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: The placenta functions to Select one: a. produce blood cells b. create amniotic fluid c. provide…

A: The placenta is a large organ that consists of the blood vessel. It begins to form the blastocyst…

Q: Explain how hormones secreted by the pituitary gland, ovary, and chorion regulate the development of…

A: The term ‘reproduction’ is used for the process in which an offspring is produced from their…

Q: describe implantation including the process of placentation, embryonic development, and membrane…

A: The processes of implantation, placentation, embryonic development and membrane formation occurs…

Q: Nutrient and waste requirements for the developing fetus are handled during the first few weeks by:…

A: Endometrium is the innermost lining of the uterus which undergoes cyclic changes during…

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: The outer layer of the blastocyst, which attaches to the uterine wall, is the (a) yolk sac, (b)…

A: After fertilization, when the embryo reaches the fifth or sixth day, blastocysts' formation occurs.…

Q: A friend in your dormitory, a freshman, tells you that she just discovered she is 3 months pregnant.…

A: After fertilization, the fetus develops within 8 weeks. Most of the prescriptive and…

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: Into which structures do the trophoblast cells of the developing embryo, differentiate?   a)   The…

A: The fusion of male and female gamete produces zygote. This process is known as fertilisation. Zygote…

Q: Identify a characteristic of a fetus in the sixth month of gestation. a. It weighs between 5 and 7…

A: Answer : c. It has fully developed reflex patterns.

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: Describe the role of pregnancy hormones during human pregnancy. What hormones prepare the mammary…

A: Several hormones are secreted from the placenta to maintain the pregnancy and to prepare the body…

Q: What is the specific hormone that functions primarily during pregnancy? A) Estradiol  B) Estriol…

A: There are two hormones released by ovaries: estrogen and progesterone. Progesterone helps in the…

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: During the first trimester, hCG produced from the chorion maintains the corpus luteum. What is the…

A: A protein hormone, HCG, starts up to generated in considerable quantities in initial pregnancy. It…

Q: Which of the following statements about gender development is NOT correct? Select one: a. XY males…

A: The chromosomes which are responsible for determining the sex of an individual organism is called a…

Q: During the organogenesis stage, several of the five essential developmental processes take place.…

A: I have discussed a primary step of organogenesis which is crucial for further development in next…

Q: e) None of the answers 31- Which stage of prenatal development goes from the second to the 8h week…

A: As per our company's guidelines we are supposed to answer three sub parts only. Please repost the…

Q: Gastrulation does NOT Select one: a. involve the formation of germ layers b. consist of endoderm,…

A: Introduction: When the new offspring develops from the existing organisms, the process is referred…

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: The outer layer of the blastocyst that attaches to the wall of theuterus at implantation is called…

A: Embryonic development begins after the fertilization of sperm with the egg. After the fertilization…

Q: Which of the following statements is incorrect?a. The placenta secretes hormones such as…

A: The placenta is a temporary organ that is formed in the uterus during pregnancy. The umbilical cord…

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: Which of the following rows correctly identifies the source of placental formation? Select one: a.…

A: During birth, the placenta binds the growing fetus to the mother's uterus wall. It rises in the…

Q: List some of the common developmental events that occur during puberty.

A: Puberty is referred to as the period of a male and female's life when they become sexually capable…

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: 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: Latonia is pregnant. Her doctor told her that the baby has developed enough that it can now live…

A: The fusion of male and female gamete is known as fertilisation. It will produce zygote. The cleavage…

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: 1) Give one or two examples of events that occur during each trimester of pregnancy. a) First…

A: Pregnancy is a natural biological process in which a female's body undergoes a series of…

Q: Which hormone is primarily responsible for maintaining the early stages of pregnancy? A) Estrogen B)…

A: Hormones play a crucial role in the regulation and support of pregnancy. Endocrine glands release…

Q: The placenta function to Select one: A. Produce blood cells B. Provide nutrition for the growing…

A: The placenta is a temporary, membranous, vascular organ that develops in females during pregnancy.…

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…