Neural induction Study guides, Class notes & Summaries

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...

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...

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...

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...

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...

CMMB 403 Final Exam Actual Questions and Answers with complete solution What are the origins of the optic vesicle and the lens? - answeroptic vesicle = forebrain (neural ectoderm) lens = surface epidermis --> placode Describe the process of lens induction - answer1. the optic vesicle (forebrain) induces thickening of the surface epidermis (prospective lens placode) 2. the optic vesicle pinches in to form the optic cup and the lens invaginate as well (lens placode comes into contact w/...

Women's Health EOR questions and answers with rated solutions A 15-year-old sexually active female presents with non-pruritic mucopurulent cervicitis and post coital bleeding. She was given medication for the same symptoms three weeks ago but reports she did not take it. Which of the following is the best treatment? A azithromycin x 1 dose B benzathine penicillin G x 1 dose C doxycycline x 7 days D tetracycline x 14 days A The patient has Chlamydia trachomatis, one of the the most comm...

Embryology 2023 Exam 2 Objectives: Lectures 9 (part)-16 | with complete solution Nodal is a signaling molecule produced by the primitive node. What is its role in the induction of the primitive streak and the establishment of left-right symmetry? It induces primitive streak and helps to establish left-right symmetry. It is a symmetry breaking molecule in the left side of the embryo. What is the first sign of asymmetry in early development? What roles are played by Nodal and Left-1? Involve...