Endoderm develops into - Study guides, Class notes & Summaries

What good substances cross the placental membrane? - Answer O2, CO2, H2O, bilirubin, maternal serum proteins, RBc, IgG, IgA What harmful substances cross the placental membrane? - Answer 1) viruses: rubella, HIV, measles, oral conraception, WARFARIN, DILANTIN, Xanax, cocaine, heroin, RH-antibodies What does not cross the placental membrane? - Answer maternal chplesterol, Insulin, Succinylcholine, HEPARIN, bacteria Which vessel supplies blood to the fetus? - Answer umbilical vein Whic...

What percentage of sperm cells introduced into the vagina normally reach the oocyte? correct answers Less than 1% The term syngamy refers to the ____. correct answers sperm penetrates to the zona pellucida & entry into the secondary oocyte How many days after fertilization does implantation of the blastocyst occur? correct answers 6 days At day 4 after fertilization, the solid ball of cells that has formed is called the ___. correct answers Morula Implantation usually occurs in the _...

The Process of gut rotation Questions And Answers 1. What is gastrulation? - CORRECT ANSWER-The stage following the blastula whereby the embryo develops three layers: ecto-, meso-, and endoderm. 2. What is the etymology of the word "gastrula"? - CORRECT ANSWER-It is a modern Latin word comprised of the Greek Gaster (stomach) plus the Latin diminutive ending -ula. 3. When does gastrulation take place in humans? - CORRECT ANSWER-At the 3rd week of development. 4. What is the innervatio...

NDAEB - Embryology questions with 100% correct answers graded A+ 2024/2025Primary embryonic layers - correct answer ectoderm, mesoderm, endoderm Ectoderm - correct answer outermost germ layer; produces sense organs, nerves, and outer layer of skin Mesoderm - correct answer middle germ layer; develops into muscles, and much of the circulatory, reproductive, and excretory systems Endoderm - correct answer the inner germ layer that develops into the lining of the digestive and respirat...

RNC NIC EXAM REVIEW UPDATE 2023/2024 GIR - ANS-6-8mcg/kg/min caloric intake D10 Bolus - ANS-2mL/kg Fluid Volume Bolus - ANS-10mL/kg Term Parenteral Fluid Requirement - ANS-80mL/kg/day Enteral 100-150 mlk/kg/day Preterm Parenteral Fluid Requirement - ANS-120 Enteral 150-200ml/kig/day GIR Calculation - ANS-(%dextrose x IV rate) / (6 x wt in kg) I/T ratio - ANS-%Metas + Bands / %Metas + Bands + Segs I/T ratio greater than >0.2 to >.25 suggestive of infection >0.8 associated wit...

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. 2. The ovulated mammalian oocyte is arre...

epithelial tissue - Answer Tissue that covers outside of the body and lines organs and cavities. connective tissue - Answer A body tissue that provides support for the body and connects all of its parts nervous tissue - Answer A body tissue that carries electrical messages back and forth between the brain and every other part of the body. muscular tissue - Answer Contracts and moves the various parts of the body. Matrix - Answer Innermost compartment of the mitochondrion ...

NDAEB - EmbryologyPrimary embryonic layers - correct answer ectoderm, mesoderm, endoderm Ectoderm - correct answer outermost germ layer; produces sense organs, nerves, and outer layer of skin Mesoderm - correct answer middle germ layer; develops into muscles, and much of the circulatory, reproductive, and excretory systems Endoderm - correct answer the inner germ layer that develops into the lining of the digestive and respiratory systems Stomodeum - correct answer The embryonic...

RNC NIC Exam Questions and Answers Latest Test Bank . GIR 6-8mcg/kg/min caloric intake D10 Bolus 2mL/kg Fluid Volume Bolus 10mL/kg Term Parenteral Fluid Requirement 80mL/kg/day Enteral 100-150 mlk/kg/day Preterm Parenteral Fluid Requirement 120 Enteral 150-200ml/kig/day GIR Calculation (%dextrose x IV rate) / (6 x wt in kg) I/T ratio %Metas + Bands / %Metas + Bands + Segs RNC NIC Exam Questions and Answers Latest Test Bank I/T ratio greater than >0.2 to >.25 suggestive of infect...

What does the endodermis do? - ANS regulates passage of substances from the soil into the vascular cylinder What is allelopathy? - ANS the chemical inhibition of one plant (or other organism) by another, due to the release into the environment of substances acting as germination or growth inhibitors. What is intraspecific competition? - ANS competition between members of the same species What is a deuterostome? - ANS blastopore becomes anus What is...