BIOLOGY: CONCEPTS AND INVESTIGATIONS
4th Edition
ISBN: 9781260536706
Author: Hoefnagels
Publisher: MCG
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Textbook Question
Chapter 28, Problem 7MCQ
To increase male fertility, it would be logical to develop a drug that boosts hormone synthesis at any of the following structures except the
- a. hypothalamus.
- b. thyroid.
- c. anterior pituitary.
- d. testes.
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Testosterone is mainly produced by the:
a. ovaries.
b. anterior pituitary.
c. posterior pituitary.
d. testes.
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.
What 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 production
Chapter 28 Solutions
BIOLOGY: CONCEPTS AND INVESTIGATIONS
Ch. 28.1 - Prob. 1MCCh. 28.1 - Prob. 2MCCh. 28.1 - Prob. 3MCCh. 28.1 - Prob. 4MCCh. 28.1 - Prob. 5MCCh. 28.2 - Prob. 1MCCh. 28.2 - Describe the locations of the receptors that bind...Ch. 28.2 - Prob. 3MCCh. 28.2 - Prob. 4MCCh. 28.3 - Prob. 1MC
Ch. 28.3 - Prob. 2MCCh. 28.4 - Prob. 1MCCh. 28.4 - Prob. 2MCCh. 28.4 - Prob. 3MCCh. 28.4 - Prob. 4MCCh. 28.4 - Prob. 5MCCh. 28.5 - Prob. 1MCCh. 28.5 - Prob. 2MCCh. 28.6 - Prob. 1MCCh. 28.6 - Prob. 2MCCh. 28 - The effect of a water-soluble peptide hormone such...Ch. 28 - Prob. 2MCQCh. 28 - Prob. 3MCQCh. 28 - Prob. 4MCQCh. 28 - Prob. 5MCQCh. 28 - Prob. 6MCQCh. 28 - To increase male fertility, it would be logical to...Ch. 28 - How does the endocrine system interact with the...Ch. 28 - Prob. 2WIOCh. 28 - Prob. 3WIOCh. 28 - Sketch the mechanisms of water-soluble and...Ch. 28 - Give two examples of hormones counteracting the...Ch. 28 - Alcohol and caffeine inhibit the effects of...Ch. 28 - Prob. 7WIOCh. 28 - Prob. 8WIOCh. 28 - Prob. 9WIOCh. 28 - How might insulin-producing stem cells...Ch. 28 - Prob. 11WIOCh. 28 - Prob. 12WIOCh. 28 - Prob. 1PITCh. 28 - Connect each hormone discussed in this chapter to...Ch. 28 - Prob. 3PIT
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- Match each hormone with its effect. oxytocin a. growth of facial hair testosterone b. uterus contracts LH c. LH, FSH are released GnRH d. surge causes ovulation FSH e. follicle develops HCG f. milk is produced prolactin g. corpus luteum is maintainedarrow_forwardWhich endocrine glands are associated with the kidneys? a. thyroid glands b. pituitary glands c. adrenal glands d. gonadsarrow_forwardThe period between consecutive luteinizing hormone peaks most directly determines which of the following? A. the length of time between pregnancies B. the length of time between periods of fertility C. the length of time during which a fetus develops D. the length of time during which a female is fertilearrow_forward
- Which of the following statements correctly describes the effects of increased testosterone? a. Increased levels of testosterone result in increased sperm production b. Increased levels of testosterone decreases the release of FSH and LH c. Increased levels of testosterone stimulates the release of GnRH d. Increased levels of testosterone stimulates the release of FSH and LH.arrow_forwardWhat 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 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
- Which of the following would most likely reduce levels of active estrogen to potentially modulate cancer risk? a) Increased alcohol consumption b) Increased dietary folate c) Decreased levels of sex-hormone-binding globulin d) Increased phytoestrogen intakesarrow_forwardWhich of the following is correct pairing of concepts? * A. Male sex hormones: androgens B. Pregnancy hormones: progestins C. Female sex hormone: estrogen D. After menopause hormones: estriolarrow_forwardDuring adolescence, the events that interact to promote increased hormone production and sexual maturation result from activity of the (a) hypothalamus. (b) anterior lobe of the pituitary gland. (c) ovaries and testicular cells. (d) a, b, and c are correct.arrow_forward
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