Trophoblast - Samenvattingen, Aantekeningen en Examens

Glycogenolysis - breakdown of glycogen to glucose 46 chromosomes - diploid cells Glycogenesis - formation of glycogen from glucose trophoblast - is the wall of the blastocyst that becomes the placenta allele - An alternative form of a gene. BB - homozygous dominant Bb - Heteroxygous recessive in the fallopian tubes - Where does fertilization occur? fetus - the developing human organism from 9 weeks after conception to birth positive feedback - Nipple stimulation causes...

Embryology Practice Questions with Answers 1. The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the: A. capacitor B. head C. corona D. acrosome E. cumulus - D. is correct. The acrosome is the part of the sperm containing proteolytic enzymes to digest the zona pellucida. It is exposed by the process of capacitation. Then, under the influence of substances released by corona radiata cells, it releases its proteolytic enzymes and penetrates the oocyte....

CNUR 303 Exam Questions and Answers 100% Pass Recommended weight gain for singleton pregnancy - Answer- 11.5-16kg 25-35lbs hCG - Answer- Human Chorionic Gonadotropin a hormone secreted by the trophoblast cells of placenta stimulates estrogen and progesterone Estrogen - Answer- uterus and breast enlargement Progesterone - Answer- A hormone produced by the ovaries acts with estrogen to bring about the mensural cycle maintains endometrium and inhibits contractions Relaxin - Answer- soften...

NARM PRACTICE: EMBRYONIC AND FETAL DEVELOPMENT QUESTIONS AND ANSWERS, GRADED A+ 24-28 weeks from conception (26-30 weeks from LMP) - -Legally "viable," eyelids open, and respiratory movements are present 28-32 weeks from conception (30-34 weeks from LMP) - -Fetus begins to store fat and iron. Lanugo disappears from face. Testes descend into scrotum. Skin becomes less wrinkled. 32-36 weeks from conception (34-38 weeks gestation) - -Increased fat, lanugo disappears from body, plantar 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...

What are the phases of menstrual cycle? - menstruation, follicular phase, ovulation, luteal phase, and ischemic phase. How many hours does an ovum need to be capable of fertilization? - 24 hours. (48 hours the most). Total critical span during sex must occur for fertilization to be successful is - 72 hours or 48 hours before ovulation, plus 24 hours afterward. Eggs are propelled into fallopian tubes (ampulla) by: - fimbriae, peristalsis of tube, and cilia of tube. What is the zona pelluc...

NURS 2421C Maternity Final Review 2023/2024 - Keiser University. Maternity Final Review 1. Reproductive a. Review A & P i. Female → ii. Male → b. Review Hormones r/t to women/maternity i. Estrogen: regulates menstrual cycle, maintains pregnancy, keeps bones strong, female sex characteristics ii. Progesterone: at puberty causes maturation of mammary gland tissue. Facilitate growth of embryo. prepares endometrium for potential pregnancy, helps in prep of breasts for milk production ...

Craniofacial Biology Exam 1 with Latest Questions and Answers fertilization occurs where? ANSWER ampullary portion of fallopian tube tube cleavage = ? ANSWER cell division first cleavage occurs when? How many blastomeres produced? ANSWER 24 hr 2 blastomeres T/F each division increase in number but not is size ANSWER true blastocyst forms from what? and via what process? ANSWER morula compaction what are the two parts of blastocyst? ANSWER 1. trophoblast 2. inner cell mass...

Human Chorionic Gonadotropin - correct answer hCG is a glycoprotein secreted by the syncytiotrophoblast cells of the trophoblast; during the first trimester of pregnancy, the serum beta hCG normally doubles every 48 hours (2 days). In the presence of an ectopic pregnancy, approximately 80% of serum beta hCG has abnormal doubling beta (low doubling time, remain the same, or decrease slightly). A constant decreasing serial quantitative serum beta hCG in the first trimester is indicative of an abn...

NSG222 / NSG 222 EXAM 1 (LATEST 2024 / 2025 UPDATE): FAMILY NURSING | REVIEW WITH QUESTIONS AND VERIFIED ANSWERS | 100% CORRECT | GRADE A - HERZING zygotic stage fertilization of sperm and egg through the second week Blastocyst stage zygote divides into a solid ball of cells which attaches to the uterus Embryonic stage major organs and structures begin to emerge by end of the second week through the eighth week fetal stage differentiation and structures specialize by end of the eighth we...