Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 21, Problem 4AWK
Each year, it is estimated that over 40,000 newborn babies are impacted by the effects of alcohol consumed by the mother during pregnancy. Fetal alcohol syndrome is one of the leading causes of preventable birth defects. Why do you think alcohol is more likely to damage the fetus than the mother?
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Chapter 21 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 21 - Prob. 1QCCh. 21 - Prob. 2QCCh. 21 -
1. Why does only one sperm fertilize the egg, and...Ch. 21 - Prob. 2CRCh. 21 - Prob. 3CRCh. 21 - Describe the stages of labor and delivery.Ch. 21 - What causes the newborn to take its first breath...Ch. 21 - Prob. 6CRCh. 21 - What causes the onset of puberty (sexual...Ch. 21 - Summarize the three main hypotheses of the causes...
Ch. 21 - Prob. 9CRCh. 21 - Prob. 10CRCh. 21 - Which of the following lists the correct order of...Ch. 21 - Which of the following will result in fraternal...Ch. 21 -
3. Which of the following processes is the first...Ch. 21 - Prob. 4TYCh. 21 - Prob. 5TYCh. 21 - Prob. 6TYCh. 21 -
7. Which of the following is mismatched?
a....Ch. 21 - Prob. 8TYCh. 21 - Prob. 9TYCh. 21 -
10. Which of the following would be detrimental...Ch. 21 - Prob. 11TYCh. 21 - Prob. 12TYCh. 21 - Prob. 13TYCh. 21 - Prob. 14TYCh. 21 - Which hormone plays a critical role both in...Ch. 21 - Prob. 1AWKCh. 21 - Prob. 2AWKCh. 21 - Prob. 3AWKCh. 21 - Each year, it is estimated that over 40,000...Ch. 21 - Prob. 5AWKCh. 21 - Prob. 6AWKCh. 21 - How is it possible that one's life could be...
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- Drinking alcohol during pregnancy can lead to fetal alcohol syndrome, a condition that can cause heart defects, damage to the central nervous system, deformed limbs, slow growth, and abnormal facial features. Explain how the ingested alcohol is transferred from mother to fetus.arrow_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_forwardA 22-year-old woman consumes large quantities of alcohol at a party and loses consciousness. Three weeks later, she misses her second consecutive period, and a pregnancy test is positive. Should she be concerned about the effects of her bingedrinking episode on her baby?arrow_forward
- A couple living in Florida is trying to have a baby, but they are having trouble getting pregnant. The male is very light skinned yet enjoys spending as much time as possible outdoors in the sun. From the male's perspective, why might he be contributing to the trouble with getting pregnant? Excessive ultraviolet light exposure can reduce folate levels, and folate is required for normal sperm development. Excessive heat from the sunlight inhibits normal sperm production; thus, he probably does not have enough sperm. The male does not have enough melanin production to support normal sperm development. Excessive sunlight exposure can rapidly increase folate levels, which then inhibits normal sperm development. Normal sperm development occurs best in colder temperatures; thus, living in Florida he has a reduced chance of getting his partner pregnant.arrow_forwardSection 2: 136. A newborn has a hypoplastic phallus. Chromosomal analysis shows a 46,XY karyotype. Laparoscopy shows the presence of uterine tubes and a uterus. This condition is most likely to from which of the following patterns of gonadal production of hormones? A) OB) OC) OD) Testosterone Paramesonephric-(müllerian-) inhibiting Substancearrow_forwardWhat is the most common reason of congenital hypothyroidism in newborn? Group of answer choices Mother was exposed to toxic substances during her pregnancy Low iodine levels in the diet of mother during her pregnancy Mother has thyroid problem during her pregnancy Low iron level of mother during her pregnancyarrow_forward
- Conditions that cause the fallopian tubes to be narrower than normal may result in: Implantation of a fertilized ovum within the tube. More rapid propulsion of the ovum through the tube. Increased likelihood of pregnancy during each cycle. Excessive cramping and bleeding during menstruation .arrow_forwardWhat are some of the strenghts of Ursula Norman, a 32-year-old nurse who was brought to an emergency department 6 days after giving birth? She is married and has one child. Ms. Norman has been behaving very strangely and has become convinced that she has smothered and killed her baby. Biological Factors: Ursula Norman is a 32-year-old woman who has recently given birth.arrow_forwardWhich of the following statements is NOT true regarding maternal alcohol consumption, cigarette smoking, and use of illicit drugs during lactation? a. Alcohol passes into breast milk and causes sleepiness in the infant. b. Infants drink slightly more breast milk when the mother consumes up to one alcoholic drink per day. c. To minimize the effects of an occasional alcoholic drink, women should drink after breastfeeding, eat a meal with the drink to reduce alcohol absorption, and wait to breastfeed for several hours after drinking. d. Illicit drugs can be delivered through breast milk and cause irritability, tremors, hallucinations, and even death in infants.arrow_forward
- A 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_forwardIdentify 3 effects of progesterone on pregnancy. Select one or more: O a. This causes the uterus to remain contracted after delivery to reduce blood loss from the placental site O b. This is produced when the ovarian follicle that encloses the developing egg forms a structure called the corpus luteum O c. This decreases bladder tone leading to an increased risk of urinary infection O d. This prepares the body for pregnancy. It acts as an appetite stimulant Identify 1 effect of the hormone vasopressin in pregnancy. Select one: O a. This has an important compensatory mechanism for restoring blood pressure in hypovolaemic shock such as that which occurs during haemorrhage O b. Promotes the maintenance of the corpus luteum at the beginning of pregnancy O C. Involved in thickening of the endometrium and other aspects of regulating the menstrual cyclearrow_forwardDescribe the effects of Fetal Alcohol Syndrome. please provide examples such as research or experiments done on this.arrow_forward
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