HUMAN ANATOMY
6th Edition
ISBN: 9781260986037
Author: SALADIN
Publisher: MCG
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Chapter 4, Problem 4TYC
Summary Introduction
To write:
The meaning of term triploid and what leads to this condition during the process of human development.
Introduction:
Spontaneous abortion of fetus at 12 weeks can be seen due to various chromosomal disorders which affect the development of the fetus.
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A pregnant woman in substantial pain called her doctor and explained that she was about to have her baby "right away". The doctor calmed her and asked how she had come to that conclusion. She said that her water has broken and that her husband could see the baby's head.
a. Was she right to believe that birth was imminent? If so, what stage of labor was she in?
b. Do you think she had time to make it to the hospital 60 miles away? Why or why not?
A pregnant woman visits a doctor to determine the sex of her child. The doctor refused to perform the test. Why is she being denied?
Factors that can cause congenital malformations by affecting an embryo during its periods of rapid growth and development are called teratogens.
TRUE or FALSE
Chapter 4 Solutions
HUMAN ANATOMY
Ch. 4.1 - Prob. 1BYGOCh. 4.1 - Prob. 2BYGOCh. 4.1 - Explain the functions of the sperm’s acrosome and...Ch. 4.1 - Describe two ways a fertilized egg prevents the...Ch. 4.2 - List the four primary tissue types of the adult...Ch. 4.2 - Oligohydramnios17 is an abnormally low volume of...Ch. 4.2 - Prob. 5BYGOCh. 4.2 - Prob. 6BYGOCh. 4.2 - Prob. 7BYGOCh. 4.2 - Prob. 8BYGO
Ch. 4.2 - Prob. 9BYGOCh. 4.2 - Prob. 10BYGOCh. 4.2 - Define and describe the neural tube, primitive...Ch. 4.3 - Prob. 1AWYKCh. 4.3 - Prob. 12BYGOCh. 4.3 - Prob. 13BYGOCh. 4.3 - Why is a baby more likely to be born with...Ch. 4 - Prob. 4.1.1AYLOCh. 4 - Prob. 4.1.2AYLOCh. 4 - Prob. 4.1.3AYLOCh. 4 - Prob. 4.1.4AYLOCh. 4 - Prob. 4.1.5AYLOCh. 4 - Prob. 4.1.6AYLOCh. 4 - Prob. 4.1.7AYLOCh. 4 - The duration of pregnancy and how the date of...Ch. 4 - Prob. 4.2.2AYLOCh. 4 - Prob. 4.2.3AYLOCh. 4 - Prob. 4.2.4AYLOCh. 4 - Prob. 4.2.5AYLOCh. 4 - Prob. 4.2.6AYLOCh. 4 - Prob. 4.2.7AYLOCh. 4 - Prob. 4.2.8AYLOCh. 4 - Prob. 4.2.9AYLOCh. 4 - The major changes that occur during the embryonic...Ch. 4 - Prob. 4.2.11AYLOCh. 4 - How the coelom forms, how it divides into the...Ch. 4 - The meaning of organogenesis, and some tissues and...Ch. 4 - Prob. 4.2.14AYLOCh. 4 - Prob. 4.2.15AYLOCh. 4 - Prob. 4.2.16AYLOCh. 4 - Prob. 4.2.17AYLOCh. 4 - Prob. 4.2.18AYLOCh. 4 - Prob. 4.2.19AYLOCh. 4 - The three modes in which the conceptus is...Ch. 4 - The development and mature structure of the...Ch. 4 - The relationship of the placenta to the umbilical...Ch. 4 - Prob. 4.2.23AYLOCh. 4 - The time at which the individual is considered to...Ch. 4 - Prob. 4.2.25AYLOCh. 4 - Prob. 4.3.1AYLOCh. 4 - Prob. 4.3.2AYLOCh. 4 - Prob. 4.3.3AYLOCh. 4 - Prob. 4.3.4AYLOCh. 4 - Prob. 4.3.5AYLOCh. 4 - Prob. 4.3.6AYLOCh. 4 - Prob. 4.3.7AYLOCh. 4 - When a conceptus arrives in the uterus, it is at...Ch. 4 - The entry of a sperm nucleus into an egg must be...Ch. 4 - Prob. 3TYRCh. 4 - Prob. 4TYRCh. 4 - Prob. 5TYRCh. 4 - Prob. 6TYRCh. 4 - Prob. 7TYRCh. 4 - Prob. 8TYRCh. 4 - Prob. 9TYRCh. 4 - For the first 8 weeks of gestation, a conceptus is...Ch. 4 - Viruses and chemicals that cause congenital...Ch. 4 - Prob. 12TYRCh. 4 - Prob. 13TYRCh. 4 - Prob. 14TYRCh. 4 - Prob. 15TYRCh. 4 - The enzymes with which a sperm penetrates an egg...Ch. 4 - Prob. 17TYRCh. 4 - Prob. 18TYRCh. 4 - Prob. 19TYRCh. 4 - Prob. 20TYRCh. 4 - Prob. 1BYMVCh. 4 - Prob. 2BYMVCh. 4 - Prob. 3BYMVCh. 4 - Prob. 4BYMVCh. 4 - Prob. 5BYMVCh. 4 - Prob. 6BYMVCh. 4 - Prob. 7BYMVCh. 4 - Prob. 8BYMVCh. 4 - Prob. 9BYMVCh. 4 - Prob. 10BYMVCh. 4 - Prob. 1WWWTSCh. 4 - Prob. 2WWWTSCh. 4 - Prob. 3WWWTSCh. 4 - Prob. 4WWWTSCh. 4 - Prob. 5WWWTSCh. 4 - Prob. 6WWWTSCh. 4 - Prob. 7WWWTSCh. 4 - Prob. 8WWWTSCh. 4 - Prob. 9WWWTSCh. 