Walden University NURS 6054 Week 1 Quiz. Questions & Answers.
Walden University NURS 6054 Week 1
NURS 6054 Week 1
Walden University NURS 6054 Week 1
... [Show More] Quiz. Questions & Answers.
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?
Answer: b. Expressivity
Question 2
1 out of 1 points
The nurse is teaching staff about the most common cause of Down syndrome. What is the nurse describing?
Answer: c. maternal nondisjunction
Question 3
1 out of 1 points
What is the role of cytokines in cell reproduction?
Answer: a. Provide growth factor for tissue growth and development
Question 4
1 out of 1 points
During childhood, the thymus decreases in size, and this is referred to as _____ atrophy.
Answer: a. Physiologic
Question 5
1 out of 1 points
Why is potassium able to diffuse easily in and out of cells?
Answer: c. Because the resting plasma membrane is more permeable to potassium
Question 6
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?
Answer: b. Na+ rushing into the cell
Question 7
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:
Answer: c. Metaplasia
Question 8
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?
Answer: d. Necrosis
Question 9
1 out of 1 points
What principle should the nurse remember when trying to distinguish aging from diseases?
Answer: a. It is difficult to tell the difference because both processes are believed to result from cell injury.
Question 10
1 out of 1 points
A nurse is reading a chart and sees the term oncotic pressure. The nurse recalls that oncotic pressure (colloid osmotic pressure) is determined by:
Answer: b. Plasma proteins
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?
Answer: Inability to convert tyrosine to DOPA (3,4 dihydroxyphenylalanine)
Question 12
1 out of 1 points
In teaching a patient with cirrhosis, which information should the nurse include regarding cholesterol?
Answer: a. Cholesterol decreases the membrane fluidity of the erythrocyte, which reduces its ability to carry oxygen.
Question 13
1 out of 1 points
What causes the rapid change in the resting membrane potential that initiates an action potential?
Answer: b. Sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive.
Question 14
1 out of 1 points
A 15-year-old female is diagnosed with Prader-Willi syndrome. This condition is an example of:
Answer: a. Gene imprinting
Question 15
1 out of 1 points
A patient wants to know the risk factors for Down syndrome. What is the nurse’s best response?
Answer: d. Pregnancy in women over age 35
Question 16
1 out of 1 points
How are potassium and sodium transported across plasma membranes?
Answer: c. By adenosine triphosphate enzyme (ATPase)
Question 17
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?
Answer: c. Caseous necrosis
Question 18
1 out of 1 points
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?
Answer: c. Turner syndrome
Question 19
1 out of 1 points
The early dilation (swelling) of the cell’s endoplasmic reticulum results in:
Answer: c. Reduced protein synthesis
Question 20
1 out of 1 points
Which of the following disorders is manifested primarily in males?
Answer: d. Klinefelter syndrome
Question 21
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).
Answer: b. Have a mild form of the
Question 22
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?
Answer: d. Symport
Question 23
1 out of 1 points
Sodium and water accumulation in an injured cell are a direct result of:
Answer: a. Decreased ATP production
Question 24
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?
Answer: c. Tetraploidy
Question 25
1 out of 1 points
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?
Answer: c. Cells will shrink.
**When completing this quiz, did you comply with Walden University’s Code of Conduct including the expectations for academic integrity?
Answer: Yes [Show Less]