Nutrition Test 5 CH15

25 July 2022
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All of the following are characteristics of nutrition and pregnancy except
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underweight has little, if any, effect on fertility
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Which of the following describes the capacity of a man to produce sperm and a woman to periodically produce a normal egg?
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Fertility
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which of the following has a favorable influence on fertility?
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choosing diets providing protein from vegetable sources
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what organ of the pregnant woman is central to the exchange of nutrients for waste products with the fetus?
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placenta
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what organ function to prepare the mothers breasts for lactation?
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placenta
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what connects the umbilical cord to the fetus?
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belly button
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what its the placenta?
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an organ from which the infant receives nourishment
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A newly fertilized egg is known as a
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zygote
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what is the approximate length of the fetus at 11 weeks of development?
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1 inch
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a newborn infant at full gestational age has an average length of
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20 inches
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How many weeks is the usual duration of a full-term pregnancy?
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38-42
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Gestation is generally divided into equal periods of
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3 months, called trimesters
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all of the following statements are specific to the critical periods of cell division except
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high nutrient density food fed after the critical period can remedy a growth deficit
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What term is given to the time period during which irreversible damage to the fetus may occur from specific events such as malnutrition or exposure to toxins?
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critical period
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What is the name given to the human organism two to eight weeks after fertilization and the stage at which the digestive system is formed?
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embryo
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What is the term given to the developing infant from the eighth week after conception?
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fetus
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At a stage of pregnancy does an embryo show a beating heart and a complete central nervous system?
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8 weeks
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during development of the fetus, what organ is the first to develop?
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central nervous system and brain
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the neural tube forms the early parts of the
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brain and spiral cord
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among the following , which is not mown to represent a significant risk factor for a pregnancy being affected by a neural tube defect?
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age at time of pregnancy
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Which of the following is a characteristic of neural tube defects?
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they are found in the 1000 newborns in the US each year
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an infant with incomplete closure of the spinal cord has
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spina bifida
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the most common forms of neural tube defects are spin bifida and
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anecephaly
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what organ is most affected in anencephaly
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brain
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you are working as a nutrition consultant in a women's health clinic and have been advising patients to make sure they consume about 400 micrograms of folate every day. One patient is aware that folate helps prevent birth defects but she isn't sure why she should take it if she is not pregnant. Which of the following is the most appropriate reply?
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the neural tube develops early onion pregnancy, often times before the woman realizes she is pregnant
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Which of the following nutrients taken as a prenatal supplement has been found to be associated with a lower incidence of neural tube defects?
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folate
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Students report that folate supplements for when many lower the incidence of neural tube defects of infants when the vitamin is taken during the
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month before conception through the first trimester of pregnancy
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what is the percentage increase in the folate RDA during pregnancy?
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50
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What percentage of pregnancies in the US are unplanned?
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50
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as a means to reduce the risk of neural tube defects in newborn infants, grain products are fortified with what nutrient?
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folate
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which of the following is a characteristic of maternal nutrition and development of abnormal metabolism?
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nutrition during pregnancy is the chief determinant of pancreatic beta cell growth and the risk for type two diabetes of the offspring
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The process by which a maternal nutrient intake affects the childs development of diseases later in life is known as
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fetal programming
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what is the most reliable indicator of an infants future health status?
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infants birthweight
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what is macrosomia?
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a high birthweight infant
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which of the following increases the risk of macrosomia?
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prepregnancy obesity
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which of the following describes an infant born during the 36th week of pregnancy?
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preterm
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Which of the following describes an infant born during the 43rd week of pregnancy?
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post team
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what is the recommended range of weight gain, in lbs, during pregnancy for a normal weight woman?
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25-35
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What is the recommended range of weight gain, in lbs, burring pregnancy for an underweight woman?
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28-40
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in obese pregnant women, the risk of neural tube defects in the infant is believed to result from
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poor glycemic control
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which of the following describes a relationship between body wight and pregnancy?
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underweight women who gain 30 lbs during pregnancy tend to birth smaller babies than heavier women who gain 30lbs
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You work with a primary care physician to help newly pregnant women plan their diets. What vital information is needed to formulate a plan of weight gain?
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weight and height
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in pregnancy, a large weight gain over a short time period is evidence of
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edema
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for the normal weight woman who becomes pregnant, what is the ideal weekly weight gain from the start of the second trimester and onward?
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1 lb
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Usually, what is the first sign of preeclampsia?
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a large weight gain over a short time
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what is the recommended minimum weight gain, in lbs, of a woman who will bear twins?
