Mortality for patients with progeria is most commonly a result of
Atherosclerosis
Psychosis
Rapid aging
Scleroderma
The Correct Answer is A
A. Atherosclerosis, the buildup of fatty plaques in the arteries, is a common cause of death in patients with progeria. These patients experience accelerated aging, which leads to early development of cardiovascular diseases, including atherosclerosis, which contributes to their early mortality.
B. Psychosis is not typically associated with progeria. The condition primarily affects physical aging processes rather than causing psychiatric symptoms like psychosis.
C. While rapid aging is the hallmark of progeria, it is not the direct cause of death. Instead, it leads to the development of age-related diseases like cardiovascular issues, which are the main contributors to mortality.
D. Scleroderma is a condition involving the hardening of the skin and connective tissues, but it is not a direct cause of death in progeria. The primary cause of death is related to cardiovascular complications such as atherosclerosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Pain at the site of injury, such as a paper cut, is often due to the release of chemical mediators like prostaglandins, bradykinin, and histamines, which are part of the inflammatory response. These mediators increase blood flow and sensitivity in the affected area, contributing to pain. Exudate (fluid containing white blood cells and proteins) also forms at the site to aid in healing, and this can increase sensitivity.
B. Increased perfusion (blood flow) is part of the inflammatory response, but it is not the direct cause of pain. While increased blood flow helps deliver nutrients and immune cells to the site, it is the chemical mediators that cause pain.
C. Bacteria entering the wound could cause infection, but pain from a paper cut is typically related to the inflammatory response rather than infection. If infection were present, pain would usually be accompanied by other signs like redness, heat, and pus.
D. Vasoconstriction is the opposite of what happens at the site of an injury. Inflammation causes vasodilation, not vasoconstriction, to increase blood flow to the area.
Correct Answer is A
Explanation
A. Metabolic acidosis occurs when there is a deficit of bicarbonate (HCO3) in the blood, leading to a decrease in pH (below 7.35). A pH of 7.23 indicates acidosis, and the deficit of HCO3 supports a diagnosis of metabolic acidosis.
B. Respiratory acidosis is characterized by an increase in carbon dioxide (CO2) levels, which lowers pH. It is not associated with a bicarbonate deficit.
C. Metabolic alkalosis is characterized by an excess of bicarbonate or a loss of acid, leading to an elevated pH. It is the opposite of metabolic acidosis.
D. Respiratory alkalosis is caused by excessive exhalation of CO2, leading to an increase in pH, not a deficit of bicarbonate.
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