4 - Briefly explain why each of the following...Ch. 4 - Only one sperm is needed to fertilize an egg, yet...Ch. 4 - Prob. 2TYCCh. 4 - Prob. 3TYCCh. 4 - Prob. 4TYCCh. 4 - Prob. 5TYC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Emily and her husband are thrilled as they peer into Emily's uterus by means of an ultrasound. The physician reports that the pregnancy appears normal and that their baby's organs, spine, and arms and legs are developing as expected. Given this information, the current stage of prenatal development is the embryonic period germinal period zygotic period fetal stage placentaarrow_forwardIn the late 1960s, a number of pregnant women in Europe and Canada were prescribed a drug called thalidomide. Many of these women gave birth to children with amelia (no limbs) or meromelia (malformed upper and/or lower limbs). It was later discovered that thalidomide is a teratogen that can cause limb defects in an unborn baby. Based on this information, during what period of their pregnancy (pre-embryonic, embryonic, or fetal) do you think these women took thalidomide? During which of these periods would thalidomide cause the most harm to limb development?arrow_forwardWhich of the following rows correctly identifies the stage in development and the embryonic age most sensitive to teratogens, respectively? Select one: a. Stage Embryonic Age Fetus 6 to 40 weeks b. Stage Embryonic Age Embryo 6 to 12 weeks c. Stage Embryonic Age Embryo 0 to 9 weeks d. Stage Embryonic Age Fetus 9 to 16 weeksarrow_forward
- What kinds of studies and information are required to determine whether a man’s exposure to a potential teratogen can cause birth defects years later? How would such analysis differ if a woman were exposed?arrow_forwardWhat is the number of chromosomes in the following cells? Primary oocyte,secondary oocyte, ootid and follicle.arrow_forwardUsing Next Generation Sequencing technology, biopsy of an embryo produced the following chromosomal sequencing results. What are the abnormality and sex of this embryo? Will this embryo produce a healthy livebirth and why?arrow_forward
- 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 disabilityarrow_forwardIf cells choose to become trophoblast, they will end up in the placenta. If they choose to become ICM, they will give rise to the 3 germ layers that will make up the rest of the body of the embryo. Explain what rpocesses or mechanisms will guide them to make the right decision. Do they have a choice?arrow_forwardwhy is it important that the gametocytes is unique from the other?arrow_forward
- Suppose that in the near future, you are a prenatal care provider. In the most recent ultrasound checkup on the expecting mother, you unfortunately found that the fetus is suffering a neural tube defect in the form of anencephaly. Seeing as the mother is still in the 12th week of pregnancy or the 1st trimester, the pregnancy can still be terminated via medical means. How would you explain to the parents the situation they are in?arrow_forwardIt is no mystery how harmful a lot of environmental factors can be on a fetus nor is it misunderstood how important proper prenatal care is during pregnancy. Despite this, we have seen that many people do not receive the recommended care and children are still born with birth defects due to preventable teratogens. explain how you could reduce or eliminate these negative consequences.arrow_forwardRetinoic acid is the main component of Tretinoin, an anti-cancer chemotherapy drug. Retinoic acid is also a known teratogen which can cause congenital anomalies in eyes, ears, hearts, lungs, limbs, and many other organ systems. Based on the organ systems that are impacted by exposure to retinoic acid, during which of the following trimesters of pregnancy are developing humans most susceptible to the teratogenic effects of retinoic acid? aFirst trimester b.Second trimester c.Third trimesterarrow_forward
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