34 Questions
Which term refers to the accumulation of mucopolysaccharides in subcutaneous and other interstitial tissues?
Myxedema
What are the presenting clinical manifestations in adults with hypothyroidism primarily related to?
Decrease in metabolism
What is a characteristic clinical manifestation in women with hypothyroidism?
Changes in menstrual cycle
What is a consequence of severe hypothyroidism?
Elevated serum cholesterol level
What is myxedema coma?
A rare life-threatening condition of severe hypothyroidism
What is a characteristic of myxedema coma?
Hypothermia
What is a potential consequence of myxedema coma?
Hyponatremia
What is the mortality rate despite treatment for myxedema coma?
40%
What may precipitate myxedema coma?
Infection
What is a potential consequence of severe hypothyroidism related to the heart?
Bradycardia
What may patients with unrecognized hypothyroidism undergoing surgery be at increased risk for?
Intraoperative hypotension
What is a potential consequence of severe hypothyroidism related to the respiratory system?
Inadequate ventilation and sleep apnea
What is the most common cause of hypothyroidism in adults?
Autoimmune thyroiditis (Hashimoto disease)
What is myxedema?
Severe deficiency of thyroid hormone
What is the most common type of hypothyroidism?
Primary or thyroidal hypothyroidism
What is the term for hypothyroidism caused by a pituitary disorder?
Secondary hypothyroidism
What is the term for hypothyroidism caused by a disorder of the hypothalamus?
Central hypothyroidism
What is the effect of thyroid deficiency on body functions?
Affects all body functions
What is the recommended testing for all patients who receive radiation therapy to the neck?
Thyroid function testing
What may follow symptoms of hyperthyroidism?
Symptoms of hypothyroidism and myxedema
What is the term for hypothyroidism resulting from inadequate secretion of TSH due to decreased stimulation of TRH?
Tertiary hypothyroidism
What is the term for hypothyroidism resulting from failure of the pituitary gland, the hypothalamus, or both?
Central hypothyroidism
What is the term for hypothyroidism resulting from entirely a pituitary disorder?
Secondary hypothyroidism
What is the term for hypothyroidism resulting from thyroid gland dysfunction?
Primary or thyroidal hypothyroidism
What is the term for hypothyroidism caused by a disorder of the hypothalamus?
Tertiary hypothyroidism
What is the most common cause of hypothyroidism in adults?
Autoimmune thyroiditis (Hashimoto disease)
What is the term for hypothyroidism resulting from entirely a pituitary disorder?
Secondary hypothyroidism
What is the term for hypothyroidism resulting from failure of the pituitary gland, the hypothalamus, or both?
Central hypothyroidism
What is the term for hypothyroidism resulting from thyroid gland dysfunction?
Thyroidal hypothyroidism
Which of the following is a characteristic clinical manifestation of severe hypothyroidism?
Thickened skin due to accumulation of mucopolysaccharides
What is myxedema coma primarily characterized by?
Hypothermia and unconsciousness
What is a potential consequence of myxedema coma related to the respiratory system?
Hypoventilation and carbon dioxide retention
What is the characteristic effect of thyroid deficiency on body temperature in severe hypothyroidism?
Subnormal body temperature
What is the most common cause of myxedema coma?
Undiagnosed hypothyroidism
Test your knowledge on hypothyroidism with this quiz. Learn about the causes, symptoms, and treatment options for this condition that results from low thyroid hormone levels.
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