Nondisjunction Study guides, Class notes & Summaries

T13 correct answers Nondisjunction; 1 in 12,000 SGA, MCA: hypotelorism, CLP, heart, brain and kidney defects RR is 1% T18 correct answers Nondisjunction; 1 in 6,000 SGA, MCA: prominent occiput, tightly clenched fingers, heart and brain defects Choroid plexus cyst on u/s RR is 1% T21 correct answers MATERNAL nondisjunction (90%); 5% translocation 21;**usually 14**; 2% mosaic T21 1 in 800 Hypotonic, heart (50%) and GI defects common Mild to moderate ID Immunodeficiency, leukemia com...

Chapter: Midterm Multiple Choice 1. Which of the following cellular exchange mechanisms requires adenosine triphosphate (ATP) and the use of a carrier protein? A) Facilitated diffusion B) Osmosis C) Active transport D) Simple diffusion Ans: C Complexity: Easy Ahead: Basic Cell Function and Structure Subject: Chapter 1 Title: Cellular Function 2. What is a key determinant of osmotic pressure? A) Water B) Sodium C) Albumin D) Glucose Ans: B Complexity: Easy Ahead: Basic Cell Fu...

Pathophysiology Exam 1 Questions and Answers Already Passed An ordered photographic display of a set of chromosomes from a single cell is a(n): A) metaphase spread. B) autosomal spread. C) karyotype. D) anaphase spread. c An error in which homologous chromosomes fail to separate during meiosis is termed: A) aneuploidy. B) nondisjunction. C) polyploidy. D) anaplasia. b A somatic cell that does not contain a multiple of 23 chromosomes is called: A) an aneuploid cell. B) a eup...

Down syndrome Correct Answer-- Most common cause is Maternal nondisjunction. - Risk factors: Pregnancy in women over age 35 - Newborn has the distinctive physical features of trisomy 21, which includes upward slating of the eyes. Down syndrome is characterized by distinctive characteristics Correct Answer-nasal bridge, epicanthal folds, protruding tongue, and low-set ears. Physical exam reveals a murmur and an echocardiogram confirms a ventricular septal defect Correct Answer-Down synd...

WGU pathophysiology D236-Exam Questions and Answers 2022/2023 What is Starling's Law of Capillary forces? How does this explain why a nutritionally deficient child would have edema? - ANSWER Starling's Law describes how fluids move across the capillary membrane. There are two major opposing forces that act to balance each other, hydrostatic pressure (pushing water out of the capillaries) and osmotic pressure (including oncontic pressure, which pushes fluid into the capillaries). Bot...

In regards to chromosomal mutation, nondisjunction is known as what? - Failure of homologous chromosomes to separate during cell division What is an example of an autosomal-dominant disease? - Huntington's disease What is an example of an autosomal-recessive disease? - Cystic fibrosis What is an example of an X-linked condition? - Red - green color blindness What is an example of multifactorial inheritance? - Pyloric stenosis Knowing physiologic signs of injury you might expect the follow...

ATI Med Surg Test Questions Overview of Genetics and Genomics in Nursing 100%Correct Answers 2024. 1. A baby is born with what the physician believes is a diagnosis of trisomy 21. This means that the infant has three number 21 chromosomes. What factor describes the etiology of this genetic change? a. The mother also has genetic mutation of chromosome 21. b. The patient has a nondisjunction occurring during meiosis. c. During meiosis, a reduction of chromosomes resulted in 23. d. The patie...

karyotyping - number and type of chromosome present Barr body - -condensed inactive X chromosome near nucleus of cell -all females have 1 Barr body nondisjunction - failure of chromosomes to separate during meiosis autosomal nondisjunction - -failure of chromosomes (other than sex chromosomes) to separate during meiosis -exs: trisomy 21, trisomy 18 translocation - portion of one chromosome is transferred to another (usually nonhomologous) abnormal egg (XX) x normal sperm (X) - -zygote: X...

CMMB 413 MT 2 Question and answers correctly solved 2024 Underlying mechanism of abnormal chromosome segregation: - correct answer Nondisjunction Underlying mechanism of recurrent chromosome syndromes: - correct answer Recombination at segmental duplications Underlying mechanism of idiopathic chromosome abnormalities: - correct answer Sporadic, variable breakpoints Spontaneous/de novo. Sometimes of unknown origin. - correct answer Idiopathic Underlying mechanism of unbalanced f...

WGU D115 FINAL EXAM STUDY GUIDE 2024/ACTUAL EXAM QUESTIONS WITH CORRECT VERIFIED ANSWERS/100% PASS GUARANTEE What is the most common cause of down syndrome - Maternal nondisjunction What syndrome characterized by absent homologous X chromosome With only a single X- chromosome Exhibit features include Short stature Widely spaced nipples And webbed neck - Turner syndrome