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Questions and Answers
What is the most common cause of hypothyroidism in adults?
What is the term for hypothyroidism resulting from failure of the pituitary gland, the hypothalamus, or both?
What is the severe form of hypothyroidism known as?
What is the recommended testing for all patients who receive radiation therapy to the neck?
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What is the term for hypothyroidism caused by a disorder of the hypothalamus resulting in inadequate secretion of TSH due to decreased stimulation of TRH?
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What is the most common type of hypothyroidism among patients?
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What is the term for hypothyroidism caused entirely by a pituitary disorder?
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What is the term for hypothyroidism caused by a disorder of the hypothalamus resulting in inadequate secretion of TSH due to decreased stimulation of TRH?
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What is the term for hypothyroidism caused entirely by a pituitary disorder?
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What is the term for hypothyroidism resulting from failure of the pituitary gland, the hypothalamus, or both?
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What is the severe form of hypothyroidism known as?
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What is the recommended testing for all patients who receive radiation therapy to the neck?
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Which of the following is a clinical manifestation of severe hypothyroidism?
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What is myxedema coma?
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What is the term used to describe the accumulation of mucopolysaccharides in subcutaneous and other interstitial tissues?
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What is the mortality rate for myxedema coma despite treatment?
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Which gender is myxedema coma most likely to affect?
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What cardiovascular-related manifestations are associated with hypothyroidism?
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What is a characteristic change in the skin due to severe hypothyroidism?
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What is the effect of severe hypothyroidism on body temperature?
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What is a potential cognitive change characteristic of advanced hypothyroidism?
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What is a potential respiratory complication associated with severe hypothyroidism?
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What is the effect of severe hypothyroidism on serum cholesterol level?
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What is the term used to describe the decrease in metabolism resulting from the decrease in thyroid function?
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Study Notes
Causes and Types of Hypothyroidism
- The most common cause of hypothyroidism in adults is autoimmune thyroiditis (Hashimoto's disease).
- Central hypothyroidism is the term for hypothyroidism resulting from failure of the pituitary gland, the hypothalamus, or both.
- Secondary hypothyroidism is the term for hypothyroidism caused entirely by a pituitary disorder.
- Tertiary hypothyroidism is the term for hypothyroidism caused by a disorder of the hypothalamus resulting in inadequate secretion of TSH due to decreased stimulation of TRH.
Severe Form of Hypothyroidism
- Myxedema coma is the severe form of hypothyroidism known as.
- Myxedema coma is a life-threatening condition with a mortality rate of 20-40% despite treatment.
- Myxedema is the term used to describe the accumulation of mucopolysaccharides in subcutaneous and other interstitial tissues.
Clinical Manifestations of Hypothyroidism
- Cardiovascular-related manifestations associated with hypothyroidism include bradycardia, decreased cardiac output, and increased peripheral vascular resistance.
- A characteristic change in the skin due to severe hypothyroidism is dry, thick, and scaly skin.
- The effect of severe hypothyroidism on body temperature is hypothermia.
- A potential cognitive change characteristic of advanced hypothyroidism is dementia.
- A potential respiratory complication associated with severe hypothyroidism is respiratory failure.
- The effect of severe hypothyroidism on serum cholesterol level is elevated levels.
- The term used to describe the decrease in metabolism resulting from the decrease in thyroid function is hypometabolism.
Testing and Risk Factors
- The recommended testing for all patients who receive radiation therapy to the neck is regular thyroid function tests.
- Women are more likely to be affected by myxedema coma than men.
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Description
Test your knowledge about hypothyroidism with this quiz. Learn about the causes, symptoms, and treatments for this condition that affects the thyroid gland and can impact various body functions.
