Nutrition Final Exam Lecture 20 Questions With Complete Solutions

Does nutrition impact fertility for males or females, or both? correct answer: both males and females What are some factors to consider to prepare for a healthy pregnancy? correct answer: -achieve and maintain a healthy body weight by consuming an adequate and balanced diet - be physically active - regular medical care - manage chronic conditions - avoid harmful influences What are the developmental stages for a fetus? correct answer: - newly fertilized ovum: zygote then blastocyst - 5 weeks: embryo (with central nervous system, facial features, fingers, just through cell division) - Fetus: 11 weeks - 9 months later: newborn baby has grown 8 times longer and 50 times as heavy What organ supplies nutrients and oxygen to the growing fetus? correct answer: The placenta: an organ created during pregnancy to keep the fetus alive Does the blood of the infant mix with the blood of the mother? correct answer: no Describe critical periods during pregnancy... correct answer: critical periods: a period of time where certain systems need to develop, if they are not developed at this time, there is no way to fix it The two most common neural tube defects? correct answer: Anencephaly and Spina Bifida Anencephaly correct answer: no brain, it is either missing or it fails to developp pregnancies often end in a miscarriage, or infants die shortly after birth Spina Bifida correct answer: incomplete closure of the spinal