Nutrition
15th Edition
ISBN: 9781337906371
Author: Sizer, Frances Sienkiewicz., WHITNEY, Ellie
Publisher: Cengage Learning,
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Textbook Question
Chapter 3, Problem 5SC
Hormones
a. are rarely involved in disease processes.
b. are chemical messengers that travel from one system of cells to affect another.
c. are produced and remain inside single cells for intracellular communications.
d. are unaffected by nutrition status of the body.
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Unlike the nervous system, the endocrine systema. uses chemical signals as a means of communication.b. helps maintain equilibrium.c. sends messages to target organs.d. changes the metabolism of cells.
Which of the following best describes hormones?
a. Hormones are relatively unstable and work only in the area adjacent to the gland that produced them.
b. Hormones are long-lasting chemicals released from glands.
c. All hormones are lipid-soluble.
d. Hormones are chemical messengers that are released into the environment.
Which of the following is not an accuratestatement?(A) Hormones are chemical messengers that travelto target cells through the circulatory system.(B) Hormones often regulate homeostasisthrough antagonistic functions.(C) Hormones of the same chemical class usually have thesame function.(D) Hormones are often regulated through feedback loops
Chapter 3 Solutions
Nutrition
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- A cell secretes a product that diffuses through the interstitial fluid and acts on nearby cells. This process is an example of (a) neuroendocrine secretion (b) autocrine signaling (c) paracrine signaling (d) classical endocrine regulation (e) peptide hormone functionarrow_forwardWhat is the function of the hormone erythropoietin? a. stimulates production of red blood cells b. stimulates muscle growth c. causes the fight-or-flight response d. causes testosterone productionarrow_forwardwhich of the following happens when a therapeutic synthetic hormone is introduced into the body to treat the patients natural hormone insufficiently? (select all that apply? A. the target cells respond the same way as when the hormone is natural B.the synthetic hormone has no effort on the target tissues C the amount of natural hormone produced by patients body declines D the syntheyic hormone is destroyed before it can have an effect on the target tissue.arrow_forward
- Hormones secreted by endocrine glands are _________________. * A. passed through ducts B. circulated in the blood C. produced in large amounts D. cause damage to the bodyarrow_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_forwardFunctions 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_forward
- Endocrine glands ________. a. secrete hormones that travel through a duct to the target organs b. release neurotransmitters into the synaptic cleft c. secrete chemical messengers that travel in the bloodstream d. include sebaceous glands and sweat glandsarrow_forwardWhich of these assertions about hormones is not accurate? Which of these assertions about hormones is not accurate? A.)Hormones produced by the hypothalamus are considered neurohormones. B.) Cortisol is released in response to the release of ACTH from the pituitary. C.) Hormonal changes during puberty and pregnancy are forms of endocrine disruption. D.) Growth and metamorphosis are controlled by hormones.arrow_forwardUpon cutting your finger, the damaged skin releases chemicals that stimulate blood clotting so you don't bleed too much. These chemicals are most likely acting in which manner? A) Endocrine B) Paracrine C) Juxtacrine D) Autocrinearrow_forward
- which of the following happens when a therapeutic synthetic homone is introduced intno the body to treat patients natural hormone insufficiency?(select all that apply) A. The target cell responds the same way as when the hormone is natural B. the synthetic hormone has no effect on the target tissues C. the amount of natural hormone produced by the patients body declines D. the synthetic hormone is destroyed before it can have an effect on the target tissue.arrow_forwardEndocrine downregulation ... a) ... occurs in target cells that respond to hormones that are present in constant amounts in the blood. b) ... leads to the increased sensitivity of the target organ to the hormone. c) ... leads to a decrease in the number of receptors in the target cell. d)... occurs in part due to increased receptor synthesis in the target cell.arrow_forwardTransplant recipients need to take medications with immunosuppressive and anti-inflammatory properties. Which of the following hormones has been made into a drug and could be given to these patients? Select one: a. epinephrine b. aldosterone c. mineralocorticoids d. cortisolarrow_forward
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