Thyroid + Endocrine Flashcards
Triiodotryosine (T3) is the predominant hormone stored in the colloid of thyroid follicles.
False, that is THYROXINE (T4)
General weakness, vitiligo and salt craving are commonly seen in Addison’s disease
True
Medullary carcinomas arise from parafollicular C cells that secrete calcitonin.
True
A TSH-secreting pituitary adenoma is associated with high serum concentrations of T3,
T4 and TSH.
false, TSH-secreting pituitary adenoma is associated with high serum concentrations of T3 and T4 but not with high serum concentrations of TSH.
Pheochromocytomas usually demonstrate signs and symptoms of increased
sympathetic stimulation
True
Pheochromocytomas of the adrenal cortex may result in malignant hypertension
False, the Adrenal medulla
Graves disease results from autoimmune antibodies stimulating receptor.
True
Vitamin D deficiency can be associated with the development of autoimmune diseases,
type II diabetes, hypertension, and cancer.
True
Primary tuberculosis may involve the adrenal glands with resultant inflammation
(tuberculous adrenalitis) and loss of adrenal-cortical function (adrenal insufficiency).
True
BRAF mutations are common in papillary carcinomas.
True
Primary hyperparathyroidism is an important cause of osteoporosis
True
Buffalo hump, truncal obesity and pigmentation of the skin are the principle features of
Cushing Syndrome
True
Hypothyroidism can be associated with peripheral fungal infections and an enlarged
edematous tongue
True
Hypothyroidism can be associated with peripheral fungal infections and an enlarged
edematous tongue
True
Cushing syndrome is mainly caused by adrenal carcinomas and adenomas secreting
ACTH.
False, Exogenous corticosteroid exposure and is iatrogenic Cushing’s syndrome
