Genetics and Genomics Midterm Exam Questions & Answers 2024

American Nurses Association's (ANA's) Code of Ethics - Ethical principles for professional nursing practice in a clinical setting are guided by the principles of conduct that are written as the Determining carrier status for certain genetic disorders - Genetic variation provides the basis of various DNA tests used for: Disorders in which both genes of a pair must be abnormal for the disorder to be expressed - What best describes the pattern of genetic transmission known as autosomal recessive inheritance? Higher risk for developing diabetes mellitus - An expecting mother comes into a prenatal clinic for the first time. She asks the nurse if smoking cigarettes could cause harm to her baby. The nurse knows that which of the following is not a problem during pregnancy caused by maternal smoking? All females will inherit and express the gene - All of the following is true for X- linked recessive inheritance except Oranges & dark green leafy vegetables - The nurse is teaching a client who has iron deficiency anemia about foods she should include in her diet. The nurse determines that the client understands the diet modifications if which foods are selected from the menu? The mother and fetus have Rh incompatibility - A mother has all healthy prenatal lab tests during her visits to her OB/GYN and carries her baby to term. Upon delivery, the newborn is jaundice with low RBC.. what could be the cause of this? The chances that her baby is colorblind depend on the sex of the baby. - An expectant mother tells her nurse that her father is colorblind. Because the nurse knows the pattern of inheritance that colorblindness follows, the nurse should inform her patient that A mother whose blood tests Rh- and is pregnant with her second child. The father is Rh+. - In which case would the mother be given a preventative RhoGAM shot during prenatal care? Genetics and Genomics Midterm Exam Questions & Answers 2024 Explain and interpret correctly the purpose, implications, and results of genetic tests - The nurse's role is constantly evolving and adapting as more and more information is acquired from the Human Genome Project, and technology advances. Which statement best describes the nurse's role in the "genomic era" we're living in? Phenylketonuria - Which disease in treated in part by a low-phenylalanine diet? Tay-sachs is autosomal recessive, so both parents must be carriers for the baby to even have a one-in-four chance to get the disease - A nurse enters a patient exam room at an OB/GYN office and finds that her pregnant patient, expecting her first child, is visibly upset. The nurse learns that the patient has been told that she is a carrier of Tay-Sachs disease, and she is devastated that her child will die young. Which of the following statements would be appropriate by the nurse? Mutation of several gene traits interacting with environmental conditions. - A nurse is offering genetic counseling to a patient who has diabetes. Which statement best illustrates the nature of this disorder? Translocation - Which term refers to the process where unequal crossing over or abnormal segregation of homologous chromosomes results in a chromosome having a missing segment? I must also be a carrier of the gene, so my child will only be affected if it's a boy. - A woman at the prenatal clinic states that her brother has red-green colorblindness. The nurse knows that the mother is aware of how this could affect her child when she says: Simian crease - A mother-to-be visits her physician for a prenatal visit. The physician states that after doing testing her baby is said to have Down Syndrome. What is one characteristic of Down Syndrome in a newborn? This is the mothers second birth with a child who is Rh positive - You are a nurse on an OB floor. You have a patient whose blood is Rh negative. Through testing, the baby happens to be Rh positive. From your knowledge in Anatomy and in Genetics and Genomics, what factor could most influence the child's health once she is born? Folate - You are a nurse educating a pregnant woman on teratogens. You educate her that all of the following substances are harmful to the developing baby except? The outcome of past pregnancies does not have an effect on your current one or on future ones. - You are a nurse in a prenatal clinic and an expectant mother is pregnant with her second child. She is worried that her baby will also have the genetic condition that her first-born child inherited. What statement should the nurse make in response to her concern? They affect males and females equally - Which statement made by a parent indicates correct understanding of autosomal recessive disorder? "My patient has brown eyes" - The student nurse is doing a case study on her patient's physical and genetic traits. The nurse demonstrates that she understands what a phenotype is when she says: A person with the blood type O+ can only receive blood from someone with the blood type O+. - You are educating a group of outpatients about ABO blood typing and compatibility. Which statement is INCORRECT? Your daughter will most likely grow up to be of short stature without secondary sex characteristics and most likely will be infertile. - A mother just discovered her future child has an incidence of monosomy x on the 23rd pair of chromosomes. What potential teaching can the nurse provide to the mother? Parental age is a big factor, mothers over 35 have an increased risk - A patient comes into the clinic for her first ultrasound and states." I've read online about chromosomal errors, can you tell me more about them? I am so confused!" which is the correct response by the nurse? Phenotype - You are a nurse in a fertility clinic. One of your patients wants to get more information on genetics regarding their future child. The mother wants to know the likelihood of her freckles and red hair being passed down. Which term does the nurse use to describe the concept of observational expression of a specific trait or characteristic? Sickle cell disease - An African American patient comes into the hospital and the nurse comes in to take the patient's history. The nurse knows that African Americans are more at risk for: