. autoimmunity. c. clonal selection. d. clonal expansion. e. somatic rearrangement. 9. Color vision requires the use of: a. opsin b. rods c. rhodopsin d. cones e. All of the above are correct answers. 10. Inositol trisphosphate (IP3) is part of a second messenger that does not include: a. a receptor in the plasma membrane. b. calmodulin/calcium. c. G protein(s). d. adenylate cyclase e. All of the above answers are correct. 11. The sympathetic division of the autonomic nervous system acts to decrease secretions of the stomach. The parasympathetic division acts to: a. speed up heart rate. b. dilate bronchioles. c. retain colon contents. d. increase stomach secretion. e. delay bladder emptying. 12. The hormone which stimulates water retention by the kidneys: a. vasopressin/antidiuretic hormone. b. oxytocin. c. parathyroid hormone. d. adrenocorticotropic hormone. e. thyroid hormone. 13. The pH of the skin’s surface is generally: a. acidic. b. neutral. c. basic. d. alkaloid.
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14. Humans may have over 1000 different: a. taste receptors. b. baroreceptors. c.
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This note was uploaded on 04/15/2011 for the course BIOL 1720 taught by Professor Jagadeeswaran during the Spring '08 term at North Texas.

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Bio 1720 Exam3 - Name:_ Signature:_ BIOL 1720 Summer 2000...

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