Sutures and Wound Repair/ General Surgery (ABSA) Practice Test

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Enhance your knowledge in General Surgery with our Sutures and Wound Repair test. Tackle multiple-choice questions with detailed explanations to ensure readiness for your exam!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What test is used to measure thyroid function?

CT scan
BMR
MRI
Ultrasound

The correct answer is: BMR

Thyroid function is primarily assessed through the measurement of basal metabolic rate (BMR), which reflects the body's metabolic state and energy expenditure at rest. The thyroid gland plays a crucial role in regulating metabolism through the secretion of hormones such as thyroxine (T4) and triiodothyronine (T3). When thyroid hormone levels are abnormal, they can significantly impact BMR. In clinical practice, measuring BMR can indicate whether the thyroid is overactive (hyperthyroidism) or underactive (hypothyroidism). A high BMR may suggest hyperthyroidism, while a low BMR may indicate hypothyroidism. Other tests may be utilized to evaluate thyroid function—such as blood tests measuring TSH (thyroid-stimulating hormone), T3, and T4—but the option indicating BMR directly correlates with thyroid function in terms of metabolic measurement, making it the most relevant choice in this context. The imaging modalities like CT scans, MRIs, and ultrasounds serve different purposes, such as visualizing structural abnormalities within the thyroid gland but do not directly measure its functional capacity.