Neural induction Study guides, Revision notes & Summaries

what is embryology? the study of prenatal development Embryo is what time period of development? 2nd to 8th week development Fetus is what time period of development? 9th week to birth what is development? maturation, becoming older what is growth? increase in weight or special dimension (increase in cell numbers, cell size or cell productions) facial development beings when? 4th week what is congenital malformation? birth defects congeni...

AWHONN PEOP Perinatal Final Review 2024 Questions and Answers Fully solved.Swiss cheese is often used as the paradigm for explaining medical error. In this model, the holes in the cheese represent latent weaknesses You are assigned to a patient who is at 38 weeks and 6 days gestation. She is being admitted for an elective induction of labor because her husband is going on an extended business trip in 2 days and he wants to be present for the delivery. The hospital has no policy regarding...

What is an example of incomplete dominance? - Answer-A red and white snapdragon making a pink offspring What is an example of co-dominance? - Answer-Blood cells. What is Pleiotropy? - Answer-When a gene affects more than one phenotypic character. What is the norm of reaction? - Answer-The range of phenotypic possibilities What are some example of polygenic inheritance? - Answer-Skin color and height Norms of reactions are broadest for _____________ characters - Answer-polygenic Genetic t...

Ectoderm doesn't move through the __________ or __________ - CORRECT ANSWER 1) blastopore (frogs and fishes) or 2) primitive streak (birds and humans) Sensory organs all begin in the head as... - CORRECT ANSWER placode - thickenings of surface ectoderm what are 4 types of cell interactions? - CORRECT ANSWER 1) Internal/mechanical 2) Juxtacrine signaling 3) Paracrine signaling 4) Endocrine signaling Note: these are arranged in order of closest interaction to longest distance interactio...

Origin of osteoclasts correct answers Monocytes-macrophage lineage; mutation leads to osteopetrosis or excess bone deposition Porphyria cutanea tarda correct answers Severe cutaneous photo sensitivity with blistering and hyperpigmentation after exposure to sunlight Most common of the porphyrias Caused by decreased activity of uroporphyrinogen decarboxylase (defective heme synthesis) Clearance of viruses correct answers MHC class I viral peptide complex presentation with subsequent activ...

RNC-OB Exam Test Bank 2023/2024 Questions and Detailed Answers. 1. Late in pregnancy, a patient often develops supine hypotension because of a. partial occlusion of the vena cava and aorta. b. decreased peripheral collateral circulation. c. increased blood flow to the placenta. - A because of partial occlusion of the vena cava and aorta from the weight of the uterus. This impedes venous return from the lower extremities although increased collateral circulation during pregnancy helps to c...

The absolute refractory period occurs because _______ channels cannot be opened, and the relative refractory period occurs because _______. - voltage-gated Na+; voltage-gated K+ channels remain open Dendritic spines serve to - increase the surface area of the dendrite Many ion channels are not normally open but must be gated or opened by some event. Which of the following is NOT an example of an event that typically results in opening/closing an ion channel? - Enzymatic reactions Neural...

comprehensive health history, baseline labs, education - What are the things important to address at the initial prenatal visit? environmental factors, malnutrition, DM, chromosomal defects, maternal hyperthermia, clomid induction, and maternal obesity - What are the risks for neural tube defects? 10-12 weeks - When is genetic screening through chorionic villi sampling performed? 15-18 weeks - When is genetic screening through amniocentesis performed? q 4 weeks until 28 w...

RNC-OB Exam Test Bank 2023/2024 Questions and Detailed Answers. 1. Late in pregnancy, a patient often develops supine hypotension because of a. partial occlusion of the vena cava and aorta. b. decreased peripheral collateral circulation. c. increased blood flow to the placenta. - A because of partial occlusion of the vena cava and aorta from the weight of the uterus. This impedes venous return from the lower extremities although increased collateral circulation during pregnancy helps to c...

RNC-OB Exam Test Bank 2023/2024 Questions and Detailed Answers. 1. Late in pregnancy, a patient often develops supine hypotension because of a. partial occlusion of the vena cava and aorta. b. decreased peripheral collateral circulation. c. increased blood flow to the placenta. - A because of partial occlusion of the vena cava and aorta from the weight of the uterus. This impedes venous return from the lower extremities although increased collateral circulation during pregnancy helps to c...