NURS 6501N Week 1 Quiz QUESTION AND ANSWER

• Question 1 1 out of 1 points An aide asks the nurse why people who have neurofibromatosis will show varying degrees of the disease. Which genetic principle should the nurse explain to the aide? Selected Answer: b. Expressivity Correct Answer: b. Expressivity Question 1 0 out of 0 points When completing this quiz, did you comply with Walden University’s Code of Conduct including the expectations for academic integrity? Selected Answer: Yes Correct Answer: Yes Question 2 1 out of 1 points A cell is isolated, and electrophysiology studies reveal that the resting membrane potential is –70 millivolts. The predominant intracellular ion is Na+, and the predominant extracellular ion is K +. With voltage change, which of the following would result in an action potential? Selected Answer: b. Na + rushing into the cell Correct Answer: b. Na+ rushing into the cell Question 3 1 out of 1 points A nurse is discussing the movement of fluid across the arterial end of capillary membranes into the interstitial fluid surrounding the capillary. Which process of fluid movement is the nurse describing? Selected Answer: a. Hydrostatic pressure Correct Answer: a. Hydrostatic pressure Question 4 1 out of 1 points What is the role of cytokines in cell reproduction? Selected Answer: a. Provide growth factor for tissue growth and development Correct Answer: a. Provide growth factor for tissue growth and development Question 5 1 out of 1 points Sodium and water accumulation in an injured cell are a direct result of: Selected Answer: a. Decreased ATP production Correct Answer: a. Decreased ATP production Question 6 1 out of 1 points A 20-year-old pregnant female gives birth to a stillborn child. Autopsy reveals that the fetus has 92 chromosomes. What term may be on the autopsy report to describe this condition? Selected Answer: c. Tetraploidy Correct Answer: c. Tetraploidy Question 7 1 out of 1 points An aide asks the nurse why people who have neurofibromatosis will show varying degrees of the disease. Which genetic principle should the nurse explain to the aide? Selected Answer: b. Expressivity Correct Answer: b. Expressivity Question 8 1 out of 1 points In teaching a patient with cirrhosis, which information should the nurse include regarding cholesterol? Selected Answer: a. Cholesterol decreases the membrane fluidity of the erythrocyte, which reduces its ability to carry oxygen. Correct Answer: a. Cholesterol decreases the membrane fluidity of the erythrocyte, which reduces its ability to carry oxygen. Question 9 1 out of 1 points A 50-year-old male was recently diagnosed with Huntington disease. Transmission of this disease is associated with: Selected Answer: d. Delayed age of onset Correct Answer: d. Delayed age of onset Question 10 1 out of 1 points 55-year-old male has swelling of the feet. Which of the following aided in development of swelling? Selected Answer: c. Na + movement into the cell Correct Answer: c. Na+ movement into the cell Question 11 1 out of 1 points A newborn male is diagnosed with albinism based on skin, eye, and hair appearance. Which finding will support this diagnosis? Selected Answer: Inability to convert tyrosine to DOPA (3,4 dihydroxyphenylalanine) Correct Answer: Inability to convert tyrosine to DOPA (3,4 dihydroxyphenylalanine) Question 12 1 out of 1 points The ion transporter that moves Na + and Ca 2+ simultaneously in the same direction is an example of which of the following types of transport? Selected Answer: d. Symport Correct Answer: d. Symport Question 13 1 out of 1 points A group of prison inmates developed tuberculosis following exposure to an infected inmate. On examination, tissues were soft and granular (like clumped cheese). Which of the following is the most likely cause? Selected Answer: c. Caseous necrosis Correct Answer: c. Caseous necrosis Question 14 1 out of 1 points A nurse is teaching a patient with diabetes how glucose is transported from the blood to the cell. What type of transport system should the nurse discuss with the patient? Selected Answer: d. Passive-mediated transport (facilitated diffusion) Correct Answer: d. Passive-mediated transport (facilitated diffusion) Question 15 1 out of 1 points What principle should the nurse remember when trying to distinguish aging from diseases? Selected Answer: a. It is difficult to tell the difference because both processes are believed to result from cell injury. Correct Answer: a. It is difficult to tell the difference because both processes are believed to result from cell injury. Question 16 1 out of 1 points The nurse would be correct in identifying the predominant extracellular cation as: Selected Answer: a. Sodium Correct Answer: a. Sodium Question 17 1 out of 1 points A nurse is reviewing the pedigree chart. When checking for a proband, what is the nurse looking for? Selected Answer: a. The person who is first diagnosed with a genetic disease Correct Answer: a. The person who is first diagnosed with a genetic disease Question 18 1 out of 1 points Which of the following mutations have the most significant effect on protein synthesis? Selected Answer: d. Frameshift mutations Correct Answer: d. Frameshift mutations Question 19 1 out of 1 points A 55-year-old male with a 30-year history of smoking is examined for respiratory disturbance. Examination of his airway (bronchial) reveals that stratified squamous epithelial cells have replaced the normal columnar ciliated cells. This type of cellular adaptation is called: Selected Answer: c. Metaplasia Correct Answer: c. Metaplasia Question 20 1 out of 1 points A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained? Selected Answer: c. Nucleolus Correct Answer: c. Nucleolus Question 21 1 out of 1 points During childhood, the thymus decreases in size, and this is referred to as _____ atrophy. Selected Answer: a. Physiologic Correct Answer: a. Physiologic Question 22 1 out of 1 points A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance? Selected Answer: c. Anaerobic glycolysis Correct Answer: c. Anaerobic glycolysis Question 23 1 out of 1 points A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal which of the following? Selected Answer: d. XXY Correct Answer: d. XXY Question 24 1 out of 1 points A patient has a heart attack that leads to progressive cell injury that causes cell death with severe cell swelling and breakdown of organelles. What term would the nurse use to define this process? Selected Answer: d. Necrosis Correct Answer: d. Necrosis Question 25 1 out of 1 points After a geneticist talks to the patient about being a chromosomal mosaic, the patient asks the nurse what that means. How should the nurse respond? You may _____ genetic disease(s). Selected Answer: b. Have a mild form of the Correct Answer: b. Have a mild form of the Question 26 1 out of 1 points The nurse is teaching staff about the most common cause of Down syndrome. What is the nurse describing? Selected Answer: c. Maternal nondisjunction Correct Answer: c. Maternal nondisjunction Monday, March 4, 2019 12:43:24 AM EST