1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 51, Problem 3IQ
Why do you think the brain is affected when the testes are surgically removed (termed castration)?
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A 23-year-old man comes to the physician because of difficulty maintaining an erection. He was involved in an automobile collision that damaged his thoracic spinal cord, affecting motor and sensory function of the lower trunk and extremities. He is only able to obtain an erection through manual stimulation of his penis by his wife, and the erection does not last a long time. The best explanation for this type of erection is an intact spinal reflex arc between the pudendal nerves and which of the following?
a. Genitofemoral nerves
b. Ilioinguinal nerves
c. Lumbosacral trunks
d. Obturator nerves
e. Pelvic sympathetic nerves
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Chapter 51 Solutions
1 SEM ACC W/RAVEN CARDED
Ch. 51.1 - Prob. 1LOCh. 51.1 - Prob. 2LOCh. 51.1 - Prob. 3LOCh. 51.2 - Prob. 1LOCh. 51.2 - Prob. 2LOCh. 51.3 - Prob. 1LOCh. 51.3 - Prob. 2LOCh. 51.3 - Prob. 3LOCh. 51.4 - Prob. 1LOCh. 51.4 - Explain ovulation and the female reproductive...
Ch. 51.4 - Prob. 3LOCh. 51.5 - Prob. 1LOCh. 51.5 - Describe causes of infertility.Ch. 51 - Prob. 1DACh. 51 - Why might it be adaptive for an individual to be...Ch. 51 - Prob. 2IQCh. 51 - Why do you think the brain is affected when the...Ch. 51 - You have discovered a new organism living in tide...Ch. 51 - Prob. 2UCh. 51 - Prob. 3UCh. 51 - Which of the following structures is the site of...Ch. 51 - FSH and LH are produced by the a. ovaries. b....Ch. 51 - Prob. 6UCh. 51 - Mutations that affect proteins in the acrosome...Ch. 51 - In humans, fertilization occurs in the____, and...Ch. 51 - The testicles of male mammals are suspended in the...Ch. 51 - Prob. 1ACh. 51 - Which of the following is a major difference...Ch. 51 - Prob. 3ACh. 51 - Internal and external fertilization differ in that...Ch. 51 - Prob. 1SCh. 51 - Why do you think that amphibians and many fish...Ch. 51 - How are the functions of FSH and LH similar in...Ch. 51 - Prob. 4SCh. 51 - Why are all parthenogenic parents female?
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- In 2008, two women in New South Wales complained to police that they had suffered considerable distress and concern when they were having lower back x-rays because they had been required to completely undress and to lie in a position that meant their genitals were exposed to the radiographer. Although there was absolutely no clinical justification for this, the women, who were fully competent, had followed the instructions without protest. Does this mean that there was implied consent? Was it therefore acceptable?arrow_forwardWhat do you mean by erection and ejaculation?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). Research treatment options for reduced sperm movement. Describe one option that can be used to aid successful fertilization and explain why it helps.arrow_forward
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- Why do women go through menopause?arrow_forwardAlthough the most effective form of an oral contraceptive for woman contain estrogen and progestin, some birth control pills contain a small dose of progestin-only. This is because there are many risks and side effects. Which of the following statements is NOT a reason for using a progestin-only oral contraceptive? Select one: A. progesterone maintains the corpus luteum as corpus luteum release a large amount of progesterone and estrogen. B. progesterone suppresses the maturation of follicles, thereby preventing ovulation of a mature ovum. C. progestin-only oral contraceptives prevent the production of FSH and LH in the anterior pituitary. D. progesterone suppresses the production of GnRH in the hypothalamus.arrow_forwardA school nurse is providing sex education classes for ado- lescents. Which statement by the nurse accurately describes normal sexual functioning? a. "Each person is born with a certain amount of sexual drive, which can be depleted in later years." b. "If you want to be a great athlete, sexual abstinence is necessary when you are training." "If you have a nocturnal emission (wet dream) it is an indicator of a sexual disorder." d. "It is natural for a woman to have as strong a desire for sex and enjoy it as much as a man."arrow_forward
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