NURS 6501N Week 1 Quiz – Question and Answers
Walden University NURS 6501N Week 1 Quiz – Question and Answers (Correct Answers).
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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 2
1 out of 1 points
Why is potassium able to diffuse easily in and out of cells?
Selected Answer: c.
Because the resting plasma membrane is more permeable to potassium
Correct Answer: c.
Because the resting plasma membrane is more permeable to potassium
Question 3
1 out of 1 points
A 15-year-old female is diagnosed with Prader-Willi syndrome. This condition is an example of:
Selected Answer: a.
Gene imprinting
Correct Answer: a.
Gene imprinting
Question 4
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:
Selected Answer: b.
Plasma proteins
Correct Answer: b.
Plasma proteins
Question 5
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 6
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 7
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.
Selected Answer: d.
Autosomal recessive
Correct Answer: d.
Autosomal recessive
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?
Selected Answer: d.
Necrosis
Correct Answer: d.
Necrosis
Question 9
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 10
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 11
1 out of 1 points
How are potassium and sodium transported across plasma membranes?
Selected Answer: c.
By adenosine triphosphate enzyme (ATPase)
Correct Answer: c.
By adenosine triphosphate enzyme (ATPase)
Question 12
1 out of 1 points
The early dilation (swelling) of the cell’s endoplasmic reticulum results in:
Selected Answer: c.
Reduced protein synthesis
Correct Answer: c.
Reduced protein synthesis
Question 13
1 out of 1 points
The ion transporter that moves Na+ and Ca2+ 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 14
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 15
1 out of 1 points
A patient wants to know the risk factors for Down syndrome. What is the nurse’s best response?
Selected Answer: d.
Pregnancy in women over age 35
Correct Answer: d.
Pregnancy in women over age 35
Question 16
0 out of 1 points
The student is reviewing functions of the cell. The student would be correct in identifying the primary function of the nerve cell as:
Selected Answer: b.
Conductivity
Correct Answer: d.
Communication
Question 17
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 18
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 19
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 20
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 21
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 22
1 out of 1 points
What is the diagnosis of a 13-year-old female who has a karyotype that reveals an absent homologous X chromosome with only a single X chromosome present? Her features include a short stature, widely spaced nipples, reduced carrying angle at the elbow, and sparse body hair.
Selected Answer: c.
Turner syndrome
Correct Answer: c.
Turner syndrome
Question 23
0 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: a.
K+ rushing into the cell
Correct Answer: b.
Na+ rushing into the cell
Question 24
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 25
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 26
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 [Show Less]