Essentials of Human Anatomy and Physiology (Custom)
15th Edition
ISBN: 9781269752862
Author: Marieb
Publisher: PEARSON
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Textbook Question
Chapter 9, Problem 2MC
More than one choice may apply.
From the following options, identify the characteristics of amino acid hormones.
a. They need a target cell receptor.
b. DNA is their target.
c. They work by using second messenger systems.
d. They can enter the target cells.
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Students have asked these similar questions
Which of the following statements about polypeptide hormones is false?a. They bind to receptors located on the cell membrane.b. Most of them are lipophilic.c. They are the most abundant class of hormones.d. They normally activate second messengers.e. They bind noncovalently to receptors.
Which of the following is not a true statement?
A.) steroid and thyroid hormone signaling would be impaired if the plasma level of carrier proteins is not optimal.
B.) Steroid and thyroid hormone-receptor complexes form dimers when they bind to the hormone-response elements on DNA
C.) Epinephrine uses the adenylate cyclase and the phospholipase C second messenger systems
D.) signaling by a peptide hormone would be impaired if a second messenger system is not functional in the target cell
E.) signaling by a steroid hormone would be hindered if the adenylated cyclase second messenger system is not functional in the target cell.
Define the following terms:a. second messengerb. desensitizationc. target celld. insulin resistancee. adenylate cyclase
Chapter 9 Solutions
Essentials of Human Anatomy and Physiology (Custom)
Ch. 9 -
More than one choice may apply.
1. The major...Ch. 9 - More than one choice may apply. From the following...Ch. 9 - 3. Which of the following hormones is (are)...Ch. 9 - More than one choice may apply. Identify the...Ch. 9 - 5. Hormones that act directly or indirectly to...Ch. 9 - More than one choice may apply. Hypertension may...Ch. 9 - Hormones that regulate mineral (salt) levels...Ch. 9 - More than one choice may apply. Identify the...Ch. 9 - The element needed for thyroid gland function is...Ch. 9 - 10. Explain how the nervous and endocrine systems...
Ch. 9 - Prob. 11SAECh. 9 - Briefly describe how a steroid hormone affects...Ch. 9 - Explain what is meant by the terms humoral,...Ch. 9 - Prob. 14SAECh. 9 - Prob. 15SAECh. 9 - Prob. 16SAECh. 9 - 17. Name two endocrine-producing glands (or...Ch. 9 - Prob. 18SAECh. 9 - Which is the main mineralocorticoid hormone and...Ch. 9 - What is the role of alpha and beta cells in the...Ch. 9 - Prob. 21SAECh. 9 - What causes a simple goiter?Ch. 9 - Prob. 23SAECh. 9 - Prob. 24CAQCh. 9 - Prob. 25CAQCh. 9 - 26. Shannon, a 28-year-old, has been in the first...Ch. 9 - Prob. 27CAQCh. 9 - Prob. 28CAQCh. 9 - Melissa, age 40, comes to the clinic, troubled by...Ch. 9 - 30. Chelsea, a displaced person, is pregnant. She...Ch. 9 - 31. Ryan had symptoms of excessive secretion of...
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- The action of steroid hormones is different from that of peptide hormones becausea. peptide hormones must enter the cell to begin action, whereas steroid hormones must begin action on the external surface of the cell membrane.b. steroid hormones must enter the cell to begin action, whereas peptide hormones must begin action on the external surface of the cell membrane.c. peptide hormones produce a hormone receptor complex that works directly on the DNA, whereas steroid hormones cause the release of a secondary messenger that triggers enzymes.d. None of these answers is correct.arrow_forwardwhich of the following statements best characterizes the hormone-receptor interaction? a. receptors can have different affinities for multiple ligands b. each hormone will only interact with one type of receptor c. the hormone-receptor contact is generally irreversible d. most cells express receptors for all hormonearrow_forwardUnder in vivo conditions, chronic treatment with a noncompetitive antagonist may lead to the up-regulation of the targeted receptor over time. True False Cytokines are peptides that are generally made in advance by specific types of cells, stored in vesicles, and act as autocrine or paracrine factors. True False Thyroid hormone is stored in an extracellular compartment. True Falsearrow_forward
- Trace in a stepwise manner the signaling pathway that involves a g-protein receptor leading to the release of intracellular calcium. Specify what class of hormones would be involved in this pathway.arrow_forwardWhich one of the following best describes the characteristics of an autocrine hormone? Select one: a. Released into bloodstream b. Acts on neighboring cells c. Acts on same cells to amplify signals d. Acts on target cells far away from site of synthesis e. Diffuses across the synaptic junctionarrow_forwardWhich of the following is true about lipophilic hormones? a. They are freely soluble in the blood. b. They require a transport protein in the bloodstream. c. They cannot enter their target cells. d. They are rapidly deactivated after binding to their receptors.arrow_forward
- Which of the following are true of endocannabinoids? (Choose more than 1 answer) A. bind to cannibinoid receptors b. endogeneous c. lipid based d. neurotransmitters e. retrogradearrow_forwardWhich one of the following best describes the characteristics of an autocrine hormone? Select one: а. Acts on same cells to amplify signals b. Released into bloodstream С. Acts on target cells far away from site of synthesis d. Acts on neighboring cells e. Diffuses across the synaptic junctionarrow_forwardthe following is true for a peptide hormone? It... is able to pass through the cell membrane 2O can act directly in the nucleus to stimulate protein synthesis has a slower response time than a steroid hormone O utilizes a second messenger system.arrow_forward
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