Embryonic stage - Study guides, Class notes & Summaries

Keys to a healthy pregnancy 1) adequate vitamins and minerals 2) healthy body weight 3) controlling health conditions 4) avoid teratogens 2. Teratogens Compounds that can increase the risk of a birth defect. 3. Examples of teratogens: 1) Tobacco: miscarriage, stillbirth, LBW, preterm 2) Alcohol: fetal alcohol syndrome 3) Drugs: LBW, miscarriage, birth defects 4. 4 Key pregnancy stages: Fertilization, Blastogenic, Embryonic, Fetal 5. Blastogenic stage (Day 1 to 14): A period of ra...

Nursing 1390 Test Questions Final Review The developmental theories of Freud, Piaget, and Erickson have the following characteristic in common - ANS Certain tasks or behaviors must be accomplished before the next stage of development can be reached The abnormal finding in an evaluation of growth and development for a 6 month old infant would be: - ANS Head lag present The ID is the concept of the mind that is present - ANS At birth A one year old has learn...

bicoid - these genes encode cytoplasmic determinants in the anterior tip of the embryo syncytial blastoderm - the stage of embryonic development during which bicoid expression is significantly reduced syncytial blastoderm - stage of embryonic development in which nuclei move to the periphery of the cell, forming a single layer, with each nuclei barely separated from its neighbors cellular blastoderm - stage of embryonic development after cellularization and before gastrulation bicoid...

What layer do neural crest cells develop from? Ans: Ectoderm At what embryonic age does the dental lamina begin to develop? Ans: 6 weeks What are the three components of the tooth bud? Ans: Enamel Organ Dental papilla Dental sac What are the three morphologic stages of a developing tooth bud? Ans: Bud stage Cap stage Bell stage GRADE A+ During the bell stage invagination of the epithelium occurs, which layer is essential for enamel production? Ans: Stratum intermedium Which cel...

BIOD 121 MODULE 6 EXAM LATEST UPDATED 2024 key developmental stages - Fertilization Blastogenic stage Embryonic stage End of first trimester Fetal Stage Tobacco use can - increase the risk for miscarriage, stillbirth, preterm delivery, and low birth weight infants Alcohol use - is linked to a risk for fetal alcohol syndrome, which results in physical and mental disabilities and growth retardation drug use - increases the risk for low birth weight, preterm delivery, miscarriage...

Lifespan Development: A Psychological Perspective By Martha Lally and Suzanne Valentine-French This Open Education Resource (OER) textbook was funded by a grant from the College of Lake County Foundation and supported by the Business and Social Sciences Division. This textbook can be found at: Publication is under the following license: Creative Commons Attribution-Noncommercial-Share Alike 3.0 unported license to view a copy of this license, visit Table of Contents C...

ANSC 3040 Final Questions With Complete Solution 2024 What characterizes an Ootid to go to a Zygote and what is this process called Correct Answer: fusion of the two nuclei to one. called Syngamy What characterizes the change from a Zygote to a 2 cell embryo Correct Answer: the one cell embryo will undergo cleavage and become a 2 cell What are 7 stages of early embryonic development Correct Answer: 1. Ootid 2. Zygote 3. 2-cell embryo 4. Morula 5. Early blastocyst 6. Hatching Blast...

Exam 1 Brain Story MODs| Answered 100% Correctly| Latest The brain begins as an embryonic structure called the: a. brain stem b. neocortex c. neural tube d. spinal cord Neural tube Bain developmental starts shortly after conception. The brain is considered mature around the age of: a. 6 b. 18 c. 25 d. 60 25 Different abilities, and their underlying neural circuits, develop in a bottom-up sequence during sensitive periods. Put the following abilities in the correct sequence of...

Final Exam: BIO 117 / BIO 117 (Latest 2023/ 2024) Introduction to Anatomy and Physiology Exam Review| Complete Guide with Questions and Verified Answers| 100% Correct| Hondros Q: Most Fertilization occurs where? Answer: Oviduct of the fallopian tubes Q: In females why do we need FSH? Answer: Ova (Egg) Maturation Q: In females why do we need LH? Answer: Menstration Q: Ovulation occurs during what day of the female cycle? Answer: day 14 Q: ___...

Oral stage Anal stage Phallic stage Latency stage Genital stage - ANSWER-What are the five stages of Freud's psychosexual development theory? In what age range is the oral stage of Freud's psychosexual development theory? - ANSWER-Birth- 1 1/2 years In what age range is the anal stage of Freud's psychosexual development theory? - ANSWER-1 1/2- 3 years In what age range is the phallic stage of Freud's psychosexual development theory? - ANSWER-3-6 years In what age range is the...