hormone MCAT - 42 Animal Hormones TEST FILE QUESTIONS Fill...

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42 Animal Hormones TEST FILE QUESTIONS Fill in the Blank 1. In an emergency, the adrenal glands produce _______ immediately and then _______ for prolonged response to stress. Answer: epinephrine; cortisol 2. _______ is a hormone that is produced from cholesterol in skin cells. Answer: Vitamin D 3. _______ mediates inflammation and is an example of a paracrine hormone. Answer: Histamine 4. Hormonal and other systems in which production is shut off when the product becomes abundant are known as _______ feedback systems. Answer: negative 5. _______ is a pituitary hormone that stimulates the production of milk. Answer: Prolactin 6. A lobed gland located around the front of the windpipe is called the _______. Answer: thyroid 7. Glands that lack ducts are called _______ glands. Answer: endocrine 8. Overproduction or underproduction of _______ in children can cause gigantism or dwarfism. Answer: growth hormone 9. Pituitary peptide hormones that affect other target glands are called _______ hormones. Answer: tropic 10. Local or circulating hormones are capable of acting on target cells only if target cells are equipped with response components termed _______. Answer: receptors 11. The hormone in Rhodnius that is produced by the corpora allata and prevents metamorphosis into an adult is called _______.
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Answer: juvenile hormone 12. The _______ is an important endocrine gland derived embryonically from an outpocketing of the mouth region of the digestive tract and a downgrowth of the floor of the brain. Answer: pituitary gland 13. The three classes of steroid hormones produced by the adrenal cortex are glucocorticoids, _______, and _______. Answer: mineralocorticoids; sex steroids 14. Protein hormones do not cross the cell membrane, but _______ hormones do. Answer: steroid 15. When a hormone’s receptor is on the secreting cell, it is said to have an _______ function. Answer: autocrine 16. When people fail to get adequate amounts of iodine in their diet, they may develop goiter. The hormone that is nonfunctional is called _______. Answer: thyroxine 17. If the circulating levels of calcium are high, _______ stimulates the osteoblasts to resorb it. Answer: calcitonin 18. The steroid hormones are synthesized from _______. Answer: cholesterol Multiple Choice 1. Which of the following is a local hormone? a. Adrenaline b. Estrogen c. Histamine d. Insulin e. Thyroxine Answer: c 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. Answer: d
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3. Which of Wigglesworth’s observations of Rhodnius bugs helped describe the role of insect hormones?
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This note was uploaded on 11/29/2011 for the course BIOLOGY BIO 187 taught by Professor Capco during the Spring '11 term at ASU.

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hormone MCAT - 42 Animal Hormones TEST FILE QUESTIONS Fill...

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