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37
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What is the recommended weight gain for the obese pregnant women?
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11 lbs
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in pregnancy, a large weight gain over a short time is sully an indication of
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excessive fluid retention
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the component of weight gain during pregnancy that is similar to the average weight of the infant at birth is the
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maternal fat stores
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which of the following is a characteristic of body weight changes associated with pregnancy?
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most women are unable to lose all of the weight that was gained during pregnancy
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to maintain physical fitness during pregnancy, all of the following activities are considered acceptable except
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saunas
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all of the following are normal body responses to pregnancy except
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body water level decreases
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Jenny has just learned that she is one month pregnant (1st trimester). She has been looking forward to all the ice cream, chips and cakes she has seen women on TV and in the movies eating when they are pregnant. What is the most appropriate advice for Jenny?
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she does not have increased energy needs in the first trimester and should not indulge herself
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what is the recommended increase in the daily energy intake, in kcal, for the third trimester of pregnancy?
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450
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over the course of the entire pregnancy, approximately how much extra energy, in kcal, does the average pregnant women need to consume?
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72,000
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which of the following statements characterizes energy needs during pregnancy?
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carbohydrates should supply a minimum of 135g and ideally 175g per day
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which of the following nutrients are required in higher amounts during pregnancy due to their roles in synthesis of red blood cells?
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folate and vitamin b12
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in the US, what is the minimum daily amount of protein that should be consumed by a 135 pound woman during pregnancy?
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74g
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Of the following nutrient needs, which is considered the most difficult to meet during pregnancy, often because of low body stores?
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iron
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all of the following reflect a state of iron nutrition in pregnancy except
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most women enter pregnancy with adequate stores of the mineral
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all of the following are features of zinc nutrition in pregnancy except
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supplements are effective in preventing neural tube defects
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during pregnancy, which of the following nutrients show a dramatic increase in absorption?
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calcium and iron
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which of the following is a feature of calcium nutrition in pregnancy?
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intestinal absorption increases substantially
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which of the following is a characteristic of calcium nutrition in pregnancy?
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the AI for calcium is the same as in non pregnancy
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The amount of vitamin D recommended in pregnancy can be obtained by consumption of fortified milk and
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exposure to the sun
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in pregnant women unable to meet their calcium needs, how many mg of a daily calcium supplement is advised?
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600
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According to the recommended food intake for pregnancy, which of the following food groups is the only one that is provided in sufficient amounts by this menu?
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meats
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since repeated pregnancies occurring within short time frames lead to depletion of the mothers nutrient reserves, what is the optimal interval between pregnancies?
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1 1/2 - 2 years
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which of the following is a characteristic of vegetarian diets during pregnancy or lactation?
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it is possible that a vegetarian diet can support a healthy pregnancy and normal lactation
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the common problems of pregnancy include all of the following except
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low blood pressure
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to help alleviate pregnancy-related nausea, all of the following actions are recommended except
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eat large, infrequent meals so as to limit contact time with food
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which of the following is one of the recommendations to treat pregnancy-associated heartburn?
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eat many small meals
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which of the following statements reflects current knowledge of food choices in pregnancy?
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cravings aversions to certain foods are probably the result of altered taste and smell sensitivities induced by hormones
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all of he following are features of nonfood cravings during pregnancy except
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they are known to lead to premature delivery and to low birth weight infants
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jane is visiting with her doctor during her 2nd trimester of pregnancy and has just revealed her strange cravings. The doctor declared that Jane is experiencing pica, which is causing her intense craving for
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dirt
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what is the most likely reason for a pregnant woman to crave pickles?
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a change in horomones
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a craving for non food substances is known as
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pica
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which of the following is the standard classification for a low birth weight infant?
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5 1/2 lbs or less
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which of the following is the standard classification for a very low birth weight infant?
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3 1/2 lbs or less
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risks from malnutrition in women or men before conception include all of the following except
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it usually results in macrosomia
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which of the following is not a feature of malnutrition in pregnancy?
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around the imd of conception, it prevents the uterus from developing fully but spares the placenta
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what is WIC?
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a food and nutrition services program for pregnant women, children, and infants
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which of the following is a feature of WIC program?
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it saves an estimated $3 in medical costs in the first two months after birth for every dollar spent
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brenda is in her 26th week of gestation and has a family history of diabetes. She has been consuming a diet containing 60% of energy from carbohydrates. If she does not make appropriate dietary changes, she is at high risk for developing
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gestational diabetes
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What gestational diabetes?
