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Ch42Test_File-1 wihtout answers

Ch42Test_File-1 wihtout answers - 42 Animal Hormones...

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42 Animal Hormones Multiple Choice 1. Which of the following is a local hormone? a. Adrenaline b. Estrogen c. Histamine d. Insulin e. Thyroxine 2. The hormones of invertebrates a. are never secreted from glands in the head. b. are secreted only in adulthood. c. play no role in molting and metamorphosis. d. have different functions from those in vertebrates. e. require large quantities to have an effect. 3. Which of Wigglesworth’s observations of Rhodnius bugs helped describe the role of insect hormones? 4. Insect brain hormone serves to a. stimulate the prothoracic gland to release the hormone that stimulates molting. b. stimulate the corpora cardiaca to release molting hormone. c. directly stimulate molting if food reserves are adequate. d. inhibit molting until the insect is a certain size. e. have a general inhibitory effect on insect growth. 5. Which of the following hormones directly stimulates an insect larva to molt? 6. Juvenile hormone be used by humans as an effective control of insect populations because it causes
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7. The neurohormones vasopressin (antidiuretic hormone) and oxytocin are produced by the a. anterior pituitary and released by the posterior pituitary. b. hypothalamus and released by the posterior pituitary. c. pituitary and signal to the hypothalamus. d. hypothalamus and signal to the brain. e. pituitary and signal to the reproductive organs. 8. Which of the following is an effect of oxytocin? 9. Which of these pairs correctly matches a pituitary hormone with its target organ?
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