Which of the following hormones is secreted by the thyroid gland?
Renin
Brain natriuretic peptide (BNP)
Erythropoietin
Calcitonin
The Correct Answer is D
Choice A reason: Renin, from the kidneys, regulates blood pressure via angiotensin, not a thyroid product, unrelated to its metabolic or calcium functions.
Choice B reason: BNP, secreted by the heart, reduces volume overload in heart failure, not a thyroid hormone, distinct from its endocrine role.
Choice C reason: Erythropoietin, from kidneys, stimulates red blood cell production, not produced by the thyroid, which focuses on metabolism and calcium.
Choice D reason: Calcitonin, from thyroid parafollicular cells, lowers blood calcium by inhibiting bone resorption, a key thyroid hormone alongside T3/T4.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Albumin and furosemide treat fluid shifts or edema, not acute diverticulitis, which requires bowel rest, not volume or protein correction initially.
Choice B reason: High fiber aids chronic diverticulosis, but in acute diverticulitis, it worsens inflammation; rest, not fiber, is needed during active infection.
Choice C reason: NPO and IV fluids rest the bowel, reducing inflammation and perforation risk in acute diverticulitis, while maintaining hydration, the standard approach.
Choice D reason: Barium enema risks perforation in acute diverticulitis due to inflamed diverticula; it’s contraindicated until inflammation subsides, not ordered acutely.
Correct Answer is ["A","D","E"]
Explanation
Choice A reason: Barrel chest develops in emphysema from chronic air trapping, overexpanding lungs and flattening the diaphragm, altering thoracic shape over years.
Choice B reason: Edema relates to right heart failure from cor pulmonale, a late emphysema complication, not a direct or universal finding after five years.
Choice C reason: Productive cough is typical in chronic bronchitis, not emphysema, which features alveolar destruction and minimal mucus, leading to dry cough instead.
Choice D reason: Dyspnea in emphysema results from alveolar loss reducing oxygen exchange, forcing compensatory rapid breathing, a core symptom even after five years.
Choice E reason: Clubbed fingers occur in chronic hypoxia from emphysema, as poor oxygenation over years triggers nail bed angiogenesis, a common late finding.
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