Walden NUR6501 week 1 quiz all correct

Advanced Patho Quiz # 1

• Question 1

 How are potassium and sodium transported across plasma membranes?

• Question 2

1 out of 1 points

What causes the rapid change in the resting membrane potential that initiates an action potential?

• Question 3

1 out of 1 points

A patient wants to know the risk factors for Down syndrome. What is the nurse’s best response?

• Question 4

 In teaching a patient with cirrhosis, which information should the nurse include regarding cholesterol?

• Question 5

1 out of 1 points

During childhood, the thymus decreases in size, and this is referred to as _____ atrophy.

• Question 6

1 out of 1 points

A nurse is reviewing the pedigree chart. When checking for a proband, what is the nurse looking for?

• Question 7

 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?

• Question 8

1 out of 1 points

A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal which of the following?

• Question 9

1 out of 1 points

When a patient asks what causes cystic fibrosis, how should the nurse respond? Cystic fibrosis is caused by an _____ gene.

• Question 10

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?

• Question 11

1 out of 1 points

Why is potassium able to diffuse easily in and out of cells?

• Question 12

1 out of 1 points

What is the role of cytokines in cell reproduction?

• Question 13

0 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?

• Question 14

1 out of 1 points

A 50-year-old male was recently diagnosed with Huntington disease. Transmission of this disease is associated with:

• Question 15

1 out of 1 points

The nurse is teaching staff about the most common cause of Down syndrome. What is the nurse describing?

• Question 16

1 out of 1 points

A patient has severe mental retardation caused by a deletion of part of chromosome 5. What genetic disorder will the nurse see documented in the chart?

• Question 17

 A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained?

• Question 18

 The nurse would be correct in identifying the predominant extracellular cation as:

• Question 19

 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?

• Question 20

 A patient who has diarrhea receives a hypertonic saline solution intravenously to replace the sodium and chloride lost in the stool. What effect will this fluid replacement have on cells?

• Question 21

 The early dilation (swelling) of the cell’s endoplasmic reticulum results in:

• Question 22

 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).

• Question 23

 A 13-year-old girl has a karyotype that reveals an absent homologous X chromosome with only a single X chromosome present. What medical diagnosis will the nurse observe on the chart?

• Question 24

 Sodium and water accumulation in an injured cell are a direct result of:

• Question 25

 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?