BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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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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To increase male fertility, it would be logical to develop a drug thatboosts hormone synthesis at any of the following structures except thea. hypothalamus.b. thyroid.c. anterior pituitary.d. testes.
The term for cutting the infundibulum between the pituitary and hypothalamus is hypophysectomy. One week after undergoing this procedure, which of the following hormone levels would be above normal?
A.
Prolactin
B.
Follicle stimulating hormone
C.
Progesterone
D.
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E.
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Name six hormones secreted by the anterior lobe of the pituitary gland.
Name two hormones secreted by the posterior lobe of the pituitary gland.
Name the pituitary hormone responsible for the following actions:
a. stimulates ovarian follicle to secrete estrogen and egg development
b. causes kidneys to conserve water
c. stimulates cells to increase in size and divide more rapidly
d. essential for egg release from the ovary
e.stim ulates secretion from thyroid gland
f. causes contraction of uterine wall muscles
g. stimulates secretion from adrenal cortex
h. stimulates milk production
4. Name two thyroid hormones that affect metabolic rate.
5. Name a hormone secreted by the thyroid gland that acts to lower blood calcium.
6. Name a hormone that acts to raise blood calcium
7. Name three target organs of parathyroid hormone.
8. Name two hormones secreted by the adrenal medulla.
9. List five different effects produced by these medullary hormones.
10. Name the most important…
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 the hormones to the organ that makes them or to the action they cause. Use letters more than once. A. estrogen B. follicle stimulating hormone (FSH) C. human chorionic gonadotropin (HCG) D. luteinizing hormone (LH) E. progesterone F. testosterone v blastula v corpus luteum Leydig's cells A. A ovary v 1st hormone of pituitary gland to start cycle В. В С.С 2nd hormone of pituitary gland halfway through cycle D. D vendometrium grows more blood vessels Е. E v keeps corpus luteum v stimulates sperm production, muscle growth, aggression F. F v keeps endometrium in uterus ovulation (egg leaves ovary) v tells egg to developarrow_forwardChoose the statement that most accurately predicts the long-term effectof exposure to a substance that prevents the active transport of iodideby the thyroid gland.a. Large amounts of T3 and T4 accumulate within the thyroid follicles,but little is released.b. The person exhibits hypothyroidism.c. The anterior pituitary secretes smaller amounts of TSH.d. The circulating levels of T3 and T4 increase.arrow_forwardSertoli cells produce androgen binding protein. The purpose of this androgen binding protein is to : (select one) a. Transport testosterone to the developing germ cells b. Increase the clearance rate of testosterone c. Prevent the germs cells being exposed to toxic concentrations of testosterone d. Manufacture androgens e. Transport testosterone to the capillariesarrow_forward
- Which of the following statement is incorrect? A. Patients with congenital hypothyroidism is treated with hormone replacement B. Patients with by congenital adrenal hyperplasia fails to menstruate C. Patients with by congenital adrenal hyperplasia can be treated with surgery D. Patients with galactosemia has a mousy odor urinearrow_forwardIdentify the hormone if hypothalamic, anterior pituitary, posterior pituitary, or peripheral hormone: a. ADH b. Estrogen c. GHRH d. Somatotropin e. FSH f. Oxytocin g. Gonadotropins h. TRHarrow_forwardAll of the following conditions would benefit from hormone replacement therapy EXCEPT Select one: a. andropause b. breast cancer c. menopause d. osteoporosisarrow_forward
- The figure at right presents a schematic of an endocrine pathway that regulates testosterone production. The arrows and the cylinder indicate transport of a chemical messenger in the circulatory system. In this pathway, luteinizing hormone... A. Is a tropic neurohormone B. Regulates the synthesis of a peptide hormone C. Is released in response to a tropic neurohormone D. Is synthesized on demand E. None of the above Gonadotropin releasing hormone Hypothalamic neuron Luteinizing hormone testosterone Anterior pituitary cell Steroidogenic cell Target tissue cellarrow_forwardMany cells reduce testosterone to a steroid that has a higher affinity to the androgen receptor. What is the name of this steroid? a. Progesterone. b. Estradiol. c. Cortisol. d. 5 α-dihydrotestosterone.arrow_forwardAntidiuretic hormone (ADH) and oxytocin are Select one: a. produced in the hypothalamus and secreted by the posterior pituitary b. produced in the hypothalamus and secreted by the anterior pituitary c. produced in the anterior pituitary and secreted by the posterior pituitary d. produced in the anterior pituitary and secreted by the hypothalamusarrow_forward
- Follicle-stimulating hormone stimulates the production ofa. 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 of the following hormone is produced in the hypothalamus and is responsible for stimulating the pituitary gland to release gonadotropins? a. GnRH b. LH c. Estrogen d. FSH e. Progesteronearrow_forwardWhich 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_forward
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