Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Chapter 28, Problem 2CT
The virus that causes rubella, or "German measles," has been recognized for decades as a powerful teratogen (agent that causes malformation of an embryo). During which trimester of pregnancy would it be most dangerous for pregnant women to be exposed to this pathogen? Why?
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10a) A female is exposed to a teratogen during the first and second month of pregnancy - before she even realizes she is pregnant. Which of the following birth defects might you expect to occur as a result?
Defects of the eyes and ears
Misformed or missing arms and/or legs
Heart defects
All of the above could possibly occur
b) A female is exposed to a teratogen late in pregnancy, from the fourth month until birth. Which of the following birth defects might you expect to occur as a result? (Choose all that apply!)
Heart defects
Defects of the reproductive system
Deformed or missing arms and/or legs
Defects of the eyes and/or ears
Learning disability
Mumps 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).
Describe how intrauterine insemination can be used to aid successful fertilization and explain why it helps. Make sure that the treatment process AND how the process helps to improve fertility are clearly explained.
Sally gives birth to a baby with a congenital deformity of the stomach. She believes that it is the result of a viral infection she suffered during the third trimester of pregnancy. Is this a possibility? Explain.
Chapter 28 Solutions
Human Anatomy (9th Edition)
Ch. 28 - Match each numbered item with the most closely...Ch. 28 - Prob. 2RFTCh. 28 - Prob. 3RFTCh. 28 - Prob. 4RFTCh. 28 - Prob. 5RFTCh. 28 - Prob. 6RFTCh. 28 - Prob. 7RFTCh. 28 - Prob. 8RFTCh. 28 - Match each numbered item with the most closely...Ch. 28 - Prob. 10RFT
Ch. 28 - Identify the two extra-embryonic membranes and the...Ch. 28 - Prob. 12RFTCh. 28 - Prob. 13RFTCh. 28 - Prob. 14RFTCh. 28 - 15. A blastocyst is a(n)
(a) extra-embryonic...Ch. 28 - During the second trimester, the most significant...Ch. 28 - Prob. 17RFTCh. 28 - Prob. 18RFTCh. 28 - The extra-embryonic membrane that forms the...Ch. 28 - During implantation, the (a) syncytiotrophoblast...Ch. 28 - 1. What would be the fate of an embryo if the...Ch. 28 - Prob. 2RCCh. 28 - 3. The stage of development that follows cleavage...Ch. 28 - Prob. 4RCCh. 28 - Prob. 5RCCh. 28 - Describe the effects of human chorionic...Ch. 28 - 7. What occurs during amphimixis?
Ch. 28 - Prob. 8RCCh. 28 - Prob. 9RCCh. 28 - Prob. 10RCCh. 28 - 1. Joe and Jane desperately want to have children,...Ch. 28 - 2. The virus that causes rubella, or "German...
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- construction worker most of his life, and has been frequently in in contact with asbestos. What is the influential factor of development in this case? a) Culture by Environment c) Heredity d) None of the above 71- Which one is not a teratogen agent in pregnancy? a) Caffeine b) Tobacco c) Outside environmental Hazard d) Driving 72- What happens during the third stage of childbirth? a) Extraction of the placenta b) Contractions of the Uterus ) Extraction of the baby d) Dilation of the cervix 73- A 2 days old baby is brought to the emergency by his parents because a yellow coloration of his skin has been noticed. They ask the nurse if their baby has a serious disease. Which one is true among these answers? a) Very few babies have been concerned by this disease b) Maybe the baby has an infection c) The baby must not drink yellow fluid d) Most of the babies do not need treatment e) None of the answersarrow_forwardPregnant women usually experience these, except: A) drugs can pass from mother to fetus B) increase metabolism of drugs C) increase in absorption of drugs D) increase rate of urinary excretion of drugsarrow_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
- Mumps 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 movementarrow_forwarda) Describe the process of neuralation. b) Identify the germ layer from which the nervous system forms. c) Describe when in development neuralation occurs. d) Identify a teratogen that could affect the development of the brain during this stage of pregnancy.arrow_forwardWhy would a drug be given an "X" pregnancy category? A) adverse effects shown in animals, but the benefits of therapy may outweigh the risks B) adverse effects shown in animals and there are not adequate studies in pregnant women C) Well controlled studies in pregnant women have shown risk to fetus D) Well controlled studies in women have failed to demonstrate risk to fetusarrow_forward
- e) None of the answers 31- Which stage of prenatal development goes from the second to the gth week of gestation: a) Germinal (b) Embryonic c) Fetal d) Maternal 32- An environmental agent which can interfere with the normal development of the pregnancy is called: a) Poisonous b) Mortal c) Infectious d) teratogen 33- The baby comes out during: a) The first stage b) The second stage of childbirth O The third stage of childbirth None of the answers childbirth 34- Which one can be a cause of C-section? a) Mom with previous C-section b) First baby c) Large baby d) old mom e) All of the answers 35- True or false The fontanels are the babies' fuzzy prenatal hair. 36- True or False The first stools of the baby are called meconium. 37- You are at the labor room where a delivery is being done. The mom gives birth to a baby girl crying immediately after being delivered, pink with blue limbs, strong and breathing pretty well. Pulses: 145. What is the APGAR score? a) 10 b) 8 (c) )9 d) 7 38- You are…arrow_forwardIf a male has fragile X syndrome, is his mother or father more likely to be a carrier for the disease? Why?arrow_forwardAmniotic fluid serves to cushion the fetus from abdominal trauma and facilitate fetal movement in utero to name a few functions. What statement concerning oligohydramnious is correct? Question 38 options: a) This condition is associated with maternal hypertension b) This condition can lead to compression of the umbilical cord c) This condition is due to an excess of amniotic fluid d) This condition is associated with maternal GDMarrow_forward
- A woman hoping to have a child took a home pregnancy test the day her period was due. Explain how should she interpret a negative test result and why.arrow_forwardSeeing that the placenta acts as a barrier protecting the baby from harmful substances the mother may consume, how come some babies develop ailments like Fetal Alcohol Syndrome? Are there some substances that render the protective function of the placenta less useful than required?arrow_forwardA pregnant patient who is at 32 weeks’ gestation has a cold and calls the office to ask about taking an over-the-counter medication that is rated as pregnancy category A. Which answer by the nurse is correct?a) “This drug causes problems in the human fetus, so you should not take this medication.”b) “This drug may cause problems in the human fetus, but nothing has been proven in clinical trials. It is best not to take this medication.”c) “This drug has not caused problems in animals, but no testing has been done in humans. It is probably safe to take.”d) “Studies indicate that there is no risk to the human fetus, so it is okay to take this medication as directed if you need it.”arrow_forward
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