Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 4TY
Which two hormones most directly regulate lactation?
a. estrogen and progesterone
b. estrogen and prolactin
c. progesterone and oxytocin
d. oxytocin and prolactin
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Chapter 13 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 13 -
1. Why do you think that endocrine disruptors...Ch. 13 - Prob. 2QCCh. 13 - List the functions of the six hormones secreted by...Ch. 13 - Prob. 2CRCh. 13 - Prob. 3CRCh. 13 -
4. Define when you would call a norepinephrine a...Ch. 13 - Explain why a 30-year-old short person cannot be...Ch. 13 - Describe the function of the two hormones from the...Ch. 13 - Prob. 7CRCh. 13 - Prob. 8CR
Ch. 13 - Prob. 9CRCh. 13 - Prob. 10CRCh. 13 - _________ hormones enter target cells and bind to...Ch. 13 - Prob. 2TYCh. 13 - Prob. 3TYCh. 13 - Which two hormones most directly regulate...Ch. 13 - All of the following represent hormone pairs with...Ch. 13 - Prob. 6TYCh. 13 - Prob. 7TYCh. 13 - Prob. 8TYCh. 13 - Prob. 9TYCh. 13 - Prob. 10TYCh. 13 - Prob. 11TYCh. 13 -
12. Which of the following statements about...Ch. 13 - Prob. 13TYCh. 13 - Prob. 14TYCh. 13 - Which of the following would be triggered by a...Ch. 13 - Prob. 1AWKCh. 13 - Explain why an injection of epinephrine to combat...Ch. 13 - From what you read in section 13.5 draw the...Ch. 13 - Prob. 4AWKCh. 13 - Prob. 5AWKCh. 13 - A student finishes up the fall semester with...
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- Which hormone is primarily responsible for the contractions during labor? a. oxytocin b. estrogen c. -HCG d. progesteronearrow_forwardWhich of the following is a product of the rate limiting step of steroid hormone synthesis? a. Estradiol b. Corticosterone c. Progesterone d. Pregnenolonearrow_forwardWhat hormone stimulates milk production in the lactating breast? Group of answer choices a.progesterone b.prolactin c.LH d.estrogenarrow_forward
- What would happen to male hormone levels if the hypothalamus producedgonadotropic releasing hormone (GnRH) continuously?A. Only luteinizing hormone (LH) and follicular stimulating hormone (FSH)levels would be high.B. Only testosterone levels would be high.C. Luteinizing hormone (LH), follicular stimulating hormone (FSH), andtestosterone levels would be high.D. Testosterone levels would be low.arrow_forwardIt is the hormone that releases progesterone a. estrogen b. luteinizing c. progesterone d. inhibinarrow_forwardThe following sketch represents the feedback loops that govern the production of sperm in the testis. Use the word bank provided to complete this sketch by labelling all important hormone-producing structures, target sites, hormones produced, and effects caused. 147 148 a. Inhibin inhibits anterior pituitary. b. Negative feedback inhibits hypothalamus. C. Hypothalamus secrets releasing hormones. d. Anterior pituitary secretes FSH and LH 155 e. Rising levels of testosterone in the blood. 1. Inhibin released by testis. 9. Sperm production 154 149 152 h. Testis secretes testosterone. i. Negative feedback į Male sexual differentiation Puberty Male physique Sex drive 156 153 150 151arrow_forward
- What would happen to male hormone levels if the hypothalamus producedgonadotropic releasing hormone (GnRH) continuously? A. Luteinizing hormone (LH), follicular stimulating hormone (FSH), andtestosterone levels would be high. B. Testosterone levels would be low C.Only luteinizing hormone (LH) and follicular stimulating hormone (FSH)levels would be high. D. Only testosterone levels would be high.arrow_forwardWhich of these secretions does not decrease with aging of the endocrine system?a. GH secretion c. thyroid hormone secretionb. melatonin secretion d. parathyroid hormone secretionarrow_forwardWhat is the purpose of androgen binding protein by Sertoli cells of the testes? a. Potentiates the actions of testosterone at target cells b. Prevents testosterone from diffusing out the testes c. Regulates level of testosterone via negative feedback control at the level of the anterior pituitary d. To stimulate testosterone productionarrow_forward
- 1. Follicle-stimulating hormone stimulates the production of?a. steroids in the adrenal cortex.b. gametes (sperm and oocytes) in males and females.c. hormones in parafollicular cells of the thyroid gland.d. melanin in melanocytes.arrow_forwardWhich hypothalamic hormone contributes to the regulation of the male reproductive system? a. luteinizing hormone b. gonadotropin-releasing hormone c. follicle-stimulating hormone d. androgensarrow_forwardWhich of the following are functions of luteinizing hormone? A. stimulation of production of estrogen B. thinning of the follicle membrane C. stimulation of follicle development D. formation and maintenance of corpus luteumarrow_forward
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