Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Chapter 11, Problem 33RA
Summary Introduction
To review:
1. The effect of HCG (human chorionic gonadotropin) on a rat’s testes.
2. The potential significance of this effect in research as well as clinical settings.
Introduction:
HCG is a protein hormone that is produced in a significant amount in pregnancy during early period. It shows biological similarity with the luteinizing hormone (LH). Its primary function is to enable the functioning of corpus luteum, that produces estrogen and progesterone.
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Students have asked these similar questions
What is the difference between in vitro fertilization (IVF)and artificial insemination?
Select one:
a. IVF involves fertilization outside the body, whereas artificial insemination involves internal fertilization.
b. During IVF, gametes are introduced into the womb, whereas during artificial insemination, a blastocyst is implanted on the uterus.
c. IVF includes giving the woman additional FSH and LH to induce superovulation, whereas artificial insemination involves a woman undergoing any hormonal treatment.
d. Artificial insemination can be used during a surrogacy, whereas IVF cannot.
When investigating fertility concerns, a common course of action is to rule out sperm cell-related causes of infertility first since obtaining the relevant specimens is generally less invasive. Vitality is another commonly assessed parameter, particularly when motility is deemed poor since it allows physicians to differentiate between live and dead sperm cells.
Describe what you would expect to observe (after using the microscope) in the case of a live sperm cell and why? How can you distinguish it from a dead sperm cell in the same sample?
All of the following are true statements except:
Group of answer choices
a. there are at least 16 different prostaglandins.
b. the first prostaglandin was identified in semen.
c. aspirin produces some of its effects by increasing PGE synthesis.
d. PGFs have been used to induce labor and accelerate the delivery of a baby.
Chapter 11 Solutions
Human Physiology
Ch. 11 - Compare the four chemical classes of hormones with...Ch. 11 - Define prohormone and prehormone, and give...Ch. 11 - Prob. 1cCPCh. 11 - Prob. 2aCPCh. 11 - Prob. 2bCPCh. 11 - Prob. 3CPCh. 11 - Prob. 4aCPCh. 11 - Describe the sequence of events by which a hormone...Ch. 11 - Prob. 4cCPCh. 11 - Prob. 5aCP
Ch. 11 - Prob. 5bCPCh. 11 - List the hormones secreted by the anterior...Ch. 11 - Prob. 7CPCh. 11 - Prob. 8aCPCh. 11 - Prob. 8bCPCh. 11 - Prob. 9aCPCh. 11 - Prob. 9bCPCh. 11 - Describe the structure of the thyroid gland and...Ch. 11 - Describe how thyroid hormones are produced and how...Ch. 11 - Prob. 10cCPCh. 11 - Describe the location of the parathyroid glands...Ch. 11 - Prob. 12aCPCh. 11 - Describe how insulin and glucagon secretion are...Ch. 11 - Prob. 13CPCh. 11 - Prob. 14CPCh. 11 - Explain the nature of autocrine regulation. How...Ch. 11 - List some of the paracrine regulators produced by...Ch. 11 - Prob. 16aCPCh. 11 - Prob. 16bCPCh. 11 - Prob. 1RACh. 11 - Prob. 2RACh. 11 - Which of these statements about the adrenal cortex...Ch. 11 - Which of these statements about the hormone...Ch. 11 - Prob. 5RACh. 11 - Prob. 6RACh. 11 - Prob. 7RACh. 11 - Prob. 8RACh. 11 - Steroid hormones arc secreted by...Ch. 11 - Prob. 10RACh. 11 - Prob. 11RACh. 11 - Prob. 12RACh. 11 - Prob. 13RACh. 11 - Which of these hormones may have a primary role in...Ch. 11 - Prob. 15RACh. 11 - What do insulin-like growth factors,...Ch. 11 - Prob. 17RACh. 11 - Prob. 18RACh. 11 - Prob. 19RACh. 11 - Describe the sequence of events by which a hormone...Ch. 11 - Prob. 21RACh. 11 - Prob. 22RACh. 11 - Prob. 23RACh. 11 - Prob. 24RACh. 11 - Describe how thyroid hormone secretion is...Ch. 11 - Prob. 26RACh. 11 - Prob. 27RACh. 11 - Prob. 28RACh. 11 - Prob. 29RACh. 11 - Prob. 30RACh. 11 - Prob. 31RACh. 11 - Prob. 32RACh. 11 - Prob. 33RACh. 11 - Distinguish between the genomic and nongenomic...Ch. 11 - Prob. 35RACh. 11 - Diabetics who require insulin injections can...Ch. 11 - Prob. 37RACh. 11 - Prob. 38RACh. 11 - Prob. 39RACh. 11 - Prob. 40RA
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- hormonal birth control in humans is very effective, and is also reversible. Briefly explain how it works in human females, including specific cells, structures and hormones involved.arrow_forwardUse the following information to answer the next question. Have you ever watch an old movie or television show where the expression "the rabbit died" meant that a woman was pregnant? The "rabbit test" was developed 1931. The test involved injecting urine of the woman being tested into a female rabbit and then examining the rabbit's ovaries a few days later. A hormone in the urine of a pregnant woman would cause follicles in the rabbit's ovaries to mature and release the ovum. The injected rabbit had to be surgically opened to examine the ovaries for the structure remaining after ovulation and would die whether the woman was pregnant or not. Today's pregnancy tests do not require the killing of an animal, and results are determined in a matter of minutes rather than days. However, the same hormone involves in both tests. Identify the row that depicts the hormones present in the urine of a pregnant woman, the female reproductive hormone that it mimics in early pregnancy, and the…arrow_forwardMumps is a viral infection. The primary symptom of mumps is visible swelling of the parotid gland on either side of the face. However, the virus can also infiltrate the male reproductive system, causing the testes to atrophy. Some effects include oligospermia (low sperm count), azoospermia (no sperm in semen), and asthenospermia (reduced sperm movement). Explain why each of the following effects of this virus reduces the efficacy of the male reproductive system to fertilize an ovum. No sperm in semen Low sperm count Reduced sperm movement Effect How it reduces the efficacy of the male reproductive system to fertilize an ovum No sperm in semen 2. Low sperm count 3. Reduced sperm movementarrow_forward
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