During a workshop, a pathophysiology instructor is teaching a group of students about hypothyroidism. Which statement identifies why hypothyroidism is rarely seen in the U.S. (United States)?
Genetic predisposition to the illness is rare in North American populations.
The addition of iodide to salt helps lower the incidence in the US.
There are better screening tools in the U.S. than in other countries.
There are better medications more readily available to US citizens.
The Correct Answer is B
A. Decreased respirations and CO2 retention: A thyrotoxic crisis (thyroid storm) typically involves increased, not decreased, respiratory rates and CO2 retention due to increased metabolic activity.
B. Seizures and extreme tachycardia: Thyrotoxic crisis is characterized by severe symptoms including extreme tachycardia, fever, and potentially seizures due to excessive thyroid hormone levels.
C. Constipation and a swollen abdomen: Constipation and abdominal swelling are more typical of hypothyroidism rather than a thyrotoxic crisis.
D. Hypotension and bradycardia: Thyrotoxic crisis usually causes tachycardia and hypertension rather than bradycardia and hypotension.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Paralytic ileus: Paralytic ileus is a common complication of major abdominal surgery and prolonged bed rest. It is a temporary cessation of normal bowel peristalsis, leading to a lack of bowel sounds and the inability to pass gas or stool.
B. Esophageal dysplasia: This condition refers to abnormal changes in the cells of the esophagus, typically related to chronic gastroesophageal reflux disease (GERD), not prolonged bed rest.
C. Gastroparesis: This is a condition in which the stomach cannot empty itself of food in a normal fashion, often related to diabetes or damage to the vagus nerve. It is not a direct result of prolonged bed rest.
D. Paralytic ileum: This should refer to "paralytic ileus."
Correct Answer is C
Explanation
A. The brain cells became edematous because of a blood to tissue shift of fluid: This describes cerebral edema, which is not typically caused by hyperglycemia.
B. Hyperinsulinemia caused hypoglycemia and a tonic-clonic seizure: The scenario describes hyperglycemia, not hypoglycemia.
C. The brain cells became dehydrated because of fluid shifting out of the cells:. In hyperglycemic hyperosmolar syndrome (HHS), extremely high blood glucose leads to increased serum osmolality, causing water to move out of brain cells, leading to dehydration and altered consciousness.
D. Fluid volume overload caused higher pressure in the brain tissue: Fluid volume overload is not the primary issue in this scenario; rather, dehydration is the concern due to hyperglycemia.
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