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 C
Explanation
A. A sudden, explosive, disorderly charge of neurons causes a transient aberration in brain function: This describes the pathophysiology of seizures, not myasthenia gravis.
B. Loss of the myelin sheath surrounding peripheral nerves causes asymmetric weakness: This describes multiple sclerosis, not myasthenia gravis.
C. Destruction of acetylcholine receptors causes muscle weakness with prolonged activity: Myasthenia gravis is an autoimmune disease where antibodies attack acetylcholine receptors at the neuromuscular junction, leading to muscle weakness, especially after repeated use.
D. A bacterial inflammatory illness that causes headache and photophobia: This describes meningitis, not myasthenia gravis.
Correct Answer is D
Explanation
A. Colon polyps: Colon polyps are not treated with antibiotics or antacids and are unrelated to Helicobacter pylori infection.
B. Atrophic gastritis: Atrophic gastritis involves chronic inflammation and thinning of the stomach lining and is not typically treated with antibiotics for Helicobacter pylori.
C. Intussusception of the small bowel: Intussusception is a condition where part of the intestine telescopes into itself and is not related to Helicobacter pylori.
D. Peptic ulcer disease: Peptic ulcer disease, especially gastric or duodenal ulcers, is commonly associated with Helicobacter pylori infection, which is treated with antibiotics and antacids.
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