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Which of the following correctly matches the thyroid-related condition with its associated feature?
(A) Thyroxine (T4) - Increases blood calcium levels
(B) Hypothyroidism - Causes exophthalmic goitre and weight loss
(C) Triiodothyronine (T3) - Regulates basal metabolic rate
(D) Graves’ Disease - Caused by iodine deficiency leading to goitre
- a)Option A and C
- b)Only Option B
- c)Option C
- d)Option C and Option D
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following correctly matches the thyroid-related condition...
Overview of Thyroid-Related Conditions
Thyroid-related conditions are critical in understanding how thyroid hormones affect bodily functions. Let's analyze the options provided.
Option A: Thyroxine (T4) - Increases blood calcium levels
- Incorrect.
Thyroxine (T4) primarily regulates metabolism, not calcium levels. The hormone that increases blood calcium is parathyroid hormone (PTH).
Option B: Hypothyroidism - Causes exophthalmic goitre and weight loss
- Incorrect.
Hypothyroidism is characterized by weight gain, fatigue, and sometimes a goitre, but it does not cause exophthalmos (bulging eyes). Exophthalmos is typically associated with hyperthyroidism, particularly in Graves' disease.
Option C: Triiodothyronine (T3) - Regulates basal metabolic rate
- Correct.
Triiodothyronine (T3) is crucial for regulating the basal metabolic rate (BMR) and overall metabolism. It helps increase oxygen consumption and energy production in cells.
Option D: Graves’ Disease - Caused by iodine deficiency leading to goitre
- Incorrect.
Graves' disease is an autoimmune disorder that leads to hyperthyroidism and is not caused by iodine deficiency. Instead, iodine deficiency typically leads to hypothyroidism and goitre formation.
Conclusion
Based on the analysis, Option C correctly matches the thyroid-related condition with its associated feature. Triiodothyronine (T3) is essential for regulating the basal metabolic rate, making it the only accurate option among those presented. Therefore, the correct answer is Option C.
Thyroid-related conditions are critical in understanding how thyroid hormones affect bodily functions. Let's analyze the options provided.
Option A: Thyroxine (T4) - Increases blood calcium levels
- Incorrect.
Thyroxine (T4) primarily regulates metabolism, not calcium levels. The hormone that increases blood calcium is parathyroid hormone (PTH).
Option B: Hypothyroidism - Causes exophthalmic goitre and weight loss
- Incorrect.
Hypothyroidism is characterized by weight gain, fatigue, and sometimes a goitre, but it does not cause exophthalmos (bulging eyes). Exophthalmos is typically associated with hyperthyroidism, particularly in Graves' disease.
Option C: Triiodothyronine (T3) - Regulates basal metabolic rate
- Correct.
Triiodothyronine (T3) is crucial for regulating the basal metabolic rate (BMR) and overall metabolism. It helps increase oxygen consumption and energy production in cells.
Option D: Graves’ Disease - Caused by iodine deficiency leading to goitre
- Incorrect.
Graves' disease is an autoimmune disorder that leads to hyperthyroidism and is not caused by iodine deficiency. Instead, iodine deficiency typically leads to hypothyroidism and goitre formation.
Conclusion
Based on the analysis, Option C correctly matches the thyroid-related condition with its associated feature. Triiodothyronine (T3) is essential for regulating the basal metabolic rate, making it the only accurate option among those presented. Therefore, the correct answer is Option C.
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Community Answer
Which of the following correctly matches the thyroid-related condition...
Correct Answer: C. Option C is correct.
Explanation:
- Thyroxine (T4): This hormone supports metabolism and regulates the basal metabolic rate but is not directly related to increasing blood calcium levels. (Option A is incorrect.)
- Hypothyroidism: This condition is often associated with symptoms such as goitre (due to iodine deficiency) and stunted growth, not with exophthalmic goitre or weight loss. (Option B is incorrect.)
- Triiodothyronine (T3): This hormone is crucial for regulating the basal metabolic rate and supporting various metabolic processes. (Option C is correct.)
- Graves’ Disease: This is a form of hyperthyroidism characterized by an increased metabolic rate and protrusion of the eyeballs, not by iodine deficiency. (Option D is incorrect.)
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