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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?
What causes the rapid change in the resting membrane potential that initiates an action potential?
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?
A 50-year-old male was recently diagnosed with Huntington disease. Transmission of this disease is associated with:
A 15-year-old female is diagnosed with Prader-Willi syndrome. This condition is an example of:
The nurse is teaching staff about the most common cause of Down syndrome. What is the nurse describing?
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?
The ion transporter that moves Na+ and Ca2+ simultaneously in the same direction is an example of which of the following types of transport?
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?
When a patient asks what causes cystic fibrosis, how should the nurse respond? Cystic fibrosis is caused by an _ gene.
A nurse is reading a chart and sees the term oncotic pressure. The nurse recalls that oncotic pressure (colloid osmotic pressure) is determined by:
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).
What is the role of cytokines in cell reproduction?
The student is reviewing functions of the cell. The student would be correct in identifying the primary function of the nerve cell as:
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?
Sodium and water accumulation in an injured cell are a direct result of:
A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained?
What principle should the nurse remember when trying to distinguish aging from diseases?
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:
55-year-old male has swelling of the feet. Which of the following aided in development of swelling?
A patient wants to know the risk factors for Down syndrome. What is the nurse’s best response?
A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance?
The nurse would be correct in identifying the predominant extracellular cation as:
How are potassium and sodium transported across plasma membranes?
A newborn male is diagnosed with albinism based on skin, eye, and hair appearance. Which finding will support this diagnosis?
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