A 25-year-old female presents with amenorrhea and hirsutism and is diagnosed with polycystic ovary syndrome (PCOS). Lab testing will most likely reveal:
genetic cancerous mutations.
hyperinsulinemia
cortisol excess.
estrogen deficit.
The Correct Answer is B
Choice A rationale: PCOS is not typically associated with genetic cancerous mutations.
Choice B rationale: Insulin resistance and hyperinsulinemia are commonly associated with PCOS, contributing to its pathophysiology.
Choice C rationale: While cortisol abnormalities can cause similar symptoms, it's not a primary finding in PCOS.
Choice D rationale: PCOS often involves hormonal imbalances, but it's not characterized by an estrogen deficit.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale: Tachycardia and petechiae over the chest wall and buccal membranes are signs of fat embolism syndrome, another complication of fractures that occurs when fat globules enter the bloodstream and obstruct pulmonary vessels.
Choice B rationale: Positive Homan's sign with calf tenderness and warmth are signs of deep vein thrombosis, a condition that can occur after prolonged immobilization or surgery.
Choice C rationale: Acute cough, cyanosis, and decreased blood pressure are signs of pulmonary embolism, a life-threatening condition that occurs when a blood clot travels to the lungs and blocks blood flow.
Choice D rationale: These are signs of compartment syndrome, which is a serious complication of fractures that occurs when increased pressure within a closed space compromises blood flow and tissue perfusion. Compartment syndrome can lead to ischemia, necrosis, and nerve damage if not treated promptly.
Correct Answer is B
Explanation
Choice A rationale: Metformin does not significantly affect insulin release from the pancreas or glucagon secretion but reduces glucose production by the liver and enhances insulin sensitivity in tissues.
Choice B rationale: Metformin primarily works by reducing glucose production in the liver and improving the body's response to insulin, thereby lowering blood sugar levels.
Choice C rationale: Metformin does not notably slow carbohydrate absorption in the small intestine.
Choice D rationale: Metformin does not directly increase insulin production from the pancreas.
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