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abnormal blood glucose maintenance during pregnancy
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Which of the following is a characteristic of gestational diabetes?
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it leads to adult onset diabetes in about a third of the women
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all of the following are features of gestational diabetes except
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infant birth weights are typically low
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what is the name of condition characterized by high blood pressure, edema, and protein in the urine of a pregnant woman?
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preclampsia
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preeclampsia typically develops during the
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second half of pregnancy
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all of the following features of preeclampsia except
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diabetes
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approximately what percentage of newly pregnant women develop gestational diabetes?
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4
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which of the following is not a characteristic of preecalmpsia?
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it is almost always progresses slowly to ecplampsia
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which of the following is distinguishing characteristic of eclampsia?
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convulsions by the mother
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which of the following is a characteristic associated with adolescent pregnancy?
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the recommend weight gain is approximately 35 lbs
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Which of the following may be effective at reducing the risk of preeclampsia?
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exercise
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all of the following are features of oleo pregnant women in comparison with younger pregnant women except
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maternal morality rates are lower
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what is the risk of giving birth to a child with Down syndrome for a woman who is 40 years old compared with a 20 year old?
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100 times higher
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what term best describes a factor that causes abnormal fetal development and birth defects?
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teratogenic
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which of the following recommendations for pregnant women and alcohol intake has been issued by the US Surgeon Genral?
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they should drink absolutely no alcohol
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tobacco use in pregnancy increases the risk for all of the following except
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macrosomia
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With few expectations, all of the following substances or practices should be totally eliminated during pregnancy except
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artificial sweeteners
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relationships between the use of tobacco products and complications of pregnancy include all of the following except
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taking zinc supplements prevents the development of pregnancy-induced hypertension in smokers
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a positive relationship exits between sudden infant death syndrome and which of the following behaviors during pregnancy?
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cigarette smoking
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which of the following is a characteristic of food bone illness during pregnancy?
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the risk for listerious is substantially higher in pregnant women than in other healthy adults
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which of the following is a feature of heavy metal intake and pregnancy?
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the adverse effects of lead can be reduced by liberal intakes of calcium
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a feature of heavy caffeine use in human pregnancy is that it may
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increase the risk of infant death
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in general, what are the chief consequences of nutritional deprivation in the lactating mother?
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reduced quantity of milk
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which of the following is a function of prolactin?
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it acts on mammary glands to promote milk production
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what causes the "let down reflex"
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ocytocin
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the number of extra calories per day need to produce a normal supply of milk during the first six months of lactation is approximately
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500
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penny is a new mom and, on the advice of her doctor, has been eating an extra whole wheat babel with strawberry jelly every night addition to her nutrient dense diet. Why did penny receive this advice
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these bagels provide the extra carbohydrates and fiber lactating mothers need for lactose production
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which of the following describes the findings from studies of lactating women who exercised intensely compared with sedentary lactating women?
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their milk contained more lactate, which altered the milks taste
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Which of the following is a feature of lactation?
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breast milk quantity but not quality is most affected by nutritional inadequacies
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why might a lactating woman need to take an iron supplement?
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to replace the iron stores she lost during pregnancy
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which of the following statements describes an association between nutrient intake and lactation
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ingestion of garlic may lead to an off-flavor of the milk
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it is still acceptable for a mother to breastfeed even if she has
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an ordinary cold
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which of the following is a characteristic of maternal smoking and breast milk production?
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the milk produced by mothers who smoke contains nicotine
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which of the following is a characteristic of alcohol intake and lactation?
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alcohol easily enters breast milk
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which of the following reflects one of the effects of alcohol intake eon lactation?
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it hinders the infant ability to breastfeed
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which of the following is an effect of alcohol intake in the mother who breastfeeds?
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it alters the flavor
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what is the benefit of the postpartum amenorrhea?
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it conserves iron in the mother
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which of the following isn to a characteristic of caffeine and lactation?
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the A.M.A. recommends no caffeine intake during lactation
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which of the following statements describes a relationship between alcohol intake and fetal development?
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birth defects are most severe when the woman drinks around the time of conception
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a less server form of fetal alcohol syndrome is known by all of the following terms except
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fetal sub developmental
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which of the following is not a feature of children boron with alcohol related complications
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all children born with these complications show marked outward signs
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in what period of pregnancy would most damage from alcohol consumption occur?
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first trimester
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according to many experts, what minimum level of alcohol intake increases the risk of giving birth to an infant with fetal alcohol syndrome?
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1 drink/day