Patho 3- Pituitary + Thyroid Diseases

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Which of the following is a symptom of ADH deficiency?

Excessive urination (correct)

Nausea and vomiting

Headache and confusion

Weakness and fatigue

What is the consequence of long-term suppression of the pituitary by exogenous hormone?

Pituitary and target organ shrinkage (correct)

Improved pituitary function

Increased pituitary hormone production

Enhanced target organ function

Q1: What is the primary pathway regulating pituitary hormone secretion?

Exogenous hormone

CRH

Feedback loop (correct)

ACTH

Which hormone regulates the secretion of thyroid hormones?

TSH Signup and view all the answers

Q2: What is the most common cause of pituitary adenoma-induced pituitary diseases?

Pituitary adenoma Signup and view all the answers

What is the main function of thyroid hormones?

Increase metabolic rate Signup and view all the answers

Q3: What type of mutation is most common in pituitary adenoma?

G-protein mutations Signup and view all the answers

Q4: What is the classification of pituitary adenoma based on?

Hormone-producing cells Signup and view all the answers

Q5: Which type of pituitary adenoma is the most common?

Lactotroph adenoma Signup and view all the answers

What is the expected lab result for hyperthyroidism?

Increased T3 and T4 levels Signup and view all the answers

Q6: What are the symptoms associated with acromegaly?

Muscle weakness Signup and view all the answers

Which gland is considered the true endocrine gland in the pituitary?

Anterior pituitary Signup and view all the answers

Which two neurohormones are stored and released by the posterior pituitary?

Oxytocin and vasopressin Signup and view all the answers

Which hormone is responsible for stimulating the thyroid gland?

Thyroid stimulating hormone (TSH) Signup and view all the answers

Which hormone is produced by the lactotrophs in the pituitary?

Prolactin (PRL) Signup and view all the answers

Which hormone is responsible for stimulating the adrenal glands?

Adrenocorticotropic hormone (ACTH) Signup and view all the answers

Which hormone is responsible for promoting growth in the body?

Growth hormone (GH) Signup and view all the answers

Which two hormones are produced by the gonadotrophs in the pituitary?

Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) Signup and view all the answers

Which is the most common cause of hyperthyroidism?

Thyroid-stimulating immunoglobulin (TSI) Signup and view all the answers

What is the gender distribution of hyperthyroidism cases in the US?

Women are more affected than men Signup and view all the answers

At what age range does hyperthyroidism typically peak?

20-40 years Signup and view all the answers

What is the most common cause of hypothyroidism in areas without iodine deficiency?

Autoimmune response against thyroid antigens Signup and view all the answers

What is the gender distribution of hypothyroidism cases?

Women are more affected than men Signup and view all the answers

At what age range does Hashimoto thyroiditis typically peak?

40-60 years Signup and view all the answers

What is the most common cause of hypoparathyroidism?

Thyroid or neck surgery Signup and view all the answers

What are the symptoms of hypoparathyroidism?

Neuromuscular irritability, tingling lips/fingers/toes, muscle spasms Signup and view all the answers

What are the two genetic aberrations associated with hyperparathyroidism?

Cyclin D1 rearrangement and MEN1 mutation Signup and view all the answers