BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Question
Chapter 25, Problem 7MCQ
Summary Introduction
Introduction:
Male fertility is due to the presence of the gonadotropin-releasing hormone. This hormone stimulates the anterior pituitary to release several hormones that play a crucial role in the fertility of the males.
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Testosterone is mainly produced by the:
a. ovaries.
b. anterior pituitary.
c. posterior pituitary.
d. testes.
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
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.
Chapter 25 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 25.1 - Prob. 1MCCh. 25.1 - Prob. 2MCCh. 25.1 - Prob. 3MCCh. 25.2 - Prob. 1MCCh. 25.2 - Prob. 2MCCh. 25.2 - Describe the location of the receptors that bind...Ch. 25.3 - Prob. 1MCCh. 25.3 - Prob. 2MCCh. 25.4 - Prob. 1MCCh. 25.4 - Prob. 2MC
Ch. 25.4 - Compare the hormones of the adrenal cortex and...Ch. 25.4 - Prob. 4MCCh. 25.4 - Prob. 5MCCh. 25.5 - Prob. 1MCCh. 25.5 - What are the functions of estrogen, progesterone,...Ch. 25 - Prob. 1MCQCh. 25 - Prob. 2MCQCh. 25 - Prob. 3MCQCh. 25 - Prob. 4MCQCh. 25 - Prob. 5MCQCh. 25 - Prob. 6MCQCh. 25 - Prob. 7MCQCh. 25 - Prob. 1WIOCh. 25 - Prob. 2WIOCh. 25 - Prob. 3WIOCh. 25 - Prob. 4WIOCh. 25 - Prob. 5WIOCh. 25 - Prob. 6WIOCh. 25 - Prob. 7WIOCh. 25 - Prob. 8WIOCh. 25 - Prob. 9WIOCh. 25 - Prob. 10WIOCh. 25 - Prob. 1SLCh. 25 - Review Why We Care 25.1, which explains how...Ch. 25 - Prob. 1PITCh. 25 - Prob. 2PITCh. 25 - Label the endocrine glands that are primarily...
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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_forwardHormones are secreted directly into the bloodstream by the endocrine glands. ___________ ____________ ___________ __________arrow_forward
- Which hormones produced in the posterior and anterior lobes of the pituitary gland have the targets indicated? Below, fill in the blanks using the abbreviations noted in Section 15.3.arrow_forwardA physician sees a patient whose symptoms include sluggishness, depression, and intolerance to cold. After eliminating other possible causes, the doctor diagnoses a hormone problem. What disorder fits the symptoms? Why does the doctor suspect that the underlying cause is a malfunction of the anterior pituitary gland?arrow_forwardMost of the hormones produced by the anterior pituitary perform what function? a. regulate growth b. regulate the sleep cycle c. regulate production of other hormones d. regulate blood volume and blood pressurearrow_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_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
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