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Transcript
NAME: Quiz: Endocrine DATE: Choose the best answer and write it on the blank. ___ 1. A similarity between the nervous system and the endocrine system in humans is that they both 1.) are composed of neurons 2.) maintain homeostasis 3.) are composed of glands 4.) secrete chemicals across synapses Use the diagram at the right and your knowledge of the living environment to answer questions 2 through 4. ___ 6. A physiologist removed the pancreas from several dogs in an experiment to investigate its function. He placed five normal dogs in one kennel and five dogs lacking a pancreas in another kennel. The physiologist observed that ants were attracted in large numbers to the kennel of the dogs lacking a pancreas. Because they lacked a pancreas, what substance did these dogs have that attracted the ants? 1.) enzymes in their saliva 2.) sugar in their urine 3.) mineral salts in their feces 4.) oil in their fur ___ 2. A hormone that increases the rate and strength of heart contractions during times of sudden stress is secreted by 1.) A 2.) E 3.) F 4.) D ___ 7. Which statement best describes the chemical substances secreted by endocrine glands? 1.) They are secreted in one place and most often act at another. 2.) They are found only in vertebrates. 3.) They are secreted into specialized ducts for transport. 4.) They are distributed by the nervous system. ___ 3. Hormones that regulate the menstrual cycle are secreted by 1.) A and D 2.) C and E 3.) B and F 4.) F and A ___ 8. Cells within this gland secrete a hormone that, in times of emergency, increases the glucose level of the blood and speeds up the actions of the circulatory and respiratory systems. 1.) hypothalamus 2.) testes 3.) adrenal 4.) pancreas ___ 4. A hormone which decreases blood sugar levels is produced by structure 1.) A 2.) B 3.) C 4.) D ___ 9. Groups of cells within this gland secrete hormones that maintain normal levels of simple and complex carbohydrates in the body. 1.) adrenal 2.) pancreas 3.) hypothalamus 4.) thyroid ___ 5. Which row in the chart contains the words that best complete this statement? ___ 10. Pituitary growth hormone can affect cells in various parts of the human body because the hormone is secreted directly into 1.) the digestive tract 2.) the bloodstream 3.) muscle tissue 4.) glandular ducts The I glands produce II , which are transported by the III system. 1.) A 2.) B 3.) C 4.) D ___ 11. A drastic change in the metabolic rate of a human would most likely result from the 1.) oversecretion of the salivary glands 2.) deterioration of the skeletal system 3.) overproduction of auxins 4.) malfunction of the endocrine glands Use the table at the right and your knowledge of the living environment to answer questions 12 through 14. Individual A and individual B drank an equal amount of glucose solution. Every half hour for the next 4 hours, the glucose level in their blood was measured. Normal glucose level is 80-100 mg/100dL. 17. The hormone _______________ stimulates the conversion of excess sugar in the blood to glycogen which is animal starch in the liver and assists in taking glucose into the cells. This hormone is produced in the pancreas. 18. The major secretions of the endocrine glands are called _______________. 19. The hormone _______________ helps to stimulate the development of secondary sex characteristics in the male. 20. The condition _______________ results usually from an inability to regulate blood glucose levels properly. (Usually the blood glucose tend to become too high.) 21. _______________ are all the ductless glands. ___ 12. The information in the table indicates that individual B has a condition that is most likely due to the malfunction of 1.) testes 2.) ovaries 3.) thyroids 4.) pancreas Free-Response Section 22. List two pancreatic hormones. [2] ___ 13. The information in the table indicates that individual A produces enough 1.) FSH 2.) growth hormone 3.) insulin 4.) testosterone ___ 14. Based on the trends in the chart, what is the most likely blood sugar level of individual B after 4.5 hours? (units are mg/100 dL) 1.) 150 2.) 130 3.) 100 4.) 180 Complete each of the following statements which follow. 15. The hormone _______________ helps to stimulate the development of female secondary sex characteristics. This hormone is produced by the ovaries in the female. 16. The hormone _______________ is called the "fight or flight" hormone. 23. List at least two physiological effects on the body caused by an increased secretion of adrenalin. [2] Answers: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 2 2 1 3 3 2 1 3 2 2 4 4 3 1 estrogen adrenaline insulin hormones testosterone diabetes endocrine insulin and glucagon increased heart rate and breathing rate