Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 50, Problem 10TY
Summary Introduction
Introduction: The prevalence of endocrine disruptors in lakes, streams and ocean water is a serious and disturbing phenomenon. These endocrine disruptors also observed in almost all plastic products. These endocrine disruptors can also hamper the fertility of an individual.
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Which of the following statements comparing the endocrine system and the nervous system is false? a. The endocrine system can reach almost all living cells. b. The endocrine system and the nervous system never interact with each other. c. Nervous system control is faster than endocrine control. d. Both systems can be considered as systems of communication.
Which of the following is a property common between endocrine hormones, paracrine hormones, and pheromones?
A. They all operate internally within an organism to stimulate different cellular responses.
B. They are all secreted by dedicated glands within the endocrine system.
C. They are all water-soluble hormones
D. Both A and B
E. None of the above
Specific hormone binding proteins:
a. Can only bind to steroid hormones
b. Facilitate fluctuations in hormone concentration
c. Extend half life of hormones in circulation
d. All of the above
Chapter 50 Solutions
Biology
Ch. 50.2 - Prob. 1CSCh. 50.3 - Prob. 1CSCh. 50.3 - Prob. 1EQCh. 50.3 - Prob. 2EQCh. 50.3 - Prob. 3EQCh. 50.4 - Prob. 1CCCh. 50.4 - Prob. 1CSCh. 50.4 - Prob. 2CCCh. 50.5 - Prob. 1CCCh. 50.5 - Prob. 2CC
Ch. 50 - Which is the defining feature of hormones? a. They...Ch. 50 - Steroid hormones are synthesized from ______blank...Ch. 50 - Prob. 3TYCh. 50 - Prob. 4TYCh. 50 - Prob. 5TYCh. 50 - Prob. 6TYCh. 50 - Which of the following pairs of hormones are...Ch. 50 - In invertebrates, molting of larvae is stimulated...Ch. 50 - Which of the following is true of the adrenal...Ch. 50 - Prob. 10TYCh. 50 - Prob. 1CQCh. 50 - Distinguish between type 1 and type 2 diabetes...Ch. 50 - Core Concept: Systems Organ systems often exert...Ch. 50 - Discuss the roles of hormones in growth and...Ch. 50 - Prob. 2COQ
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- Regarding the endocrine system, which of the following statements is FALSE? A. Hormone secreted during times of high motion tend to interfere with memory formation B. The emotional issues of adolescents are due in part to elevated levels of hormones C. A chemical level, hormones are similar to neurotransmitters D. Androgens (“male hormones”) are related to the sex drive in both males and females.arrow_forwardThe release of hormones from endocrine glands is most often controlled by Select one: A. ectopic tumors. B. the amount of food intake. C. negative feedback mechanisms. D. drug treatments. E. positive feedback mechanisms.arrow_forwardDefine the following terms: a. TSH b. T3 c. T4 d. endocrine system e. SUAarrow_forward
- The figure at right presents a schematic of an endocrine pathway that regulates testosterone production. The arrows and the cylinder indicate transport of a chemical messenger in the circulatory system. In this pathway, luteinizing hormone... A. Is a tropic neurohormone B. Regulates the synthesis of a peptide hormone C. Is released in response to a tropic neurohormone D. Is synthesized on demand E. None of the above Gonadotropin releasing hormone Hypothalamic neuron Luteinizing hormone testosterone Anterior pituitary cell Steroidogenic cell Target tissue cellarrow_forwardWhich of the following statements about steroid and non-steroid hormones is false?a. Non-steroid hormones typically act through second messengers such as cAMP.b. Non-steroid hormones are not lipid soluble and cannot enter the target cell.c. Steroid hormones act usually slower than non-steroid hormones.d. Cortisol and aldosterone are non-steroid hormones that are produced by the cortex of the adrenal glandarrow_forwardWhich of the following statements about hormones is not correct? A. The persistance of a hormone in the blood is usually of short duration.B. The time required for the onset of hormonal effects can vary C. Organ responses to hormones occur as soon as receptors are bound. D. The duration of hormone action is variable.arrow_forward
- Which of the following is an important function of the endocrine system? a. Provides mechanisms for rapid response to changes in the body b. Provides mechanisms that control the nervous system c. It inhibits nervous system action on muscles and glands d. It maintains a contant yet dynamic internal fluid environmentarrow_forwardWhich of the following would be better handled with an endocrine system response (not a nervous system response) and why: A. Assessing a noise in your environment (such as the hum of an air conditioner), and adapting to it (so you no longer unnecessarily pay attention to something unimportant). B. Stimulating the gradual development (it takes days!) of follicles in the ovary, because hormonal signals have a more extended duration than a nervous system signal. C. Both choice A and choice B D. Neither A nor B.arrow_forwardEndocrine glands can be controlled by: A. Changes in the composition of extracellular fluid B. All of the answers are correct C. Releasing hormones from the hypothalamus D. Hormones from other endocrine glands E. Direct neural stimulationarrow_forward
- Functions of hormones include which of the following? a. control rates of certain chemical reactions b. transport substances across cell membranes c. help regulate water and electrolyte balances d. all of the abovearrow_forwardThe endocrine system consists of glands that: a. release chemicals into ducts b. release chemicals into the blood c. release chemicals into body cavities d. all of the abovearrow_forwardMatch the endocrine control concepts.arrow_forward
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