The stage of prenatal development in which there is rapid growth and all of the organ systems are fully functional is referred to as the a.)first trimester b.)second trimester c.)third trimester d.)zygote phase

Q: Of the three polar bodies , one came from an unequal division of the ovum , but from where did the…

A: The process of the formation of the egg within the ovary is called oogenesis. This process is also…

Q: Placenta ... a) ... develops from trophoblast cells. b) ... develops from embryoblast cells. c)…

A: Pregnancy occurs when the male gamete sperm fuses and fertilizes with the female egg that is…

Q: Which of the following rows indicates this pregnancy hormone and the correct location of production?…

A: Introduction Pregnancy is an event in which the fertilised egg cell starts developing into an embryo…

Q: During the embryonic development, the trophoblast will develop into Select one: a. the yolk sac b.…

A: Embryonic development (embryogenesis) refers to the process by which an animal or plant embryo…

Q: Of the three polar bodies , one came from an unequal division of the ovum , but from where did the…

A: The process of the formation of the egg within the ovary is called oogenesis. This process is also…

Q: What kinds of studies and information are required to determine whether a man’s exposure to a…

A: The teratogens are the naturally occurring or chemical compounds that have the ability to produce…

Q: 35. The differentiation of the primitive gonads into testes or ovaries depends on the presence or…

A: The Y chromosome have SRY gene which is referred to as the sex determination region. This is present…

Q: Why is a second polar body expelled after fertilisation?   a)   To remove excess cytoplasm   b)…

A: The second polar body is a small, non-functional cell that is produced during oogenesis after the…

Q: What is the significance of cleavage during the early stages of development?

A: The cleavage is the division of cells in the early stage of an organism. This implies that with each…

Q: 3. During the course of successful prenatal development, a human organism begins as a(n): A) Zygote…

A: The goal of developmental biology is to comprehend how an organism develops—how a single cell…

Q: A full-term newborn has respiratory distress. Ultrasonography shows that the abdominal organs have…

A: The objective of the question is to identify the embryonic structure whose abnormal development…

Q: he placenta develops from:  Question 26 options: a)  Maternal tissue only b)  Both fetal and…

A: The placenta is an organ that is developed in the female body during the gestation period. Its…

Q: The presence of which of the following hormones is tested for pregnancy a) Human chorionic…

A: Female body undergoes various hormonal changes during pregnancy. Hormonal fluctuations are very…

Q: What is measured by the Bishop score in obstetrics? A) Fetal heart rate B) Cervical readiness for…

A: The Bishop score is a pre-labor scoring system used in obstetrics to assess the cervix's readiness…

Q: The gradual modification of anatomical structures during the period from conception to maturity is,…

A: An organism refers to a living thing, which has an organized structure, can react to grow, adapt,…

Q: la)Elene worked on a construction site for part of the time that she was pregnant with her daughter,…

A: Lead in the blood of a prenatal mom can cause the baby in the womb to born too early and it also…

Q: Name and define the three basic stages of prenatal development?

A: Reproduction in humans can be defined as the process in which sperm fused with the ovum to form the…

Q: Write about the features and functions of a) the placenta and b) the different types of embryonic…

A: FEATURES AND FUNCTIONS OF PLACENTA Post implantation, the nutrition to the placenta for first few…

Q: which germ layer (tissue) gives rice to our nervous system and outer coverings. a) endotherm b)…

A: The mesoderm, or middle tissue, gives rise to most of the muscle and connective tissues. Finally the…

Q: In the absence of sex hormones during fetal development, the human body will: A) develop a…

A: The objective of the question is to understand the role of sex hormones in the development of the…

Q: Claire and Azalea were both infected with a virus known to harm prenatal development. Claire was…

A: The viruses are DNA or RNA containing organisms that behave like non-living materials outside of the…

Q: 44 A full-term newborn has respiratory distress. Ultrasonography shows that the abdominal organs…

A: Abnormal embryonic development is when an embryo has genetic abnormalities and and its effects the…

Q: In-vitro fertilization occurs in the laboratory. The resulting embryos remain in a laboratory…

A: Fertilization The egg is viable for 12 to 24 hours after ovulation. Sperm are viable for 12 to 48…

Q: 6. (a) What are teratogens? (b) Thalidomide is a drug that can inhibit limb development. In what…

A: Teratology is the branch of biology that investigates the causes, mechanisms, and patterns of…

Q: The procedure in which sound waves are converted to images of the fetus is called........... a)…

A: During pregnancy the health and situation of the foetus can be monitored and the images of the baby…

Q: What is the purpose of the placenta? Which part of the blastocyst eventually becomes the fetal…

A: Introduction  An organ that grows in the uterus during pregnancy is the placenta. A developing…

Q: 1.) A woman presents to a prenatal clinic appointment at 10 weeks' gestation, in the first trimester…

A: The formation of nearly all essential organs and tissues occurs about week 10 of pregnancy. They are…

Q: Which of the following statements regarding prenatal development risks is FALSE? a. Cigarette…

A: Prenatal means before birth, prenatal development refers to the development that occurs before birth…

Q: Which of the following primary germ layers nervous tissue develops from? a ) yolk sac b) endoderm…

A: The life of a human being begins in the womb as an embryo and undergoes various developmental stages…

Q: The muscular system develops from which embryonic germ layer? a ) Ectoderm B ) Mesoderm D )…

A: The three germ layers are the endoderm, the ectoderm, and the mesoderm. Cells in each germ layer…

Q: hich structure is the outermost extra-embryonic membrane? A ) Placenta ‘ B ) Yolk sac D ) Chorion

A: An extraembryonic membrane is one among the membranes that assist within the development of the…

Q: Fertilization: a) Briefly describe the process of fertilization in humans, b) identifying key…

A: Sexual reproduction is the process by which new young ones are produced, by fusion of the genetic…

Q: were asked to give an explanation at a local maternity clinic on prenatal development. Your…

A: Prenatal development is the development of embryo  , from the time of fertilization till the baby is…

Q: Which of the following events does not take place when a fetus is 17 to 20 weeks old? (a) fetal…

A: Reproduction is a biological process by which an organism reproduces an offspring who is…

Q: Ch. 8: Which of the following statements is FALSE about leiomyomas? a) They are also called uterine…

A: Leiomyomas, or uterine fibroids, are noncancerous growths that develop in and around the uterus.…

Q: Name and define the three basic stages of prenatal development?

A: Human reproduction is defined as the process by which sperm fuses with the ovum to generate the…

Q: A young couple hoping for a pregnancy buys an over- the-counter pregnancy kit. What substance will…

A: Hormones are chemical messengers produced by specific epithelial cells and released into the…

Q: 8.) Removal of the corpus luteum from an ovary will cause which of the following changes? a.)…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: Name the postnatal stages of development.

A: Postnatal development occurs after birth. Postnatal development has five stages. The five stages of…